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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Macciocchi, Grant | SP | Free Agent | 22 | 06/26/1996 | Unknown | USA | Right | Right | 6' 3" | 185 lbs | - |
| MacDonald, Nick | SP | Free Agent | 20 | 06/11/1998 | Pembroke Pines | USA | Right | Right | 6' 2" | 155 lbs | - |
| Mace, Tommy | SP | Free Agent | 20 | 11/11/1998 | Tampa | USA | Right | Right | 6' 6" | 200 lbs | - |
| Machado, Dixon | 2B | Toronto Blue Jays | 27 | 02/22/1992 | San Cristóbal | VEN | Right | Right | 6' 1" | 190 lbs | $545,000 |
| Machado, Manny | 3B | Seattle Mariners | 26 | 07/06/1992 | Miami | USA | Right | Right | 6' 3" | 215 lbs | $22,500,000 |
| Machamer, Chris | RP | Free Agent | 21 | 06/04/1997 | Massillon | USA | Right | Right | 6' 2" | 200 lbs | - |
| Machin, Vimael | 3B | Free Agent | 25 | 09/25/1993 | San Lorenzo | PUR | Left | Right | 5' 10" | 185 lbs | - |
| Machorro, Carlos | RP | Free Agent | 22 | 09/20/1996 | Monterrey | MEX | Right | Right | 6' 2" | 175 lbs | - |
| Maciejewski, Josh | RP | Free Agent | 23 | 08/14/1995 | Morrisville | USA | Right | Left | 6' 3" | 175 lbs | - |
| MacIver, Willie | 3B | Free Agent | 21 | 10/10/1997 | Pleasant Hill | USA | Right | Right | 6' 1" | 200 lbs | - |
| Mack, Joe | C | Free Agent | 16 | 12/27/2002 | Williamsville | USA | Left | Right | 6' 0" | 185 lbs | - |
| MacNamee, Elijah | RF | Free Agent | 22 | 09/02/1996 | Tunkhannock | USA | Right | Right | 6' 4" | 210 lbs | - |
| Madden, Charlie | C | Free Agent | 23 | 09/01/1995 | Atlanta | USA | Right | Right | 6' 3" | 205 lbs | - |
| Madden, Ryan | SP | Free Agent | 22 | 10/12/1996 | Westminster | USA | Switch | Right | 6' 2" | 180 lbs | - |
| Maddox, Will | 2B | Free Agent | 26 | 06/11/1992 | Gainesville | USA | Left | Right | 5' 10" | 180 lbs | - |
| Madera, Chris | LF | Free Agent | 26 | 08/23/1992 | Santo Domingo | DOM | Right | Right | 5' 10" | 190 lbs | - |
| Madera, Christopher Miguel | RP | Free Agent | 22 | 10/01/1996 | La Vega | DOM | Right | Right | 6' 2" | 185 lbs | - |
| Madson, Ryan | RP | Free Agent | 38 | 08/28/1980 | Long Beach | USA | Left | Right | 6' 6" | 235 lbs | - |
| Maeda, Kenta | SP | Cleveland Indians | 31 | 04/11/1988 | Osaka | JPN | Right | Right | 6' 1" | 175 lbs | $3,000,000 |
| Magdaniel, Ronald | SP | Free Agent | 22 | 11/15/1996 | Maracaibo | VEN | Right | Right | 6' 1" | 170 lbs | - |
| Magliaro, Marc | RP | Free Agent | 29 | 02/17/1990 | Monroe | USA | Right | Right | 5' 11" | 175 lbs | - |
| Magnifico, Damien | RP | Free Agent | 27 | 05/24/1991 | Mesquite | USA | Right | Right | 6' 1" | 205 lbs | - |
| Mahle, Greg | RP | Free Agent | 26 | 04/17/1993 | Los Alamitos | USA | Left | Left | 6' 2" | 230 lbs | - |
| Mahle, Tyler | SP | Pittsburgh Pirates | 24 | 09/29/1994 | Newport Beach | USA | Right | Right | 6' 3" | 210 lbs | $545,000 |
| Mahoney, Kolton | RP | Free Agent | 26 | 05/20/1992 | Ogden | USA | Right | Right | 6' 1" | 195 lbs | - |
| Mahtook, Mikie | LF | Los Angeles Angels | 29 | 11/30/1989 | Lafayette | USA | Right | Right | 6' 1" | 215 lbs | $545,000 |
| Maile, Luke | C | Miami Marlins | 28 | 02/06/1991 | Crestview Hills | USA | Right | Right | 6' 3" | 225 lbs | $545,000 |
| Majkowski, Bo | LF | Free Agent | 20 | 07/05/1998 | Atlanta | USA | Left | Right | 5' 11" | 195 lbs | - |
| Makita, Kazuhisa | RP | Colorado Rockies | 34 | 11/10/1984 | Yaizu | JPN | Right | Right | 5' 10" | 180 lbs | $1,900,000 |
| Malcom, John | 1B | Free Agent | 19 | 01/04/2000 | West Bloomfield Township | USA | Left | Left | 6' 4" | 220 lbs | - |
| Maldonado, Aidan | SP | Free Agent | 18 | 05/26/2000 | Rosemount | USA | Right | Right | 6' 0" | 170 lbs | - |
| Maldonado, David | SS | Free Agent | 21 | 05/02/1997 | Winchester | USA | Right | Right | 5' 8" | 160 lbs | - |
| Maldonado, Ismael | RP | Free Agent | 23 | 09/28/1995 | San Cristóbal | DOM | Right | Right | 6' 4" | 170 lbs | - |
| Maldonado, Martin | C | Oakland Athletics | 32 | 08/16/1986 | Naguabo | PUR | Right | Right | 6' 0" | 230 lbs | $545,000 |
| Maldonado, Nelson | 3B | Free Agent | 22 | 08/13/1996 | Tampa | USA | Right | Right | 5' 10" | 190 lbs | - |
| Maldonado, Nick | SP | Free Agent | 18 | 06/12/2000 | West Orange | USA | Right | Right | 6' 2" | 195 lbs | - |
| Maldonado, Omar | RP | Free Agent | 23 | 07/22/1995 | Detroit | USA | Right | Right | 6' 5" | 240 lbs | - |
| Maley, Alec | RP | Free Agent | 23 | 08/15/1995 | Round Rock | USA | Right | Right | 6' 1" | 185 lbs | - |
| Malis, Zach | 1B | Free Agent | 22 | 11/07/1996 | Tucson | USA | Left | Right | 6' 4" | 190 lbs | - |
| Malloy, Justyn-Henry | 3B | Free Agent | 19 | 02/19/2000 | Bergenfield | USA | Right | Right | 6' 0" | 200 lbs | - |
| Malmin, Jon | RP | Free Agent | 24 | 09/02/1994 | Troy | USA | Right | Left | 6' 1" | 170 lbs | - |
| Malone, Brennan | SP | Free Agent | 18 | 09/08/2000 | Matthews | USA | Right | Right | 6' 4" | 205 lbs | - |
| Malone, Marvin | LF | Free Agent | 23 | 05/02/1995 | Douglas | USA | Left | Right | 6' 3" | 205 lbs | - |
| Malone, Tyler | SS | Free Agent | 21 | 11/04/1997 | Roseville | USA | Left | Right | 5' 10" | 185 lbs | - |
| Malott, John | CF | Free Agent | 22 | 06/10/1996 | Milford | USA | Right | Right | 6' 2" | 185 lbs | - |
| Manaea, Sean | SP | Seattle Mariners | 27 | 02/01/1992 | Terre Haute | USA | Right | Left | 6' 5" | 245 lbs | $5,750,000 |
| Mancini, Trey | LF | Houston Astros | 27 | 03/18/1992 | Winter Haven | USA | Right | Right | 6' 4" | 215 lbs | $545,000 |
| Mang, Jared | SS | Free Agent | 22 | 10/30/1996 | Los Alamos | USA | Right | Right | 5' 9" | 180 lbs | - |
| Mangieri, Luke | 1B | Free Agent | 22 | 10/15/1996 | Peoria | USA | Left | Right | 6' 3" | 215 lbs | - |
| Mangrum, Steve | 3B | Free Agent | 22 | 12/14/1996 | Charlottesville | USA | Right | Right | 6' 0" | 205 lbs | - |
| Mangum, Jake | LF | Free Agent | 23 | 03/08/1996 | Pearl | USA | Switch | Left | 6' 0" | 185 lbs | - |
| Mann, Luke | SP | Free Agent | 19 | 04/13/2000 | St. Louis | USA | Left | Right | 6' 2" | 200 lbs | - |
| Mann, Steve | CF | Free Agent | 20 | 09/13/1998 | Farmington Hills | USA | Right | Right | 6' 0" | 195 lbs | - |
| Mann-Fix, Tanner | CF | Free Agent | 21 | 10/18/1997 | Charlotte | USA | Left | Left | 6' 1" | 180 lbs | - |
| Manning, Austin | SP | Free Agent | 21 | 09/07/1997 | Oakdale | USA | Left | Left | 5' 11" | 170 lbs | - |
| Manoah, Alek | SP | Free Agent | 21 | 01/09/1998 | Homestead | USA | Right | Right | 6' 6" | 245 lbs | - |
| Manoah, Erik | RP | Free Agent | 23 | 12/22/1995 | Miami | USA | Right | Right | 6' 2" | 190 lbs | - |
| Manon, Farlyn | C | Free Agent | 22 | 10/22/1996 | Sabana Grande de Palenque | DOM | Right | Right | 5' 9" | 180 lbs | - |
| Manous, Connor | SP | Free Agent | 21 | 12/31/1997 | Munster | USA | Right | Right | 5' 11" | 185 lbs | - |
| Mantiply, Joe | RP | Free Agent | 28 | 03/01/1991 | Danville | USA | Right | Left | 6' 4" | 215 lbs | - |
| Manwaring, Dylan | C | Free Agent | 24 | 09/27/1994 | Horseheads | USA | Right | Right | 6' 3" | 205 lbs | - |
| Manzanero, Pabel | 1B | Free Agent | 23 | 01/30/1996 | Palo Negro | VEN | Right | Right | 6' 3" | 240 lbs | - |
| Manzanillo, Maiker | RP | Free Agent | 22 | 10/14/1996 | Santo Domingo | DOM | Right | Right | 6' 2" | 190 lbs | - |
| Manzueta, Oneill | LF | Free Agent | 18 | 02/07/2001 | Unknown | DOM | Right | Right | 6' 0" | 200 lbs | - |
| Marcano, Jose | SS | Free Agent | 20 | 02/27/1999 | Humacao | PUR | Right | Right | 6' 0" | 175 lbs | - |
| Marchese, Henry | LF | Free Agent | 20 | 10/23/1998 | Vernon Hills | USA | Left | Right | 6' 3" | 190 lbs | - |
| Marciano, Joey | RP | Free Agent | 24 | 01/11/1995 | Carbondale | USA | Left | Left | 6' 5" | 250 lbs | - |
| Margot, Manuel | CF | New York Yankees | 24 | 09/28/1994 | San Cristóbal | DOM | Right | Right | 5' 11" | 180 lbs | $556,900 |
| Maria, Eric | C | Free Agent | 24 | 06/30/1994 | San Pedro de Macorís | DOM | Right | Right | 6' 0" | 180 lbs | - |
| Marinaccio, Ron | RP | Free Agent | 23 | 07/01/1995 | Toms River | USA | Right | Right | 6' 2" | 205 lbs | - |
| Marinconz, Kyle | 2B | Free Agent | 22 | 05/24/1996 | San Jose | USA | Left | Right | 5' 10" | 185 lbs | - |
| Maris, Blaise | C | Free Agent | 22 | 06/23/1996 | Gainesville | USA | Switch | Right | 5' 11" | 185 lbs | - |
| Maris, Peter | 2B | Free Agent | 25 | 09/16/1993 | Philadelphia | USA | Left | Right | 5' 10" | 175 lbs | - |
| Mariscal, Chris | 2B | Free Agent | 26 | 04/26/1993 | Fresno | USA | Right | Right | 5' 10" | 170 lbs | - |
| Marisnick, Jake | CF | Detroit Tigers | 28 | 03/30/1991 | Riverside | USA | Right | Right | 6' 4" | 220 lbs | $2,100,000 |
| Mark, Tyler | RP | Free Agent | 24 | 10/18/1994 | Los Angeles | USA | Right | Right | 6' 1" | 195 lbs | - |
| Markakis, Nick | RF | Los Angeles Angels | 35 | 11/17/1983 | Glen Cove | USA | Left | Left | 6' 1" | 210 lbs | $5,500,000 |
| Markey, Brad | RP | Free Agent | 27 | 03/03/1992 | Baltimore | USA | Right | Right | 5' 10" | 185 lbs | - |
| Markham, Kevin | CF | Free Agent | 25 | 04/14/1994 | Willis | USA | Left | Right | 6' 0" | 195 lbs | - |
| Marklund, Brandon | RP | Free Agent | 22 | 06/10/1996 | North Vancouver | CAN | Right | Right | 6' 2" | 185 lbs | - |
| Marlette, Tyler | C | Free Agent | 26 | 01/23/1993 | Oviedo | USA | Right | Right | 5' 11" | 195 lbs | - |
| Marman, Kyle | SP | Free Agent | 22 | 03/03/1997 | Cincinnati | USA | Right | Right | 6' 3" | 225 lbs | - |
| Marnon, Kevin | RP | Free Agent | 25 | 03/16/1994 | Shelby | USA | Right | Left | 6' 7" | 245 lbs | - |
| Marozas, Austin | SP | Free Agent | 20 | 12/13/1998 | Plainfield | USA | Right | Right | 6' 7" | 230 lbs | - |
| Marquez, German | SP | San Diego Padres | 24 | 02/22/1995 | Ciudad Guayana | VEN | Right | Right | 6' 1" | 185 lbs | $545,000 |
| Marquez, Orlando | C | Free Agent | 23 | 03/12/1996 | Valencia | VEN | Right | Right | 5' 10" | 180 lbs | - |
| Marquina, Yoiber | SP | Free Agent | 23 | 02/03/1996 | Barquisimeto | VEN | Right | Right | 5' 10" | 190 lbs | - |
| Marsh, Alec | SP | Free Agent | 20 | 05/14/1998 | Milwaukee | USA | Right | Right | 6' 2" | 220 lbs | - |
| Marshall, Shane | C | Free Agent | 19 | 03/15/2000 | Naples | USA | Right | Right | 6' 0" | 195 lbs | - |
| Marsili, Matt | RP | Free Agent | 22 | 10/19/1996 | Apalachin | USA | Right | Right | 6' 0" | 190 lbs | - |
| Marsonek, Brandon | RP | Free Agent | 24 | 06/12/1994 | Pittsburgh | USA | Left | Left | 5' 11" | 185 lbs | - |
| Marte, Christopher | SP | Free Agent | 22 | 07/09/1996 | Santo Domingo | DOM | Right | Right | 6' 1" | 190 lbs | - |
| Marte, Junior | RP | Free Agent | 23 | 06/06/1995 | Puerto Plata | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Marte, Ketel | SS | Philadelphia Phillies | 25 | 10/12/1993 | Nizao | DOM | Switch | Right | 6' 1" | 165 lbs | $2,000,000 |
| Marte, Starling | CF | Detroit Tigers | 30 | 10/09/1988 | Santo Domingo | DOM | Right | Right | 6' 1" | 190 lbs | $10,000,000 |
| Marte, Yunior | RP | Free Agent | 24 | 02/02/1995 | Santo Domingo | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Martellini, Gian | C | Free Agent | 22 | 01/20/1997 | Johnston | USA | Right | Right | 6' 1" | 210 lbs | - |
| Martin, Austin | SS | Free Agent | 20 | 03/23/1999 | Orange Park | USA | Right | Right | 6' 0" | 170 lbs | - |
| Martin, Casey | SS | Free Agent | 20 | 04/07/1999 | Lonoke | USA | Right | Right | 5' 11" | 165 lbs | - |
| Martin, Cody R. | RP | Free Agent | 23 | 03/27/1996 | Valrico | USA | Right | Right | 6' 2" | 165 lbs | - |
| Martin, Davis | SP | Free Agent | 22 | 02/04/1997 | San Angelo | USA | Right | Right | 6' 2" | 220 lbs | - |
| Martin, Hunter | RP | Free Agent | 24 | 12/14/1994 | Murfreesboro | USA | Right | Right | 6' 1" | 195 lbs | - |
| Martin, Josh | RP | Free Agent | 29 | 12/30/1989 | Enterprise | USA | Right | Right | 6' 5" | 230 lbs | - |
| Martin, Kyle R. | 1B | Free Agent | 26 | 11/13/1992 | Simpsonville | USA | Left | Left | 6' 2" | 240 lbs | - |
| Martin, Leonys | CF | Philadelphia Phillies | 31 | 03/06/1988 | Santa Clara | CUB | Left | Right | 6' 2" | 200 lbs | $14,375,000 |
| Martin, Robby | LF | Free Agent | 19 | 08/17/1999 | Tampa | USA | Left | Right | 6' 3" | 185 lbs | - |
| Martin, Rudy | CF | Free Agent | 23 | 01/31/1996 | Olive Branch | USA | Left | Left | 5' 7" | 155 lbs | - |
| Martin, Russell | C | Philadelphia Phillies | 36 | 02/15/1983 | Toronto | CAN | Right | Right | 5' 10" | 205 lbs | $20,000,000 |
| Martin, Vincent | 3B | Free Agent | 19 | 08/26/1999 | Chandler | USA | Right | Right | 6' 0" | 200 lbs | - |
| Martin, Zack | SP | Free Agent | 21 | 11/05/1997 | Plainfield | USA | Right | Right | 6' 6" | 240 lbs | - |
| Martinez, Alexander N. | SP | Free Agent | 22 | 12/28/1996 | San Pedro de Macorís | DOM | Right | Right | 6' 1" | 165 lbs | - |
| Martinez, Algenis | RP | Free Agent | 25 | 09/12/1993 | Santiago | DOM | Right | Right | 6' 1" | 185 lbs | - |
| Martinez, Angel Joel | SP | Free Agent | 22 | 11/14/1996 | Santo Domingo | DOM | Left | Left | 6' 3" | 200 lbs | - |
| Martinez, Carlos | SP | Los Angeles Angels | 27 | 09/21/1991 | Puerto Plata | DOM | Right | Right | 6' 0" | 190 lbs | $11,500,000 |
| Martinez, Carlos Mario | C | Free Agent | 23 | 05/02/1995 | Cartagena | COL | Right | Right | 5' 11" | 205 lbs | - |
| Martinez, Denny | RP | Free Agent | 22 | 11/01/1996 | Ciudad Bolívar | VEN | Switch | Left | 6' 0" | 155 lbs | - |
| Martinez, Edwin | RP | Free Agent | 23 | 07/31/1995 | Unknown | DOM | Right | Right | 6' 6" | 240 lbs | - |
| Martinez, Erik | SP | Free Agent | 23 | 03/21/1996 | West Covina | USA | Right | Right | 5' 11" | 195 lbs | - |
| Martinez, Hector Luis | 2B | Free Agent | 22 | 11/01/1996 | Baní | DOM | Right | Right | 5' 11" | 175 lbs | - |
| Martinez, J.D. | RF | Chicago White Sox | 31 | 08/21/1987 | Miami | USA | Right | Right | 6' 3" | 220 lbs | $23,750,000 |
| Martinez, Jorge Esteban | C | Free Agent | 22 | 07/23/1996 | Barranquilla | COL | Right | Right | 5' 10" | 190 lbs | - |
| Martinez, Jorge L. | SP | Free Agent | 23 | 01/05/1996 | Panama | PAN | Left | Left | 5' 11" | 170 lbs | - |
| Martinez, Jose Alberto | 1B | St. Louis Cardinals | 30 | 07/25/1988 | La Guaira | VEN | Right | Right | 6' 6" | 215 lbs | $545,000 |
| Martinez, Jose Alexander | 2B | Free Agent | 22 | 08/15/1996 | Machiques | VEN | Switch | Right | 5' 10" | 150 lbs | - |
| Martinez, Jose Manuel | RP | Free Agent | 22 | 10/29/1996 | San Felipe | VEN | Right | Right | 6' 2" | 190 lbs | - |
| Martinez, Joshua | CF | Free Agent | 20 | 10/13/1998 | Caguas | PUR | Left | Left | 6' 1" | 160 lbs | - |
| Martinez, Juan Alberto | SP | Free Agent | 23 | 02/14/1996 | Santo Domingo | DOM | Right | Right | 6' 1" | 185 lbs | - |
| Martinez, Juan L. | RP | Free Agent | 26 | 07/15/1992 | Puerto Plata | DOM | Left | Left | 6' 2" | 175 lbs | - |
| Martinez, Marcelo | RP | Free Agent | 22 | 08/10/1996 | Reynosa | MEX | Left | Left | 6' 2" | 190 lbs | - |
| Martinez, Marco | SS | Free Agent | 19 | 12/15/1999 | La Puente | USA | Right | Right | 6' 1" | 185 lbs | - |
| Martinez, Nerluis | C | Free Agent | 23 | 04/10/1996 | Unknown | VEN | Left | Right | 6' 2" | 175 lbs | - |
| Martinez, Seth | CL | Free Agent | 24 | 08/29/1994 | Peoria | USA | Right | Right | 6' 2" | 200 lbs | - |
| Martinez, Shane | SS | Free Agent | 21 | 09/05/1997 | Riverside | USA | Right | Right | 6' 1" | 190 lbs | - |
| Martinez, Valentin | 1B | Free Agent | 22 | 09/21/1996 | Toluviejo | COL | Right | Right | 6' 0" | 175 lbs | - |
| Martinez, Vinicio | RF | Free Agent | 20 | 11/24/1998 | Unknown | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Martorano, Brandon | C | Free Agent | 21 | 01/06/1998 | Marlboro | USA | Right | Right | 6' 2" | 190 lbs | - |
| Marusak, Max | CF | Free Agent | 19 | 10/27/1999 | Amarillo | USA | Right | Right | 6' 0" | 175 lbs | - |
| Marvel, James | SP | Free Agent | 25 | 09/17/1993 | Moraga | USA | Right | Right | 6' 4" | 195 lbs | - |
| Marzi, Anthony | RP | Free Agent | 26 | 11/27/1992 | Unknown | USA | Left | Left | 6' 1" | 205 lbs | - |
| Marzilli, Evan | CF | Free Agent | 28 | 03/13/1991 | Cranston | USA | Left | Left | 6' 0" | 185 lbs | - |
| Mason, Ryan | RP | Free Agent | 24 | 10/04/1994 | Placerville | USA | Right | Right | 6' 6" | 215 lbs | - |
| Massey, Ross | SP | Free Agent | 22 | 08/23/1996 | Baton Rouge | USA | Left | Left | 6' 1" | 185 lbs | - |
| Masterman, Cameron | SS | Free Agent | 19 | 05/05/1999 | Prospect | USA | Right | Right | 6' 2" | 205 lbs | - |
| Masters, Cody | CF | Free Agent | 20 | 01/06/1999 | Coppell | USA | Switch | Left | 6' 2" | 195 lbs | - |
| Mastrobuoni, Marcus | C | Free Agent | 25 | 11/28/1993 | Livermore | USA | Right | Right | 5' 11" | 205 lbs | - |
| Mateo, Alejandro | RP | Free Agent | 25 | 01/18/1994 | Hialeah | USA | Right | Right | 6' 2" | 200 lbs | - |
| Mateo, Jhonny | RP | Free Agent | 24 | 08/19/1994 | San Cristóbal | DOM | Right | Right | 6' 3" | 170 lbs | - |
| Mateo, Welfrin | 3B | Free Agent | 23 | 09/08/1995 | Santo Domingo | DOM | Right | Right | 5' 10" | 170 lbs | - |
| Matheny, Caiden | SS | Free Agent | 18 | 06/02/2000 | Murrieta | USA | Right | Right | 6' 2" | 195 lbs | - |
| Matheny, Shane | SS | Free Agent | 22 | 06/05/1996 | Bremerton | USA | Left | Right | 6' 1" | 205 lbs | - |
| Mathews, Simon | RP | Free Agent | 23 | 09/24/1995 | Hartford | USA | Right | Right | 6' 2" | 180 lbs | - |
| Mathewson, Chris | RP | Free Agent | 23 | 05/26/1995 | Fontana | USA | Left | Right | 6' 1" | 200 lbs | - |
| Mathis, Brock | C | Free Agent | 20 | 05/10/1998 | Fairfield | USA | Right | Right | 6' 1" | 200 lbs | - |
| Maton, Jacob | SP | Free Agent | 19 | 09/22/1999 | Chatham | USA | Right | Right | 6' 2" | 175 lbs | - |
| Maton, Phil | RP | Los Angeles Dodgers | 26 | 03/25/1993 | Chatham | USA | Right | Right | 6' 3" | 220 lbs | $545,000 |
| Matos, Ian | RF | Free Agent | 19 | 07/22/1999 | Toa Alta | PUR | Right | Right | 6' 1" | 180 lbs | - |
| Matos, Malvin | LF | Free Agent | 22 | 08/19/1996 | Unknown | VEN | Right | Right | 6' 3" | 170 lbs | - |
| Matson, Zach | RP | Free Agent | 23 | 10/24/1995 | Neosho | USA | Left | Left | 6' 3" | 225 lbs | - |
| Matta, Erick | C | Free Agent | 25 | 04/09/1994 | San Juan | PUR | Switch | Right | 5' 8" | 175 lbs | - |
| Matter, Michael | SP | Free Agent | 20 | 11/20/1998 | Ft. Myers | USA | Right | Right | 6' 0" | 175 lbs | - |
| Matthews, D'Quan | CF | Free Agent | 22 | 04/15/1997 | Orlando | USA | Right | Right | 6' 0" | 170 lbs | - |
| Matthews, Gabe | 1B | Free Agent | 20 | 11/24/1998 | Salem | USA | Left | Right | 6' 2" | 220 lbs | - |
| Matthews, Zackery | SP | Free Agent | 20 | 01/31/1999 | Lincoln | USA | Switch | Right | 6' 1" | 210 lbs | - |
| Matthiessen, Will | RP | Free Agent | 21 | 01/09/1998 | West Linn | USA | Right | Right | 6' 5" | 205 lbs | - |
| Mattix, Logan | CF | Free Agent | 22 | 05/16/1996 | Loganville | USA | Right | Right | 6' 0" | 185 lbs | - |
| Mattson, Isaac | RP | Free Agent | 23 | 07/14/1995 | Erie | USA | Right | Right | 6' 3" | 205 lbs | - |
| Matz, Steven | SP | Pittsburgh Pirates | 27 | 05/29/1991 | Stony Brook | USA | Right | Left | 6' 2" | 200 lbs | $3,700,000 |
| Mauch, Ryan | SP | Free Agent | 21 | 07/08/1997 | West Covina | USA | Left | Left | 6' 4" | 185 lbs | - |
| Mauricio, Alex | RP | Free Agent | 22 | 09/24/1996 | Richmond | USA | Right | Right | 6' 0" | 180 lbs | - |
| May, Jacob | CF | Free Agent | 27 | 01/23/1992 | Liberty Center | USA | Switch | Right | 5' 10" | 180 lbs | - |
| May, Trevor | RP | Pittsburgh Pirates | 29 | 09/23/1989 | Kelso | USA | Right | Right | 6' 5" | 240 lbs | $750,000 |
| Maybin, Cameron | CF | Boston Red Sox | 32 | 04/04/1987 | Asheville | USA | Right | Right | 6' 3" | 215 lbs | $1,800,000 |
| Maye, Cole | SP | Free Agent | 22 | 04/28/1997 | Huntersville | USA | Left | Left | 6' 7" | 220 lbs | - |
| Mayer, Danny | RF | Free Agent | 23 | 06/25/1995 | Downers Grove | USA | Right | Right | 6' 5" | 245 lbs | - |
| Mayer, Jake | RP | Free Agent | 23 | 06/26/1995 | Eagle Mountain | USA | Right | Right | 6' 2" | 200 lbs | - |
| Mayers, Mike | RP | Free Agent | 27 | 12/06/1991 | Grove City | USA | Right | Right | 6' 3" | 200 lbs | - |
| Mayfield, Jack | 2B | Free Agent | 28 | 09/30/1990 | Del Rio | USA | Right | Right | 5' 11" | 190 lbs | - |
| Maynard, Jack | RP | Free Agent | 22 | 07/26/1996 | Crozet | USA | Right | Right | 5' 11" | 195 lbs | - |
| Maynard, Jack | SP | Free Agent | 22 | 07/26/1996 | Crozet | USA | Right | Right | 5' 11" | 190 lbs | - |
| Mayza, Tim | RP | Texas Rangers | 27 | 01/15/1992 | Pennsburg | USA | Left | Left | 6' 3" | 220 lbs | $545,000 |
| Mazara, Nomar | LF | Baltimore Orioles | 24 | 04/26/1995 | Santo Domingo | DOM | Left | Left | 6' 4" | 215 lbs | $563,560 |
| Mazeika, Patrick | C | Colorado Rockies | 25 | 10/14/1993 | Wilbraham | USA | Left | Right | 6' 3" | 210 lbs | $545,000 |
| Mazza, Chris | RP | Free Agent | 29 | 10/17/1989 | Walnut Creek | USA | Right | Right | 6' 4" | 180 lbs | - |
| Mazzilli, L.J. | 2B | Free Agent | 28 | 09/06/1990 | Greenwich | USA | Right | Right | 6' 1" | 190 lbs | - |
| McAdams, Josh | LF | Free Agent | 25 | 01/25/1994 | Calhoun | USA | Right | Right | 6' 4" | 210 lbs | - |
| McAdoo Jr., Michael | RF | Free Agent | 22 | 03/22/1997 | Antioch | USA | Right | Right | 6' 2" | 200 lbs | - |
| McAffer, Will | SP | Free Agent | 21 | 05/30/1997 | Vancouver | CAN | Right | Right | 6' 2" | 185 lbs | - |
| McAllister, Jawan | CF | Free Agent | 23 | 03/28/1996 | Philadelphia | USA | Right | Right | 5' 11" | 185 lbs | - |
| McAllister, Zach | RP | Chicago Cubs | 31 | 12/08/1987 | Chillicothe | USA | Right | Right | 6' 6" | 240 lbs | $545,000 |
| McArthur, James | RP | Free Agent | 22 | 12/11/1996 | New Braunfels | USA | Right | Right | 6' 7" | 230 lbs | - |
| McArthur, James | SP | Free Agent | 22 | 12/11/1996 | New Braunfels | USA | Right | Right | 6' 7" | 235 lbs | - |
| McArthur, Lawson | CF | Free Agent | 20 | 07/21/1998 | Charlotte | USA | Left | Right | 6' 2" | 190 lbs | - |
| McAvene, Michael | SP | Free Agent | 21 | 08/24/1997 | Indianapolis | USA | Right | Right | 6' 4" | 185 lbs | - |
| McBride, Matt | C | Free Agent | 33 | 05/23/1985 | Bethlehem | USA | Right | Right | 6' 2" | 215 lbs | - |
| McCabe, Brandon | SP | Free Agent | 20 | 05/04/1998 | Boynton Beach | USA | Right | Right | 6' 5" | 215 lbs | - |
| McCain, Garrett | CF | Free Agent | 23 | 02/28/1996 | Wylie | USA | Right | Left | 6' 0" | 180 lbs | - |
| McCann, Brian | C | Cincinnati Reds | 35 | 02/20/1984 | Athens | USA | Left | Right | 6' 3" | 225 lbs | $8,710,000 |
| McCann, Kyle | C | Free Agent | 21 | 12/02/1997 | Suwanee | USA | Left | Right | 6' 2" | 215 lbs | - |
| McCann, Matt | 2B | Free Agent | 24 | 01/12/1995 | Teaneck | USA | Right | Right | 5' 9" | 170 lbs | - |
| McCanna, Kevin | RP | Free Agent | 25 | 02/01/1994 | Joliet | USA | Left | Right | 6' 1" | 185 lbs | - |
| McCarthy, Oliver | SP | Free Agent | 19 | 09/27/1999 | Brooklyn | USA | Left | Left | 6' 4" | 190 lbs | - |
| McCarthy, Shane | SP | Free Agent | 22 | 07/29/1996 | Fair Haven | USA | Right | Right | 6' 2" | 190 lbs | - |
| McCarty, Aubrey | 1B | Free Agent | 24 | 01/24/1995 | Colquitt | USA | Switch | Right | 6' 3" | 205 lbs | - |
| McCasland, Jake | RP | Free Agent | 27 | 09/13/1991 | Farmington | USA | Right | Right | 6' 2" | 225 lbs | - |
| McCauley, Riley | RP | Free Agent | 22 | 12/05/1996 | Sterling Heights | USA | Right | Right | 5' 11" | 205 lbs | - |
| McConnell, Brady | SS | Free Agent | 20 | 05/24/1998 | Merritt Island | USA | Right | Right | 6' 3" | 175 lbs | - |
| McConnell, Charlie | LF | Free Agent | 23 | 01/07/1996 | Reading | USA | Left | Right | 6' 2" | 195 lbs | - |
| McCormick, Chas | RF | Free Agent | 24 | 04/19/1995 | Millersville | USA | Right | Left | 6' 0" | 190 lbs | - |
| McCoy, Parker | 2B | Free Agent | 21 | 03/10/1998 | Marietta | USA | Left | Right | 5' 11" | 170 lbs | - |
| McCuin, Jeremy | 2B | Free Agent | 22 | 03/22/1997 | Gilbert | USA | Switch | Right | 6' 1" | 180 lbs | - |
| McCullers Jr., Lance | SP | Milwaukee Brewers | 25 | 10/02/1993 | Tampa | USA | Left | Right | 6' 1" | 205 lbs | $6,250,000 |
| McCullough, Morgan | SS | Free Agent | 21 | 12/19/1997 | Unknown | USA | Left | Right | 5' 8" | 175 lbs | - |
| McCurry, Brendan | RP | Free Agent | 27 | 01/07/1992 | Stillwater | USA | Right | Right | 5' 10" | 170 lbs | - |
| McCutchen, Andrew | LF | Pittsburgh Pirates | 32 | 10/10/1986 | Ft. Meade | USA | Right | Right | 5' 11" | 195 lbs | $30,000,000 |
| McCutchin, Trevor | RP | Free Agent | 22 | 08/27/1996 | Owasso | USA | Left | Left | 5' 11" | 195 lbs | - |
| McDaniels, Garrett | SP | Free Agent | 19 | 12/15/1999 | Mullins | USA | Left | Left | 6' 2" | 170 lbs | - |
| McDermott, JR | SP | Free Agent | 22 | 09/25/1996 | Aurora | USA | Right | Right | 6' 0" | 190 lbs | - |
| McDonald, Mickey | CF | Free Agent | 23 | 06/02/1995 | San Mateo | USA | Switch | Right | 6' 4" | 180 lbs | - |
| McDonough, Jordan | C | Free Agent | 23 | 04/03/1996 | Liberty Center | USA | Right | Right | 5' 11" | 190 lbs | - |
| McDowell, Max | C | Free Agent | 25 | 01/12/1994 | Pittsburgh | USA | Right | Right | 6' 1" | 210 lbs | - |
| McElroy, Satchel | CF | Free Agent | 22 | 08/13/1996 | League City | USA | Right | Right | 5' 10" | 170 lbs | - |
| McFadden, Jacob | RF | Free Agent | 22 | 05/06/1996 | Seminole | USA | Right | Right | 6' 2" | 200 lbs | - |
| McFadden, Parker | RP | Free Agent | 21 | 06/01/1997 | Yelm | USA | Right | Right | 6' 1" | 210 lbs | - |
| McFarland, Jordan | LF | Free Agent | 21 | 08/24/1997 | Unknown | USA | Right | Right | 6' 3" | 225 lbs | - |
| McFarland, T.J. | RP | Free Agent | 29 | 06/08/1989 | Palos Hills | USA | Left | Left | 6' 3" | 220 lbs | $1,400,000 |
| McFarlane, Alex | RF | Free Agent | 17 | 06/09/2001 | Charlotte Amalie | VIR | Right | Right | 6' 2" | 160 lbs | - |
| McGarity, Aaron | RP | Free Agent | 24 | 01/31/1995 | Richmond | USA | Right | Right | 6' 3" | 185 lbs | - |
| McGarry, Griff | SP | Free Agent | 19 | 06/08/1999 | Portola Valley | USA | Right | Right | 6' 2" | 175 lbs | - |
| McGarry, Matt | 2B | Free Agent | 23 | 03/24/1996 | San Diego | USA | Right | Right | 5' 10" | 175 lbs | - |
| McGarry, Matt | SP | Free Agent | 22 | 04/01/1997 | San Francisco | USA | Right | Right | 6' 3" | 205 lbs | - |
| McGarry, Seth | RP | Free Agent | 25 | 01/05/1994 | St. Petersburg | USA | Right | Right | 6' 0" | 180 lbs | - |
| McGeagh, Matt | 3B | Free Agent | 22 | 08/22/1996 | Los Angeles | USA | Right | Right | 6' 2" | 175 lbs | - |
| McGee, Ashton | 3B | Free Agent | 20 | 11/19/1998 | Goldsboro | USA | Left | Right | 6' 2" | 215 lbs | - |
| McGee, Jake | RP | Washington Nationals | 32 | 08/06/1986 | San Jose | USA | Left | Left | 6' 4" | 235 lbs | $8,500,000 |
| McGoldrick, Ryan | 2B | Free Agent | 23 | 04/06/1996 | Stratford | USA | Right | Right | 6' 1" | 180 lbs | - |
| McGowan, Jacson | 3B | Free Agent | 21 | 06/18/1997 | Brownsburg | USA | Right | Right | 6' 2" | 210 lbs | - |
| McGowan, Pat | SP | Free Agent | 23 | 04/11/1996 | Wellesley | USA | Left | Right | 6' 0" | 190 lbs | - |
| McGrath, Benjamin | 1B | Free Agent | 23 | 11/08/1995 | Palm Beach Gardens | USA | Switch | Left | 6' 0" | 190 lbs | - |
| McGrath, Chris | RP | Free Agent | 23 | 02/08/1996 | Atlanta | USA | Right | Left | 6' 3" | 195 lbs | - |
| McGrath, Daniel | RP | Free Agent | 24 | 07/07/1994 | Melbourne | AUS | Right | Left | 6' 3" | 205 lbs | - |
| McGregor, Justin | RP | Free Agent | 23 | 12/13/1995 | Midwest City | USA | Right | Right | 6' 1" | 185 lbs | - |
| McGuff, Patrick | RP | Free Agent | 25 | 03/30/1994 | Cincinnati | USA | Left | Right | 6' 2" | 200 lbs | - |
| McGuire, Andy | RP | Free Agent | 24 | 12/02/1994 | Vienna | USA | Right | Right | 6' 0" | 180 lbs | - |
| McHugh, Collin | SP | Milwaukee Brewers | 31 | 06/19/1987 | Naperville | USA | Right | Right | 6' 2" | 190 lbs | $11,875,000 |
| McHugh, Tim | RF | Free Agent | 17 | 10/07/2001 | Commack | USA | Right | Right | 6' 3" | 205 lbs | - |
| McIlraith, Thomas | RP | Free Agent | 25 | 02/17/1994 | Amarillo | USA | Right | Right | 6' 4" | 220 lbs | - |
| McIlwain, Brandon | CF | Free Agent | 20 | 05/31/1998 | Unknown | USA | Right | Right | 6' 1" | 205 lbs | - |
| McInerney, Pat | 1B | Free Agent | 24 | 09/14/1994 | Downers Grove | USA | Right | Right | 6' 5" | 245 lbs | - |
| McInerny, Will | C | Free Agent | 21 | 08/23/1997 | Laguna Beach | USA | Right | Right | 6' 0" | 175 lbs | - |
| McIntyre, Aiden | RP | Free Agent | 23 | 08/27/1995 | Apache Junction | USA | Right | Right | 6' 5" | 220 lbs | - |
| McIntyre, Mitchell | RP | Free Agent | 24 | 10/22/1994 | Wichita | USA | Right | Right | 6' 3" | 195 lbs | - |
| McKay, Billy | RP | Free Agent | 21 | 02/12/1998 | Plant City | USA | Right | Right | 5' 11" | 205 lbs | - |
| McKay, Cole | SP | Free Agent | 22 | 01/12/1997 | San Antonio | USA | Switch | Right | 6' 5" | 220 lbs | - |
| McKay, Ryan | SP | Free Agent | 22 | 09/20/1996 | Merritt Island | USA | Right | Right | 6' 4" | 195 lbs | - |
| McKendry, Evan | SP | Free Agent | 21 | 02/06/1998 | Pembroke Pines | USA | Right | Right | 6' 3" | 210 lbs | - |
| McKenna, Trevor | RP | Free Agent | 22 | 05/17/1996 | Brooksville | USA | Left | Left | 6' 0" | 200 lbs | - |
| McKenzie, Tyler | SS | Free Agent | 18 | 09/24/2000 | West Palm Beach | USA | Right | Right | 6' 1" | 170 lbs | - |
| McKinley, Jayson | RP | Free Agent | 25 | 01/18/1994 | Houston | USA | Right | Right | 6' 4" | 210 lbs | - |
| McKinney, Billy | LF | Pittsburgh Pirates | 24 | 08/23/1994 | Plano | USA | Left | Left | 6' 1" | 205 lbs | $545,000 |
| McKinney, Ian | RP | Free Agent | 24 | 11/18/1994 | Orlando | USA | Left | Left | 5' 11" | 185 lbs | - |
| McKinney, Jeremy | RP | Free Agent | 24 | 12/08/1994 | Franklin | USA | Right | Right | 6' 0" | 190 lbs | - |
| McKinnon, Duncan | 2B | Free Agent | 22 | 12/16/1996 | Manhattan Beach | USA | Switch | Right | 5' 8" | 160 lbs | - |
| McKinstry, Zach | 2B | Free Agent | 24 | 04/29/1995 | Ft. Wayne | USA | Left | Right | 6' 0" | 180 lbs | - |
| McKown, Mitch | SP | Free Agent | 22 | 05/21/1996 | Orlando | USA | Right | Right | 6' 4" | 195 lbs | - |
| McLain, Josh | CF | Free Agent | 22 | 09/23/1996 | Raleigh | USA | Right | Right | 6' 1" | 170 lbs | - |
| McLaughlin, Jaylon | SS | Free Agent | 21 | 12/10/1997 | Santa Monica | USA | Switch | Right | 5' 10" | 165 lbs | - |
| McLaughlin, Matt | SS | Free Agent | 23 | 02/02/1996 | Mountain View (Santa Clara County) | USA | Right | Right | 6' 1" | 185 lbs | - |
| McLaughlin, Sean | RP | Free Agent | 24 | 05/16/1994 | Atlanta | USA | Left | Right | 5' 11" | 195 lbs | - |
| McLean, Nolan | SP | Free Agent | 17 | 07/24/2001 | Garner | USA | Right | Right | 6' 2" | 205 lbs | - |
| McLeod, Zach | 2B | Free Agent | 23 | 01/19/1996 | Rancho Santa Margarita | USA | Right | Right | 6' 1" | 200 lbs | - |
| McMahan, Kyler | SS | Free Agent | 20 | 12/17/1998 | Lynnwood | USA | Right | Right | 5' 11" | 170 lbs | - |
| McMahan, Pearson | RP | Free Agent | 22 | 07/01/1996 | Fernandina Beach | USA | Left | Right | 6' 2" | 190 lbs | - |
| McMahon, Chris | SP | Free Agent | 20 | 02/04/1999 | West Chester | USA | Right | Right | 6' 2" | 190 lbs | - |
| McMahon, Ryan | 1B | Arizona Diamondbacks | 24 | 12/14/1994 | Yorba Linda | USA | Left | Right | 6' 2" | 185 lbs | $545,000 |
| McMillan, Cam | SS | Free Agent | 19 | 07/14/1999 | Kansas City | USA | Right | Right | 6' 5" | 200 lbs | - |
| McMillan, Jalin | 3B | Free Agent | 22 | 11/08/1996 | Unknown | USA | Right | Right | 6' 2" | 190 lbs | - |
| McMillon, John | RP | Free Agent | 21 | 01/27/1998 | Jasper | USA | Left | Right | 6' 3" | 225 lbs | - |
| McMullen, Hunter | SP | Free Agent | 20 | 12/11/1998 | Ocala | USA | Right | Right | 6' 3" | 200 lbs | - |
| McMullen, Kirby | SP | Free Agent | 21 | 07/03/1997 | Ocala | USA | Right | Right | 5' 11" | 195 lbs | - |
| McMurray, Easton | SP | Free Agent | 19 | 10/19/1999 | Bakersfield | USA | Right | Left | 6' 4" | 200 lbs | - |
| McNamara, Dillon | RP | Free Agent | 27 | 10/06/1991 | New York | USA | Right | Right | 6' 5" | 230 lbs | - |
| McNamee, Cole | 3B | Free Agent | 20 | 06/23/1998 | Alpharetta | USA | Right | Right | 6' 4" | 210 lbs | - |
| McNeil, Jeff | 2B | Milwaukee Brewers | 27 | 04/08/1992 | Long Beach | USA | Left | Right | 6' 1" | 195 lbs | $545,000 |
| McNutt, Trey | RP | Free Agent | 29 | 08/02/1989 | Haleyville | USA | Right | Right | 6' 4" | 220 lbs | - |
| McPherson, Jack | C | Free Agent | 22 | 01/23/1997 | Mountain Brook | USA | Left | Right | 5' 10" | 175 lbs | - |
| McQuary, Denver | SP | Free Agent | 21 | 03/10/1998 | Houston | USA | Right | Right | 6' 2" | 190 lbs | - |
| McRae, Alex | RP | Free Agent | 26 | 04/06/1993 | New Berlin | USA | Right | Right | 6' 2" | 220 lbs | - |
| McReaken, Mason | RP | Free Agent | 23 | 02/11/1996 | Marion | USA | Right | Right | 6' 0" | 180 lbs | - |
| McReynolds, Jonah | 2B | Free Agent | 23 | 12/16/1995 | Martinsville | USA | Right | Right | 5' 11" | 165 lbs | - |
| McSwain, Ryan | LF | Free Agent | 22 | 05/01/1996 | Redwood City | USA | Right | Right | 6' 0" | 175 lbs | - |
| McVey, Connor | 3B | Free Agent | 24 | 04/10/1995 | Cincinnati | USA | Right | Right | 5' 11" | 190 lbs | - |
| McWilliams, Ian | SP | Free Agent | 20 | 03/19/1999 | Hendersonville | USA | Right | Right | 6' 3" | 170 lbs | - |
| Meador, Jacob | SP | Free Agent | 18 | 10/26/2000 | Burleson | USA | Right | Right | 5' 11" | 170 lbs | - |
| Meadows, Austin | RF | St. Louis Cardinals | 23 | 05/03/1995 | Atlanta | USA | Left | Left | 6' 3" | 210 lbs | $545,000 |
| Medeiros, Kodi | RP | Colorado Rockies | 22 | 05/25/1996 | Hilo | USA | Left | Left | 6' 2" | 180 lbs | $545,000 |
| Mederos, Victor | SP | Free Agent | 17 | 06/08/2001 | Miami | USA | Right | Right | 6' 2" | 190 lbs | - |
| Mediavilla, Michael | RP | Free Agent | 23 | 08/14/1995 | Hialeah | USA | Left | Left | 6' 5" | 225 lbs | - |
| Medina, Ivan | RP | Free Agent | 23 | 02/26/1996 | Carúpano | VEN | Right | Right | 6' 3" | 180 lbs | - |
| Medina, Jeffeson | RP | Free Agent | 24 | 05/31/1994 | San Carlos del Zulia | VEN | Right | Right | 6' 2" | 185 lbs | - |
| Medina, Jeison | RP | Free Agent | 22 | 12/06/1996 | San Cristóbal | DOM | Right | Right | 6' 2" | 175 lbs | - |
| Medina, Luis | SP | Free Agent | 23 | 06/18/1995 | Miches | DOM | Right | Right | 6' 2" | 175 lbs | - |
| Medina, Yeison | RP | Free Agent | 26 | 10/02/1992 | Jimaní | DOM | Right | Right | 6' 2" | 210 lbs | - |
| Medrano, Jesse | 2B | Free Agent | 24 | 03/27/1995 | Concord | USA | Right | Right | 5' 11" | 200 lbs | - |
| Medrano, Robinson | 1B | Free Agent | 23 | 04/20/1996 | Santiago | DOM | Right | Right | 6' 3" | 180 lbs | - |
| Meggs, Jack | LF | Free Agent | 24 | 04/18/1995 | Bellevue | USA | Left | Left | 6' 1" | 175 lbs | - |
| Megias, Mitchel | SP | Free Agent | 19 | 04/07/2000 | Gahanna | USA | Left | Right | 6' 3" | 180 lbs | - |
| Megill, Trevor | RP | Free Agent | 25 | 12/05/1993 | Long Beach | USA | Left | Right | 6' 8" | 235 lbs | - |
| Mehan, Scott | 3B | Free Agent | 20 | 08/26/1998 | Scottsdale | USA | Right | Right | 5' 10" | 180 lbs | - |
| Meister, Christian | RP | Free Agent | 25 | 10/29/1993 | Tacoma | USA | Right | Right | 6' 3" | 210 lbs | - |
| Mejia, Adalberto | SP | Baltimore Orioles | 25 | 06/20/1993 | Bonao | DOM | Right | Left | 6' 3" | 195 lbs | $545,000 |
| Mejia, Bryan | 2B | Free Agent | 25 | 03/02/1994 | Baní | DOM | Switch | Right | 6' 1" | 170 lbs | - |
| Mejia, Francisco | C | Arizona Diamondbacks | 23 | 10/27/1995 | Baní | DOM | Switch | Right | 5' 10" | 180 lbs | $545,000 |
| Mejia, Ian | SP | Free Agent | 19 | 01/31/2000 | Tucson | USA | Right | Right | 6' 2" | 180 lbs | - |
| Mejia, Jeferson | RP | Free Agent | 24 | 08/02/1994 | Santo Domingo | DOM | Right | Right | 6' 7" | 255 lbs | - |
| Mejia, Natanael | C | Free Agent | 26 | 07/10/1992 | San Pedro de Macorís | DOM | Right | Right | 6' 0" | 175 lbs | - |
| Mejias, Alex | RP | Free Agent | 22 | 11/26/1996 | Cabimas | VEN | Right | Right | 5' 11" | 185 lbs | - |
| Melancon, Mark | RP | Milwaukee Brewers | 34 | 03/28/1985 | Wheat Ridge | USA | Right | Right | 6' 2" | 215 lbs | $4,000,000 |
| Melendez, Jayden | C | Free Agent | 16 | 12/19/2002 | Miami | USA | Right | Right | 5' 10" | 160 lbs | - |
| Melendez, Orestes | RP | Free Agent | 23 | 06/08/1995 | Santa Teresa | VEN | Left | Left | 5' 11" | 180 lbs | - |
| Melone, Jared | 3B | Free Agent | 21 | 06/05/1997 | North Wales | USA | Right | Right | 6' 1" | 215 lbs | - |
| Mena, Jose | C | Free Agent | 22 | 12/22/1996 | Cotuí | DOM | Right | Right | 6' 0" | 210 lbs | - |
| Mena, Malky | SP | Free Agent | 22 | 10/03/1996 | Bonao | DOM | Right | Right | 6' 0" | 165 lbs | - |
| Mendazona, George | SS | Free Agent | 21 | 08/31/1997 | Redmond | USA | Left | Right | 5' 11" | 175 lbs | - |
| Mendenhall, Kyle | SS | Free Agent | 23 | 04/10/1996 | Carlsbad | USA | Right | Right | 6' 2" | 165 lbs | - |
| Mendez, Bringnel | RP | Free Agent | 25 | 01/31/1994 | Azua | DOM | Right | Right | 6' 0" | 240 lbs | - |
| Mendez, Deivy | RP | Free Agent | 23 | 10/27/1995 | San Pedro de Macorís | DOM | Right | Right | 6' 2" | 190 lbs | - |
| Mendez, Erick | CF | Free Agent | 23 | 04/07/1996 | Santo Domingo | DOM | Right | Right | 6' 0" | 185 lbs | - |
| Mendez, Julio | 3B | Free Agent | 22 | 10/24/1996 | Ciudad Bolívar | VEN | Right | Right | 5' 10" | 140 lbs | - |
| Mendez, Luis Miguel | 2B | Free Agent | 26 | 01/01/1993 | San Juan de los Morros | VEN | Switch | Right | 5' 10" | 190 lbs | - |
| Mendez, Roman | RP | Free Agent | 28 | 07/25/1990 | San Pedro de Macorís | DOM | Right | Right | 6' 3" | 245 lbs | - |
| Mendez, Sal | RP | Free Agent | 24 | 02/25/1995 | Weehawken | USA | Right | Left | 6' 4" | 180 lbs | - |
| Mendoza, Drew | 3B | Free Agent | 21 | 10/10/1997 | Minneola | USA | Left | Right | 6' 4" | 210 lbs | - |
| Mendoza, Kevin | 1B | Free Agent | 23 | 08/16/1995 | Villa de Cura | VEN | Switch | Right | 5' 10" | 155 lbs | - |
| Menefee, Joseph | SP | Free Agent | 19 | 10/06/1999 | Richmond | USA | Left | Left | 6' 1" | 220 lbs | - |
| Menendez, Bryan | SP | Free Agent | 23 | 01/18/1996 | Bellflower | USA | Right | Right | 5' 11" | 215 lbs | - |
| Menendez, Bryan | C | Free Agent | 23 | 01/18/1996 | Unknown | USA | Right | Right | 5' 11" | 210 lbs | - |
| Menendez, Kiki | RF | Free Agent | 24 | 02/07/1995 | Austin | USA | Right | Right | 6' 2" | 205 lbs | - |
| Meneses, Heiker | 2B | Free Agent | 27 | 07/01/1991 | Caracas | VEN | Right | Right | 5' 9" | 200 lbs | - |
| Menfee, Jordan | SP | Free Agent | 21 | 07/01/1997 | Forest Heights | USA | Right | Right | 6' 4" | 200 lbs | - |
| Mengden, Daniel | SP | Houston Astros | 26 | 02/19/1993 | Houston | USA | Right | Right | 6' 1" | 225 lbs | $545,000 |
| Meola, Jon | SS | Free Agent | 21 | 06/15/1997 | Toms River | USA | Right | Right | 6' 0" | 200 lbs | - |
| Mercedes, Miguel | 1B | Free Agent | 23 | 09/12/1995 | Boca Chica | DOM | Right | Right | 6' 4" | 255 lbs | - |
| Mercer, Jordy | SS | Seattle Mariners | 32 | 08/27/1986 | Bossier City | USA | Right | Right | 6' 3" | 210 lbs | $1,990,000 |
| Meredith, Kier | CF | Free Agent | 19 | 09/12/1999 | Winston-Salem | USA | Left | Left | 5' 10" | 170 lbs | - |
| Merrifield, Whit | 2B | Minnesota Twins | 30 | 01/24/1989 | Florence | USA | Right | Right | 6' 0" | 195 lbs | $545,000 |
| Merrill, Corey | RP | Free Agent | 24 | 10/11/1994 | Lutcher | USA | Right | Right | 6' 3" | 210 lbs | - |
| Mertz, Michael | RP | Free Agent | 25 | 09/24/1993 | Newark | USA | Right | Right | 6' 2" | 220 lbs | - |
| Mervis, Matt | SP | Free Agent | 21 | 04/16/1998 | Potomac | USA | Left | Right | 6' 4" | 230 lbs | - |
| Meservey, Nick | CL | Free Agent | 23 | 09/10/1995 | Scottsdale | USA | Left | Left | 6' 5" | 220 lbs | - |
| Messier, Mike | RP | Free Agent | 23 | 05/12/1995 | Unknown | USA | Right | Left | 6' 6" | 205 lbs | - |
| Messinger, Skyler | 3B | Free Agent | 20 | 11/01/1998 | Niwot | USA | Right | Right | 6' 4" | 195 lbs | - |
| Metz, Robbie | RF | Free Agent | 22 | 07/29/1996 | Gaithersburg | USA | Right | Right | 5' 10" | 185 lbs | - |
| Metzgar, David | 3B | Free Agent | 24 | 12/10/1994 | Lancaster | USA | Right | Right | 5' 8" | 170 lbs | - |
| Metzler, Ryan | 2B | Free Agent | 26 | 03/20/1993 | Glen Burnie | USA | Right | Right | 6' 3" | 190 lbs | - |
| Meyer, Brendan | RP | Free Agent | 24 | 10/08/1994 | Las Vegas | USA | Left | Right | 6' 5" | 200 lbs | - |
| Meyer, Charlie | C | Free Agent | 26 | 01/10/1993 | Sarasota | USA | Right | Right | 5' 10" | 180 lbs | - |
| Meyer, Cory | C | Free Agent | 21 | 06/03/1997 | Pocatello | USA | Right | Right | 5' 11" | 185 lbs | - |
| Meyer, Mack | RP | Free Agent | 25 | 10/21/1993 | San Francisco | USA | Right | Right | 6' 0" | 190 lbs | - |
| Meyer, Reggie | RP | Free Agent | 23 | 07/27/1995 | New Brighton | USA | Left | Right | 6' 4" | 210 lbs | - |
| Meyers, Jake | RF | Free Agent | 22 | 06/18/1996 | Omaha | USA | Right | Left | 6' 0" | 200 lbs | - |
| Meylan, Grant | CF | Free Agent | 22 | 07/29/1996 | Concord | USA | Right | Right | 6' 0" | 180 lbs | - |
| Michael, Levi | 2B | Free Agent | 28 | 02/09/1991 | Lexington | USA | Right | Right | 5' 10" | 180 lbs | - |
| Michelena, Arturo | 2B | Free Agent | 24 | 10/15/1994 | Maracaibo | VEN | Right | Right | 5' 11" | 165 lbs | - |
| Middleton, Clay | C | Free Agent | 25 | 10/08/1993 | Oviedo | USA | Right | Right | 6' 0" | 205 lbs | - |
| Middleton, Keynan | RP | Los Angeles Dodgers | 25 | 09/12/1993 | Milwaukie | USA | Right | Right | 6' 3" | 215 lbs | $545,000 |
| Miednik, Jake | RP | Free Agent | 22 | 05/01/1996 | Plattsburgh | USA | Left | Left | 5' 10" | 185 lbs | - |
| Mielock, Jake | RP | Free Agent | 24 | 01/09/1995 | Safety Harbor | USA | Right | Right | 6' 3" | 220 lbs | - |
| Migueles, Erick | RF | Free Agent | 22 | 07/21/1996 | Tucson | USA | Left | Right | 6' 0" | 195 lbs | - |
| Mihlbauer, Augie | SP | Free Agent | 19 | 05/25/1999 | Mukwonago | USA | Left | Left | 6' 0" | 190 lbs | - |
| Mika, Matthew | 3B | Free Agent | 22 | 07/03/1996 | Lake Worth | USA | Right | Right | 5' 10" | 180 lbs | - |
| Mikolas, Miles | SP | Atlanta Braves | 30 | 08/23/1988 | Jupiter | USA | Right | Right | 6' 5" | 220 lbs | $7,750,000 |
| Milacki, Bobby | RP | Free Agent | 22 | 11/06/1996 | Lake Havasu City | USA | Right | Right | 6' 2" | 210 lbs | - |
| Milam, Kevin | RP | Free Agent | 21 | 02/13/1998 | Brentwood | USA | Right | Right | 6' 1" | 190 lbs | - |
| Milburn, Matt | RP | Free Agent | 25 | 07/29/1993 | Dallas | USA | Right | Right | 6' 3" | 210 lbs | - |
| Milchin, Garrett | SP | Free Agent | 21 | 08/09/1997 | Windermere | USA | Left | Right | 6' 5" | 210 lbs | - |
| Miley, Wade | RP | Washington Nationals | 32 | 11/13/1986 | Hammond | USA | Left | Left | 6' 0" | 220 lbs | $3,500,000 |
| Millan, J.C. | 3B | Free Agent | 23 | 01/18/1996 | Havana | CUB | Right | Right | 6' 0" | 185 lbs | - |
| Millard, Tim | 3B | Free Agent | 23 | 05/29/1995 | Flower Mound | USA | Right | Right | 6' 0" | 200 lbs | - |
| Miller, Anderson | LF | Free Agent | 24 | 05/06/1994 | Lexington | USA | Left | Left | 6' 3" | 210 lbs | - |
| Miller, Andrew | CL | Milwaukee Brewers | 33 | 05/21/1985 | Gainesville | USA | Left | Left | 6' 7" | 205 lbs | $15,000,000 |
| Miller, Andrew J. | RP | Free Agent | 22 | 12/15/1996 | Stratford | USA | Left | Left | 6' 3" | 195 lbs | - |
| Miller, Andy | SP | Free Agent | 22 | 12/15/1996 | Stratford | USA | Left | Left | 6' 3" | 195 lbs | - |
| Miller, Anthony | 1B | Free Agent | 24 | 10/04/1994 | Kansas City | USA | Left | Right | 6' 4" | 240 lbs | - |
| Miller, Bobby | SP | Free Agent | 20 | 04/05/1999 | McHenry | USA | Left | Right | 6' 5" | 210 lbs | - |
| Miller, Brad | 1B | San Diego Padres | 29 | 10/18/1989 | Windermere | USA | Left | Right | 6' 2" | 200 lbs | $3,800,000 |
| Miller, Brady | RP | Free Agent | 23 | 04/04/1996 | Upland | USA | Right | Right | 6' 2" | 190 lbs | - |
| Miller, D.J. | CF | Free Agent | 22 | 04/29/1997 | Madison | USA | Right | Right | 6' 2" | 170 lbs | - |
| Miller, Darren | 3B | Free Agent | 22 | 05/29/1996 | Key West | USA | Right | Right | 5' 8" | 185 lbs | - |
| Miller, Erik | SP | Free Agent | 21 | 02/13/1998 | St. Louis | USA | Left | Left | 6' 5" | 220 lbs | - |
| Miller, Evan | RP | Free Agent | 23 | 05/23/1995 | La Porte | USA | Right | Right | 6' 2" | 200 lbs | - |
| Miller, Jackson | C | Free Agent | 17 | 01/03/2002 | Trinity | USA | Left | Right | 6' 0" | 180 lbs | - |
| Miller, Jake | SP | Free Agent | 18 | 07/14/2000 | Thousand Oaks | USA | Right | Right | 6' 2" | 190 lbs | - |
| Miller, Jared | 3B | Free Agent | 20 | 12/11/1998 | Marietta | USA | Switch | Right | 6' 0" | 190 lbs | - |
| Miller, Jared | RP | Chicago White Sox | 25 | 08/21/1993 | Avon | USA | Left | Left | 6' 7" | 240 lbs | $545,000 |
| Miller, Josiah | SS | Free Agent | 18 | 08/05/2000 | Tallahassee | USA | Switch | Right | 6' 0" | 190 lbs | - |
| Miller, Justin R. | RP | Oakland Athletics | 31 | 06/13/1987 | Bakersfield | USA | Right | Right | 6' 3" | 215 lbs | $4,500,000 |
| Miller, Luke | 3B | Free Agent | 22 | 07/17/1996 | Muncie | USA | Right | Right | 6' 3" | 190 lbs | - |
| Miller, Max | SS | Free Agent | 22 | 07/15/1996 | Chapel Hill | USA | Right | Right | 5' 11" | 175 lbs | - |
| Miller, Mitchell | SP | Free Agent | 21 | 06/13/1997 | Covington | USA | Left | Left | 6' 4" | 185 lbs | - |
| Miller, Sean | 3B | Free Agent | 24 | 10/10/1994 | Crofton | USA | Right | Right | 5' 11" | 175 lbs | - |
| Miller, Shelby | SP | Toronto Blue Jays | 28 | 10/10/1990 | Houston | USA | Right | Right | 6' 3" | 225 lbs | $545,000 |
| Miller Jr., Darrell | C | Free Agent | 25 | 09/29/1993 | Fullerton | USA | Right | Right | 6' 2" | 220 lbs | - |
| Milligan, Hunter | SP | Free Agent | 20 | 10/26/1998 | Greenbrier | USA | Left | Left | 6' 4" | 210 lbs | - |
| Milligan, Lane | C | Free Agent | 24 | 03/22/1995 | Denver | USA | Left | Right | 6' 2" | 200 lbs | - |
| Mills, Jordan | RP | Free Agent | 26 | 05/11/1992 | Shingle Springs | USA | Left | Left | 6' 5" | 215 lbs | - |
| Millwee, Daniel | C | Free Agent | 22 | 06/19/1996 | Azusa | USA | Right | Right | 5' 9" | 170 lbs | - |
| Milto, Pauly | SP | Free Agent | 22 | 03/06/1997 | Greenwood | USA | Right | Right | 6' 3" | 240 lbs | - |
| Mims, Brian | 1B | Free Agent | 23 | 03/14/1996 | Montclair | USA | Right | Right | 5' 11" | 185 lbs | - |
| Minacci, M.T. | RP | Free Agent | 23 | 06/06/1995 | Tallahassee | USA | Right | Right | 6' 0" | 170 lbs | - |
| Minch, Jordan | RP | Free Agent | 25 | 07/16/1993 | Munster | USA | Left | Left | 6' 3" | 180 lbs | - |
| Mineo, Alberto | C | Free Agent | 24 | 07/23/1994 | Gorizia | ITA | Left | Right | 5' 10" | 170 lbs | - |
| Miner, Landon | SP | Free Agent | 20 | 05/09/1998 | Bryan | USA | Right | Right | 6' 3" | 185 lbs | - |
| Ming, Cameron | RP | Free Agent | 22 | 05/02/1996 | Phoenix | USA | Left | Left | 6' 1" | 175 lbs | - |
| Minier, Greg | RP | Free Agent | 23 | 09/22/1995 | Oxnard | USA | Right | Left | 6' 4" | 235 lbs | - |
| Minjarez, Felix | RP | Free Agent | 22 | 09/13/1996 | Riverside | USA | Right | Right | 6' 3" | 205 lbs | - |
| Minnick, Matt | SP | Free Agent | 23 | 03/11/1996 | North Collins | USA | Right | Left | 6' 2" | 210 lbs | - |
| Minnick, Zach | C | Free Agent | 22 | 12/16/1996 | Logan | USA | Left | Right | 6' 0" | 220 lbs | - |
| Minor, Mike | SP | San Diego Padres | 31 | 12/26/1987 | Lewisburg | USA | Right | Left | 6' 4" | 210 lbs | $9,500,000 |
| Minter, A.J. | CL | San Diego Padres | 25 | 09/02/1993 | Tyler | USA | Left | Left | 6' 0" | 215 lbs | $545,000 |
| Mirabal, Octavio | SP | Free Agent | 23 | 12/19/1995 | Unknown | USA | Left | Left | 5' 10" | 175 lbs | - |
| Miranda, David | RF | Free Agent | 24 | 03/23/1995 | Placentia | USA | Left | Left | 6' 0" | 210 lbs | - |
| Misiewicz, Anthony | RP | Free Agent | 24 | 11/01/1994 | Detroit | USA | Right | Left | 6' 1" | 190 lbs | - |
| Misner, Kameron | LF | Free Agent | 21 | 01/08/1998 | Anderson | USA | Left | Left | 6' 4" | 220 lbs | - |
| Mistico, Antoine | CF | Free Agent | 20 | 06/30/1998 | Chandler | USA | Left | Right | 5' 10" | 175 lbs | - |
| Mitchell, Andrew L. | RP | Free Agent | 24 | 10/23/1994 | New Orleans | USA | Left | Left | 6' 0" | 180 lbs | - |
| Mitchell, Connor | RP | Free Agent | 23 | 09/11/1995 | Plainfield | USA | Left | Left | 6' 4" | 180 lbs | - |
| Mitchell, Evan | RP | Free Agent | 27 | 03/18/1992 | Marietta | USA | Right | Right | 6' 2" | 185 lbs | - |
| Mitchell, Garrett | CF | Free Agent | 20 | 09/04/1998 | Orange | USA | Left | Right | 6' 3" | 200 lbs | - |
| Mitchell, Jeffrey | RF | Free Agent | 21 | 07/24/1997 | Pleasant Hill | USA | Right | Right | 5' 11" | 185 lbs | - |
| Mitchell, Justin | C | Free Agent | 20 | 10/13/1998 | Platte City | USA | Right | Right | 6' 0" | 200 lbs | - |
| Mitchell, Kevonte | LF | Free Agent | 23 | 08/12/1995 | Kennett | USA | Right | Right | 6' 4" | 185 lbs | - |
| Mitchell, Tevin | 2B | Free Agent | 21 | 05/02/1997 | Clovis | USA | Right | Right | 6' 1" | 160 lbs | - |
| Mitzel, Tyler | RP | Free Agent | 22 | 05/10/1996 | Sioux Falls | USA | Right | Right | 6' 4" | 210 lbs | - |
| Mlodzinski, Carmen | SP | Free Agent | 20 | 02/19/1999 | Hilton Head Island | USA | Right | Right | 6' 2" | 185 lbs | - |
| Moats, Dalton | RP | Free Agent | 23 | 05/24/1995 | Kansas City | USA | Left | Left | 6' 3" | 195 lbs | - |
| Moberg, Jack | SP | Free Agent | 20 | 08/16/1998 | Unknown | USA | Right | Right | 5' 11" | 190 lbs | - |
| Moberg, Jake | SP | Free Agent | 19 | 06/17/1999 | Murrieta | USA | Right | Right | 6' 2" | 185 lbs | - |
| Moberg, Jeff | 2B | Free Agent | 24 | 07/18/1994 | Murrieta | USA | Right | Right | 5' 9" | 170 lbs | - |
| Mobley, Cody | SP | Free Agent | 22 | 09/23/1996 | Mt. Vernon | USA | Right | Right | 6' 3" | 190 lbs | - |
| Mock, Eric | SP | Free Agent | 22 | 07/12/1996 | Shillington | USA | Right | Right | 6' 2" | 195 lbs | - |
| Mockbee, Joe | RP | Free Agent | 24 | 01/07/1995 | Akron | USA | Right | Left | 6' 3" | 205 lbs | - |
| Moeller, Zack | C | Free Agent | 22 | 01/03/1997 | Hollister | USA | Right | Right | 6' 1" | 190 lbs | - |
| Mojica, Johan | C | Free Agent | 23 | 10/15/1995 | Manatí | PUR | Right | Right | 6' 1" | 220 lbs | - |
| Mokma, Mike | SP | Free Agent | 21 | 01/22/1998 | Holland | USA | Right | Right | 6' 7" | 235 lbs | - |
| Molina, Anthony | SP | Free Agent | 21 | 10/06/1997 | Pembroke Pines | USA | Right | Right | 6' 4" | 190 lbs | - |
| Molina, Gerson | 1B | Free Agent | 23 | 03/13/1996 | Morón | CUB | Right | Right | 6' 3" | 185 lbs | - |
| Molina, Marcos | SP | St. Louis Cardinals | 24 | 03/08/1995 | Santiago | DOM | Right | Right | 6' 3" | 225 lbs | $545,000 |
| Molina, Nelson | 2B | Free Agent | 24 | 04/30/1995 | Arecibo | PUR | Left | Right | 6' 3" | 175 lbs | - |
| Molina, Robert | C | Free Agent | 22 | 09/16/1996 | Punta Cardón | VEN | Switch | Right | 5' 11" | 175 lbs | - |
| Molina, Yadier | C | San Diego Padres | 36 | 07/13/1982 | Bayamón | PUR | Right | Right | 5' 11" | 205 lbs | $20,000,000 |
| Molle, Jake | C | Free Agent | 20 | 04/13/1999 | DeBary | USA | Right | Right | 6' 2" | 210 lbs | - |
| Moller, Ian | C | Free Agent | 16 | 10/26/2002 | Dubuque | USA | Right | Right | 6' 0" | 170 lbs | - |
| Molnar, Kyle | SP | Free Agent | 22 | 11/14/1996 | Aliso Viejo | USA | Right | Right | 6' 3" | 205 lbs | - |
| Mompierre, Nelson | C | Free Agent | 23 | 09/26/1995 | Miami | USA | Left | Right | 6' 0" | 195 lbs | - |
| Moncada, Yoan | 3B | Chicago Cubs | 23 | 05/27/1995 | Abreus | CUB | Switch | Right | 6' 2" | 205 lbs | $555,000 |
| Mondak, Nick | RP | Free Agent | 20 | 06/02/1998 | Watertown | USA | Left | Left | 6' 3" | 190 lbs | - |
| Mondesi, Adalberto | SS | Cincinnati Reds | 23 | 07/27/1995 | Los Angeles | USA | Switch | Right | 6' 1" | 190 lbs | $545,000 |
| Mondou, Nate | 2B | Free Agent | 24 | 03/24/1995 | Bonney Lake | USA | Left | Right | 5' 10" | 205 lbs | - |
| Monke, Caden | SP | Free Agent | 19 | 09/02/1999 | Mt. Olive | USA | Left | Left | 6' 3" | 165 lbs | - |
| Monsalve, Alex | C | Free Agent | 27 | 04/22/1992 | Guanare | VEN | Right | Right | 6' 2" | 225 lbs | - |
| Montas, Frankie | RP | Atlanta Braves | 26 | 03/21/1993 | San Cristóbal | DOM | Right | Right | 6' 2" | 255 lbs | $545,000 |
| Montas, Jenri | RP | Free Agent | 22 | 08/10/1996 | San Cristóbal | DOM | Right | Right | 6' 3" | 200 lbs | - |
| Montas, Kenlly | SP | Free Agent | 22 | 05/31/1996 | Baní | DOM | Right | Right | 6' 0" | 185 lbs | - |
| Montemayor, Troy | RP | Free Agent | 22 | 06/06/1996 | San Antonio | USA | Right | Right | 6' 1" | 160 lbs | - |
| Montero, Miguel | C | San Francisco Giants | 35 | 07/09/1983 | Caracas | VEN | Left | Right | 5' 11" | 210 lbs | $1,700,000 |
| Montero, Reynier | SP | Free Agent | 22 | 10/29/1996 | San Pedro de Macorís | DOM | Right | Right | 6' 2" | 165 lbs | - |
| Montes, Coco | 2B | Free Agent | 22 | 10/07/1996 | Miami | USA | Right | Right | 6' 1" | 175 lbs | - |
| Montes, Juan | LF | Free Agent | 23 | 05/15/1995 | Guatemala | GUA | Switch | Right | 6' 2" | 185 lbs | - |
| Montes, Robert | 2B | Free Agent | 22 | 10/07/1996 | Miami | USA | Right | Right | 6' 1" | 195 lbs | - |
| Montesino, Ariel | SS | Free Agent | 23 | 09/21/1995 | Mao | DOM | Right | Right | 5' 10" | 190 lbs | - |
| Montesino, Franky | SS | Free Agent | 23 | 02/14/1996 | Miami | USA | Right | Right | 5' 7" | 175 lbs | - |
| Montgomery, Allen | RP | Free Agent | 22 | 08/15/1996 | Herrin | USA | Right | Right | 6' 3" | 190 lbs | - |
| Montgomery, Cameron | RF | Free Agent | 22 | 11/06/1996 | Windermere | USA | Right | Right | 6' 4" | 200 lbs | - |
| Montgomery, Jordan | SP | Oakland Athletics | 26 | 12/27/1992 | Bridgeport | USA | Left | Left | 6' 6" | 225 lbs | $545,000 |
| Montgomery, Justin | SP | Free Agent | 22 | 09/10/1996 | Corona | USA | Right | Right | 6' 5" | 200 lbs | - |
| Montgomery, Mike | SP | New York Mets | 29 | 07/01/1989 | Mission Hills | USA | Left | Left | 6' 5" | 215 lbs | $850,000 |
| Montijo, Marbin | SP | Free Agent | 22 | 07/04/1996 | Magdalena | MEX | Right | Right | 6' 3" | 180 lbs | - |
| Montilla, Geoandry | C | Free Agent | 22 | 05/14/1996 | Maracaibo | VEN | Right | Right | 6' 0" | 165 lbs | - |
| Montoya, Chaz | SP | Free Agent | 22 | 12/13/1996 | Glendale | USA | Left | Left | 6' 0" | 160 lbs | - |
| Montville, Jason | RP | Free Agent | 22 | 11/16/1996 | Escondido | USA | Left | Left | 6' 2" | 215 lbs | - |
| Moon, Logan | CF | Free Agent | 27 | 02/15/1992 | Blue Springs | USA | Right | Right | 6' 2" | 195 lbs | - |
| Mooney, Marcus | SS | Free Agent | 25 | 01/20/1994 | Palm Beach | USA | Right | Right | 5' 7" | 160 lbs | - |
| Mooney, Peter | 2B | Free Agent | 28 | 08/19/1990 | Palm Beach | USA | Left | Right | 5' 6" | 155 lbs | - |
| Moore, Andrew | SP | Free Agent | 19 | 08/11/1999 | Jackson | USA | Right | Right | 6' 5" | 205 lbs | - |
| Moore, Austin | RP | Free Agent | 24 | 06/21/1994 | Tucson | USA | Right | Right | 6' 2" | 230 lbs | - |
| Moore, Austin | SP | Free Agent | 21 | 05/13/1997 | Huntington Beach | USA | Right | Right | 6' 3" | 190 lbs | - |
| Moore, Ben | C | Free Agent | 26 | 09/22/1992 | Cullman | USA | Right | Right | 6' 1" | 195 lbs | - |
| Moore, Christian | SP | Free Agent | 16 | 10/21/2002 | New York | USA | Right | Right | 6' 1" | 185 lbs | - |
| Moore, Cole | C | Free Agent | 19 | 06/14/1999 | Georgetown | USA | Left | Right | 6' 2" | 220 lbs | - |
| Moore, Davis | SP | Free Agent | 21 | 03/04/1998 | Rancho Cucamonga | USA | Right | Right | 6' 4" | 190 lbs | - |
| Moore, Dylan | 2B | Free Agent | 26 | 08/02/1992 | Yorba Linda | USA | Right | Right | 6' 0" | 200 lbs | $565,000 |
| Moore, Matt | SP | Milwaukee Brewers | 29 | 06/18/1989 | Ft. Walton Beach | USA | Left | Left | 6' 3" | 210 lbs | $5,250,000 |
| Moore, Robert | SS | Free Agent | 17 | 03/31/2002 | Leawood | USA | Switch | Right | 5' 9" | 155 lbs | - |
| Moorman, Chuck | C | Free Agent | 25 | 01/09/1994 | Lakeside | USA | Right | Right | 5' 11" | 200 lbs | - |
| Mora, John | CF | Free Agent | 25 | 05/31/1993 | San Juan de la Maguana | DOM | Left | Left | 5' 11" | 195 lbs | - |
| Mora, Kyle | SP | Free Agent | 20 | 07/08/1998 | Los Alamitos | USA | Right | Right | 6' 1" | 185 lbs | - |
| Morales, Andrew | RP | Free Agent | 26 | 01/16/1993 | West Covina | USA | Right | Right | 6' 0" | 185 lbs | - |
| Morales, Brayan | CF | Free Agent | 23 | 12/08/1995 | Ponce | PUR | Right | Left | 6' 1" | 170 lbs | - |
| Morales, Johmbeyker | 2B | Free Agent | 24 | 07/17/1994 | Maracay | VEN | Right | Right | 6' 0" | 170 lbs | - |
| Morales, Jonathan | C | Free Agent | 24 | 01/29/1995 | Arroyo | PUR | Right | Right | 5' 11" | 180 lbs | - |
| Morales, Kendrys | 1B | Detroit Tigers | 35 | 06/20/1983 | Fomento | CUB | Switch | Right | 6' 1" | 225 lbs | $8,900,000 |
| Moran, Colin | 3B | Houston Astros | 26 | 10/01/1992 | Port Chester | USA | Left | Right | 6' 4" | 205 lbs | $545,000 |
| Moreland, Mitch | 1B | New York Mets | 33 | 09/06/1985 | Amory | USA | Left | Left | 6' 2" | 230 lbs | $6,500,000 |
| Moreno, Hansel | 2B | Free Agent | 22 | 11/03/1996 | Santo Domingo | DOM | Switch | Right | 6' 4" | 180 lbs | - |
| Moreta, Dauri | SP | Free Agent | 23 | 04/15/1996 | Comendador | DOM | Right | Right | 6' 2" | 185 lbs | - |
| Morgan, Adam | RP | Washington Nationals | 29 | 02/27/1990 | Tampa | USA | Left | Left | 6' 1" | 200 lbs | $1,158,125 |
| Morgan, Brennan | C | Free Agent | 25 | 04/13/1994 | Princeton | USA | Right | Right | 6' 4" | 215 lbs | - |
| Morgan, Connor | 3B | Free Agent | 17 | 10/07/2001 | Brooksville | USA | Right | Right | 6' 1" | 215 lbs | - |
| Morgan, Jason | RP | Free Agent | 23 | 02/17/1996 | Fredericksburg | USA | Right | Right | 6' 5" | 175 lbs | - |
| Morgan, Luke | RP | Free Agent | 22 | 05/13/1996 | Joliet | USA | Right | Right | 6' 2" | 195 lbs | - |
| Morgan, Matt | C | Free Agent | 23 | 01/27/1996 | Thorsby | USA | Right | Right | 6' 2" | 205 lbs | - |
| Morillo, Juan | RP | Free Agent | 22 | 09/27/1996 | Gaspar Hernandez | DOM | Right | Right | 6' 2" | 175 lbs | - |
| Morin, Mike | RP | Free Agent | 27 | 05/03/1991 | Andover | USA | Right | Right | 6' 4" | 220 lbs | - |
| Morisano, James | C | Free Agent | 22 | 10/22/1996 | Unknown | USA | Right | Right | 6' 3" | 210 lbs | - |
| Moronta, Reyes | RP | Texas Rangers | 26 | 01/06/1993 | Santiago | DOM | Right | Right | 5' 11" | 240 lbs | $810,000 |
| Moronta, Yovanny | SP | Free Agent | 22 | 05/22/1996 | Bonao | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Morozowski, Jason | LF | Free Agent | 24 | 06/10/1994 | Pembroke Pines | USA | Right | Right | 6' 2" | 190 lbs | - |
| Morrell, Brian | SP | Free Agent | 20 | 12/12/1998 | Wading River | USA | Switch | Right | 6' 0" | 175 lbs | - |
| Morrill, Hueston | SP | Free Agent | 18 | 09/04/2000 | Live Oak | USA | Right | Right | 6' 0" | 170 lbs | - |
| Morris, Chris | RP | Free Agent | 23 | 01/11/1996 | Matawan | USA | Right | Right | 6' 2" | 180 lbs | - |
| Morris, Christian | RP | Free Agent | 25 | 01/23/1994 | Williston | USA | Right | Right | 6' 4" | 195 lbs | - |
| Morris, Cody | SP | Free Agent | 22 | 11/04/1996 | Laurel | USA | Right | Right | 6' 4" | 205 lbs | - |
| Morris, Joey | SP | Free Agent | 21 | 03/05/1998 | Vacaville | USA | Right | Right | 6' 0" | 170 lbs | - |
| Morris, Livingston | RF | Free Agent | 20 | 08/21/1998 | Woodstock | USA | Right | Right | 6' 4" | 220 lbs | - |
| Morris, Tanner | SS | Free Agent | 21 | 09/07/1997 | Crozet | USA | Left | Right | 6' 2" | 190 lbs | - |
| Morris, Trey | SP | Free Agent | 20 | 07/01/1998 | Katy | USA | Right | Right | 6' 5" | 205 lbs | - |
| Morrison, Logan | 1B | Boston Red Sox | 31 | 08/25/1987 | Kansas City | USA | Left | Left | 6' 3" | 245 lbs | $4,000,000 |
| Morrison, Mike | RP | Free Agent | 25 | 09/22/1993 | Batesburg-Leesville | USA | Right | Right | 6' 2" | 195 lbs | - |
| Morrison, Preston | SP | Free Agent | 25 | 07/19/1993 | Waxhaw | USA | Right | Right | 6' 3" | 185 lbs | - |
| Morrow, Brandon | RP | Baltimore Orioles | 34 | 07/26/1984 | Santa Rosa | USA | Right | Right | 6' 3" | 205 lbs | $9,000,000 |
| Morrow, Matt | RF | Free Agent | 23 | 01/09/1996 | Richmond | USA | Left | Right | 5' 10" | 180 lbs | - |
| Morse, Colin | RP | Free Agent | 22 | 05/16/1996 | Vienna | USA | Right | Right | 6' 5" | 185 lbs | - |
| Morse, Phil | RP | Free Agent | 24 | 05/23/1994 | Vienna | USA | Right | Right | 6' 2" | 195 lbs | - |
| Morton, Charlie | SP | Cincinnati Reds | 35 | 11/12/1983 | Flemington | USA | Right | Right | 6' 5" | 235 lbs | $28,000,000 |
| Moseley, Ryan | RP | Free Agent | 24 | 10/06/1994 | Lubbock | USA | Right | Right | 6' 3" | 190 lbs | - |
| Moses, DeAires | CF | Free Agent | 23 | 11/30/1995 | Goodlettsville | USA | Left | Left | 5' 9" | 170 lbs | - |
| Moss, Benton | RP | Free Agent | 26 | 02/21/1993 | Enfield | USA | Right | Right | 6' 2" | 195 lbs | - |
| Mosser, Gabe | RP | Free Agent | 22 | 06/08/1996 | Unknown | USA | Right | Right | 6' 4" | 180 lbs | - |
| Mota, Ryan | SP | Free Agent | 23 | 04/13/1996 | Fontana | USA | Right | Right | 6' 3" | 210 lbs | - |
| Mota, Sandy | 3B | Free Agent | 22 | 09/25/1996 | San Pedro de Macorís | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Motley, Nic | C | Free Agent | 22 | 08/01/1996 | Southlake | USA | Right | Right | 6' 3" | 210 lbs | - |
| Motter, Taylor | 1B | Milwaukee Brewers | 29 | 09/18/1989 | Palm Beach Gardens | USA | Right | Right | 6' 1" | 195 lbs | $545,000 |
| Mottice, Kyle | 2B | Free Agent | 23 | 01/18/1996 | Akron | USA | Left | Right | 6' 0" | 185 lbs | - |
| Mount, Drew | CF | Free Agent | 23 | 03/24/1996 | Santa Clara | USA | Left | Right | 5' 11" | 205 lbs | - |
| Moustakas, Mike | 3B | Toronto Blue Jays | 30 | 09/11/1988 | Los Angeles | USA | Left | Right | 6' 0" | 225 lbs | $20,000,000 |
| Moyer, Hutton | 2B | Free Agent | 26 | 04/30/1993 | Rancho Santa Fe | USA | Switch | Right | 6' 1" | 185 lbs | - |
| Moyers, Steven | RP | Free Agent | 25 | 09/27/1993 | Sharon | USA | Right | Left | 6' 0" | 190 lbs | - |
| Muckenhirn, Zach | RP | Free Agent | 24 | 02/27/1995 | Delano | USA | Left | Left | 6' 1" | 185 lbs | - |
| Mueller, Jake | SS | Free Agent | 22 | 11/15/1996 | Columbia | USA | Right | Right | 6' 2" | 190 lbs | - |
| Mueses, Victor | RP | Free Agent | 23 | 10/13/1995 | Santo Domingo | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Muhammad, Jeremiah | RP | Free Agent | 24 | 11/14/1994 | Somerset | USA | Right | Right | 6' 5" | 215 lbs | - |
| Mulholland, Jake | SP | Free Agent | 22 | 03/04/1997 | Snohomish | USA | Left | Left | 6' 2" | 190 lbs | - |
| Mullen, Robert | C | Free Agent | 22 | 05/23/1996 | Panama | PAN | Right | Right | 5' 11" | 225 lbs | - |
| Mullen, Sean | SP | Free Agent | 19 | 08/18/1999 | Bakersfield | USA | Right | Right | 6' 1" | 185 lbs | - |
| Muller, Chris | RP | Free Agent | 23 | 04/22/1996 | Dallas | USA | Right | Right | 6' 5" | 210 lbs | - |
| Mullins, Isaac | SP | Free Agent | 21 | 03/29/1998 | North Bend | USA | Left | Left | 6' 2" | 195 lbs | - |
| Mumper, Marc | SS | Free Agent | 22 | 06/17/1996 | Unknown | USA | Right | Right | 5' 10" | 155 lbs | - |
| Muncy, Max | 1B | Texas Rangers | 28 | 08/25/1990 | Keller | USA | Left | Right | 6' 0" | 210 lbs | $545,000 |
| Mundell, Garrett | RP | Free Agent | 26 | 02/16/1993 | Lake Forest | USA | Right | Right | 6' 6" | 245 lbs | - |
| Mundy, Andrew | RP | Free Agent | 22 | 04/03/1997 | Lake Grove | USA | Right | Right | 6' 1" | 220 lbs | - |
| Mundy, Joe | 3B | Free Agent | 23 | 12/10/1995 | Melbourne | USA | Left | Right | 6' 2" | 200 lbs | - |
| Muno, JJ | RF | Free Agent | 25 | 12/21/1993 | Manhattan Beach | USA | Left | Right | 5' 11" | 190 lbs | - |
| Munoz, Joel | C | Free Agent | 22 | 12/26/1996 | Santo Domingo | DOM | Right | Right | 5' 10" | 155 lbs | - |
| Munoz, Luis Francis | SP | Free Agent | 22 | 11/04/1996 | Tenares | DOM | Right | Right | 6' 1" | 220 lbs | - |
| Munoz, Yairo | 2B | San Francisco Giants | 24 | 01/23/1995 | Nagua | DOM | Right | Right | 6' 1" | 200 lbs | $545,000 |
| Munroe, Reshard | LF | Free Agent | 22 | 06/15/1996 | Freeport | BAH | Left | Left | 6' 0" | 170 lbs | - |
| Muntz, Shane | RP | Free Agent | 20 | 02/23/1999 | Phoenixville | USA | Right | Right | 6' 4" | 240 lbs | - |
| Murdock, Noah | SP | Free Agent | 20 | 08/20/1998 | Colonial Heights | USA | Right | Right | 6' 8" | 170 lbs | - |
| Murfee, Penn | SP | Free Agent | 24 | 05/02/1994 | Nashville | USA | Right | Right | 6' 2" | 195 lbs | - |
| Murillo, Sebastian | SS | Free Agent | 19 | 08/12/1999 | Huntington Beach | USA | Right | Right | 5' 11" | 165 lbs | - |
| Murphy, Alex | C | Chicago White Sox | 24 | 10/05/1994 | Calvert Beach-Long Beach | USA | Right | Right | 5' 11" | 210 lbs | $545,000 |
| Murphy, Chandler | SP | Free Agent | 18 | 12/18/2000 | Peoria | USA | Left | Right | 6' 3" | 195 lbs | - |
| Murphy, Daniel | 2B | Baltimore Orioles | 34 | 04/01/1985 | Jacksonville | USA | Left | Right | 6' 1" | 220 lbs | $27,000,000 |
| Murphy, Jimmy | RP | Free Agent | 24 | 10/14/1994 | South Orange | USA | Right | Right | 5' 11" | 195 lbs | - |
| Murphy, John | SP | Free Agent | 22 | 12/11/1996 | Merchantville | USA | Right | Right | 6' 4" | 240 lbs | - |
| Murphy, John Ryan | C | Atlanta Braves | 27 | 05/13/1991 | Bradenton | USA | Right | Right | 5' 11" | 205 lbs | $800,000 |
| Murphy, Luke | SP | Free Agent | 19 | 11/05/1999 | Springfield | USA | Right | Right | 6' 4" | 170 lbs | - |
| Murphy, Taylor | LF | Free Agent | 26 | 11/03/1992 | Solana Beach | USA | Left | Right | 6' 2" | 200 lbs | - |
| Murrah, Rion | RP | Free Agent | 24 | 12/21/1994 | Bainbridge | USA | Right | Right | 6' 0" | 180 lbs | - |
| Murray, Chase | LF | Free Agent | 20 | 07/05/1998 | Cincinnati | USA | Left | Right | 6' 0" | 190 lbs | - |
| Murray, Michael | RP | Free Agent | 25 | 09/26/1993 | West Palm Beach | USA | Right | Right | 6' 3" | 215 lbs | - |
| Murray, Tyler | C | Free Agent | 22 | 12/25/1996 | Huntington Beach | USA | Right | Right | 6' 0" | 215 lbs | - |
| Musa, Isaiah | RP | Free Agent | 22 | 04/08/1997 | Miami | USA | Right | Right | 6' 0" | 170 lbs | - |
| Musgrove, Joe | SP | San Diego Padres | 26 | 12/04/1992 | El Cajon | USA | Right | Right | 6' 5" | 230 lbs | $545,000 |
| Musial, Jacob | LF | Free Agent | 23 | 02/03/1996 | Fetters Hot Springs-Agua Caliente | USA | Switch | Right | 5' 10" | 175 lbs | - |
| Musselwhite, Tyler | SS | Free Agent | 21 | 07/25/1997 | Lumberton | USA | Switch | Right | 5' 11" | 170 lbs | - |
| Myers, BJ | RP | Free Agent | 24 | 04/28/1995 | Flower Mound | USA | Right | Right | 6' 0" | 195 lbs | - |
| Myers, Connor | CF | Free Agent | 25 | 02/03/1994 | Middletown | USA | Right | Right | 5' 11" | 170 lbs | - |
| Myers, DJ | RP | Free Agent | 24 | 12/24/1994 | San Diego | USA | Left | Right | 6' 5" | 265 lbs | - |
| Myers, Wil | 1B | Los Angeles Angels | 28 | 12/10/1990 | High Point | USA | Right | Right | 6' 3" | 205 lbs | $3,000,000 |
| Myrick, Tyler | SP | Free Agent | 20 | 06/25/1998 | Lake City | USA | Right | Right | 5' 11" | 180 lbs | - |
| Myrow, Jordan | LF | Free Agent | 22 | 07/18/1996 | Los Angeles | USA | Right | Right | 5' 11" | 185 lbs | - |
