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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mabine, Tyshawn | C | Free Agent | 18 | 06/16/2016 | Minneapolis | USA | Left | Right | 5' 11" | 185 lbs | - |
| Mabone, Shamel | C | Free Agent | 20 | 02/07/2014 | Columbus | USA | Switch | Right | 6' 3" | 215 lbs | - |
| MacCloughry, Raghnall | RF | Seattle Mariners | 25 | 04/11/2009 | Los Angeles | USA | Left | Right | 6' 4" | 200 lbs | $555,000 |
| Macdonald, Rhys | 3B | Free Agent | 20 | 05/12/2014 | Aiea | USA | Right | Right | 6' 0" | 190 lbs | - |
| MacDuff, Jamie | 1B | Free Agent | 21 | 03/08/2013 | Taylors | USA | Left | Left | 6' 6" | 215 lbs | - |
| Mach, Eddie | RP | Free Agent | 31 | 05/24/2003 | West Puente Valley | USA | Left | Right | 6' 2" | 195 lbs | - |
| Maciejko, Tim | CF | Free Agent | 21 | 07/16/2013 | Palm Bay | USA | Right | Right | 6' 0" | 185 lbs | - |
| Maciel, Luis | SP | Milwaukee Brewers | 18 | 08/08/2016 | Maturín | VEN | Right | Right | 6' 4" | 180 lbs | - |
| Mack, Jeff | SP | Free Agent | 20 | 10/16/2014 | Nacogdoches | USA | Right | Right | 6' 2" | 185 lbs | - |
| Mack, Joe | C | Houston Astros | 31 | 12/27/2002 | Williamsville | USA | Left | Right | 6' 2" | 200 lbs | $12,000,000 |
| Mackie, Jaheim | RP | Free Agent | 16 | 09/22/2018 | New York | USA | Right | Right | 6' 4" | 180 lbs | - |
| Maday, J.D. | RP | Free Agent | 21 | 01/17/2013 | Park Forest | USA | Right | Right | 6' 0" | 180 lbs | - |
| Madden, Mike | SP | Cincinnati Reds | 29 | 10/21/2005 | East Haven | USA | Left | Left | 5' 10" | 180 lbs | $3,484,800 |
| Madden, Mitch | SP | Free Agent | 18 | 08/29/2016 | Havre | USA | Right | Right | 6' 2" | 180 lbs | - |
| Madrid, Juan | SP | Detroit Tigers | 16 | 06/22/2018 | Villa Altagracia | DOM | Left | Right | 5' 10" | 160 lbs | - |
| Madrigal, Juan | SP | St. Louis Cardinals | 18 | 10/09/2016 | Rincon | ANT | Right | Right | 6' 4" | 195 lbs | - |
| Madrigal, Luis | SP | Free Agent | 21 | 12/17/2012 | Santa Clara | USA | Right | Right | 6' 6" | 225 lbs | - |
| Madrigal, Nick | 2B | Free Agent | 37 | 03/05/1997 | Elk Grove | USA | Right | Right | 5' 7" | 200 lbs | - |
| Maes, Rogelio | LF | Washington Nationals | 27 | 03/04/2007 | Santo Domingo | DOM | Left | Right | 6' 4" | 200 lbs | $800,000 |
| Magallon, Sergio | 2B | Free Agent | 25 | 04/15/2009 | Caracas | VEN | Right | Right | 6' 2" | 195 lbs | - |
| Magana, Jorge | SP | Arizona Diamondbacks | 18 | 04/04/2016 | Cabimas | VEN | Right | Right | 6' 4" | 185 lbs | - |
| Magana, Lupe | CF | Free Agent | 16 | 09/15/2018 | Tamboril | DOM | Right | Right | 6' 0" | 165 lbs | - |
| Maggio, Zach | RP | Free Agent | 15 | 04/23/2019 | Dayton | USA | Left | Left | 6' 3" | 170 lbs | - |
| Magny, Jaheim | RP | Free Agent | 22 | 06/18/2012 | Charlotte | USA | Left | Left | 6' 5" | 195 lbs | - |
| Magoni, Luis | LF | Houston Astros | 19 | 07/22/2015 | Maracay | VEN | Left | Left | 6' 2" | 195 lbs | - |
| Mahan, Pat | RP | Free Agent | 22 | 02/02/2012 | Chicago | USA | Left | Left | 6' 0" | 195 lbs | - |
| Mahoney, Pat | SP | Free Agent | 21 | 03/13/2013 | Patterson Township | USA | Left | Left | 5' 10" | 175 lbs | - |
| Mahood, Jeff | SP | Free Agent | 16 | 06/14/2018 | Piedmont | USA | Left | Right | 6' 4" | 185 lbs | - |
| Majano, Ernesto | 2B | New York Mets | 25 | 02/05/2009 | Guarenas | VEN | Left | Right | 6' 0" | 185 lbs | $3,400,000 |
| Makell, Jaquan | 2B | Free Agent | 20 | 11/21/2014 | Gilbert | USA | Right | Right | 6' 0" | 190 lbs | - |
| Makle, Tyrese | RP | Free Agent | 16 | 08/25/2018 | Dallas | USA | Left | Right | 6' 0" | 170 lbs | - |
| Malanga, Jon | RP | Free Agent | 16 | 06/03/2018 | St. Paul | USA | Right | Right | 6' 0" | 165 lbs | - |
| Maldonado, Brad | RP | Free Agent | 18 | 07/07/2016 | Peoria | USA | Left | Left | 6' 5" | 200 lbs | - |
| Maldonado, Humberto | RF | Arizona Diamondbacks | 16 | 05/18/2018 | Maracay | VEN | Left | Left | 6' 0" | 170 lbs | - |
| Maldonado, Juan | SP | Cincinnati Reds | 19 | 12/04/2014 | Monte Cristi | DOM | Left | Left | 6' 6" | 190 lbs | - |
| Maldonado, Luis | SP | St. Louis Cardinals | 17 | 10/27/2017 | Cana Chapetón | DOM | Right | Right | 6' 1" | 180 lbs | - |
| Maldonado, Luis | C | Tampa Bay Rays | 20 | 11/11/2014 | Tonala | MEX | Right | Right | 6' 1" | 195 lbs | - |
| Maldonado, Sergio | C | Free Agent | 16 | 08/06/2018 | Los Angeles | USA | Right | Right | 6' 2" | 185 lbs | - |
| Malich, Josh | SP | Free Agent | 17 | 09/14/2017 | Buttonwillow | USA | Right | Right | 5' 11" | 160 lbs | - |
| Malick, Jeremy | SP | Free Agent | 16 | 06/28/2018 | Redford Township | USA | Right | Right | 6' 6" | 190 lbs | - |
| Malone, Brennan | SP | New York Mets | 34 | 09/08/2000 | Matthews | USA | Right | Right | 6' 4" | 190 lbs | $17,000,000 |
| Maloney, Chris | CF | Kansas City Royals | 29 | 08/14/2005 | Bridgeport | USA | Right | Left | 6' 3" | 195 lbs | $2,580,000 |
| Maltman, Seb | SP | Kansas City Royals | 18 | 08/22/2016 | Cairns | AUS | Right | Right | 6' 3" | 185 lbs | - |
| Malveaux, Zion | SP | Free Agent | 20 | 02/01/2014 | Chicago | USA | Right | Right | 6' 3" | 185 lbs | - |
| Malvo, Andy | SP | Free Agent | 17 | 11/04/2017 | San Antonio | USA | Right | Right | 6' 2" | 180 lbs | - |
| Mancilla, Arturo | SP | Chicago White Sox | 17 | 12/31/2016 | Cabimas | VEN | Switch | Right | 6' 3" | 190 lbs | - |
| Mancilla, Luis | SP | Free Agent | 27 | 11/14/2007 | Santo Domingo | DOM | Right | Right | 5' 10" | 180 lbs | - |
| Mancini, Chris | RP | Free Agent | 17 | 11/07/2017 | Milwaukee | USA | Right | Right | 6' 0" | 170 lbs | - |
| Mandry, Luis | C | Houston Astros | 17 | 04/27/2017 | Santo Domingo | DOM | Right | Right | 6' 5" | 200 lbs | - |
| Mangan, Doug | SP | Free Agent | 21 | 04/23/2013 | Bensalem Township | USA | Left | Left | 5' 9" | 165 lbs | - |
| Mangual, Juan | SP | Free Agent | 33 | 08/08/2001 | Carolina | PUR | Left | Left | 6' 2" | 200 lbs | - |
| Manjarrez, Ernesto | RP | Pittsburgh Pirates | 27 | 06/08/2007 | Indianapolis | USA | Right | Right | 6' 1" | 200 lbs | $555,000 |
| Mann, Gene | SP | Free Agent | 26 | 12/21/2007 | Rancho Alegre | USA | Left | Left | 6' 5" | 220 lbs | - |
| Manzano, Juan | SS | Free Agent | 16 | 02/01/2018 | Barquisimeto | VEN | Right | Right | 6' 2" | 170 lbs | - |
| Manzueta, Rogelio | LF | Free Agent | 15 | 12/10/2018 | Kingsland | USA | Switch | Right | 6' 2" | 190 lbs | - |
| Marcano, Tucupita | 2B | Free Agent | 35 | 09/16/1999 | Tucupita | VEN | Left | Right | 6' 0" | 200 lbs | - |
| Marcelino, Hansel | RP | Free Agent | 32 | 06/16/2002 | Santiago | DOM | Right | Right | 6' 1" | 185 lbs | - |
| Marchionni, Jon | SP | Colorado Rockies | 27 | 06/08/2007 | Tempe | USA | Left | Left | 6' 1" | 200 lbs | $2,652,000 |
| Marcum, Ben | LF | Free Agent | 18 | 09/14/2016 | Camano | USA | Left | Right | 6' 3" | 205 lbs | - |
| Mardis, Stephon | RP | Free Agent | 16 | 06/20/2018 | Waco | USA | Right | Right | 6' 3" | 180 lbs | - |
| Marfil, Jorge | C | Chicago Cubs | 16 | 03/09/2018 | Anaco | VEN | Right | Right | 6' 6" | 230 lbs | - |
| Marfo, Deshawn | SP | Free Agent | 17 | 08/31/2017 | Albany | USA | Switch | Right | 6' 2" | 180 lbs | - |
| Mariscal, Victorio | SP | Washington Nationals | 16 | 02/27/2018 | Santiago | DOM | Right | Left | 6' 4" | 180 lbs | - |
| Markes, Josh | 3B | Free Agent | 18 | 11/01/2016 | Siloam Springs | USA | Left | Right | 6' 1" | 180 lbs | - |
| Markley, Juan | RP | Free Agent | 25 | 03/20/2009 | Roosevelt | USA | Left | Left | 6' 2" | 190 lbs | - |
| Marks, Chris | RP | Free Agent | 22 | 06/02/2012 | Atlanta | USA | Right | Right | 6' 0" | 180 lbs | - |
| Maroul, Mike | C | Detroit Tigers | 25 | 05/11/2009 | Ft. Worth | USA | Switch | Right | 6' 1" | 200 lbs | $555,000 |
| Marquez, Jose Alejandro | RP | Detroit Tigers | 33 | 12/01/2001 | Cumana | VEN | Right | Right | 6' 6" | 205 lbs | $8,000,000 |
| Marroquin, Jorge | CL | Free Agent | 20 | 09/27/2014 | San Juan | PUR | Left | Left | 6' 5" | 200 lbs | - |
| Marrow, Chris | SS | Free Agent | 20 | 08/19/2014 | Niskayuna | USA | Right | Right | 6' 0" | 180 lbs | - |
| Marseille, Alpha | SP | Free Agent | 16 | 01/02/2018 | Rockwall | USA | Right | Right | 6' 4" | 180 lbs | - |
| Marsh, Jeff | SP | Free Agent | 17 | 06/19/2017 | Forney | USA | Right | Right | 6' 7" | 200 lbs | - |
| Marsh, Kurtis | 2B | Free Agent | 18 | 10/03/2016 | Montclair | USA | Switch | Right | 6' 3" | 200 lbs | - |
| Marshall, Ben | SS | Free Agent | 18 | 05/10/2016 | Harker Heights | USA | Right | Right | 6' 0" | 185 lbs | - |
| Marshall, Chris | SP | Free Agent | 21 | 11/15/2013 | Hampton | USA | Left | Right | 6' 6" | 200 lbs | - |
| Marshall, Ian | 3B | Chicago Cubs | 27 | 07/02/2007 | Brooklyn | USA | Right | Right | 6' 0" | 200 lbs | $4,251,600 |
| Marte, Jelfry | 2B | Free Agent | 33 | 03/27/2001 | La Vega | DOM | Switch | Right | 5' 10" | 185 lbs | - |
| Marte, Juan | SS | San Diego Padres | 16 | 12/07/2017 | Santa Marta | COL | Right | Right | 6' 2" | 185 lbs | - |
| Marte, Noelvi | 2B | San Diego Padres | 33 | 10/16/2001 | Cotuí | DOM | Right | Right | 6' 1" | 200 lbs | $1,100,000 |
| Martelly, Levi | 2B | Boston Red Sox | 30 | 05/31/2004 | Huntington Beach | USA | Switch | Right | 6' 2" | 200 lbs | $45,000,000 |
| Marti, Luis | CF | Seattle Mariners | 18 | 11/20/2016 | Santo Domingo | DOM | Right | Right | 6' 2" | 185 lbs | - |
| Martin, Abel | RF | Los Angeles Angels | 23 | 11/19/2011 | Franklin | USA | Left | Left | 6' 4" | 210 lbs | $555,000 |
| Martin, Alan | RP | Free Agent | 20 | 08/08/2014 | Town and Country | USA | Left | Left | 6' 5" | 205 lbs | - |
| Martin, Ben | SS | Free Agent | 29 | 04/13/2005 | Makawao | USA | Right | Right | 6' 1" | 200 lbs | - |
| Martin, Brendan | SP | Free Agent | 20 | 09/08/2014 | Lathrop | USA | Left | Right | 6' 2" | 190 lbs | - |
| Martin, Chad | SP | Free Agent | 18 | 06/22/2016 | Peterborough | USA | Right | Right | 6' 1" | 170 lbs | - |
| Martin, Chris | SP | Free Agent | 17 | 10/14/2017 | Mesa | USA | Right | Right | 6' 5" | 185 lbs | - |
| Martin, Chris | SP | Free Agent | 17 | 06/16/2017 | River Vale | USA | Left | Left | 6' 1" | 170 lbs | - |
| Martin, Jeremy | RP | Cleveland Guardians | 29 | 09/16/2005 | Pacific | USA | Right | Right | 6' 6" | 200 lbs | $555,000 |
| Martin, Mike | 2B | Free Agent | 20 | 02/03/2014 | Sunnyvale | USA | Left | Right | 6' 2" | 195 lbs | - |
| Martin, Tommie | 1B | Free Agent | 16 | 05/30/2018 | Milwaukee | USA | Right | Right | 6' 3" | 210 lbs | - |
| Martiner, Esteban | LF | Oakland Athletics | 25 | 12/08/2008 | Mims | USA | Right | Right | 6' 4" | 220 lbs | $19,800,000 |
| Martinez, Leudy | RP | Baltimore Orioles | 34 | 06/09/2000 | Santo Domingo | DOM | Right | Right | 6' 2" | 195 lbs | $2,640,000 |
| Martinez, Orelvis | 2B | Minnesota Twins | 33 | 11/19/2001 | Santo Domingo | DOM | Right | Right | 6' 1" | 200 lbs | $3,000,000 |
| Martz, Joe | C | Free Agent | 20 | 01/16/2014 | Mahanoy City | USA | Switch | Right | 6' 0" | 190 lbs | - |
| Masarenhas, Bernaldyn | RF | Arizona Diamondbacks | 18 | 08/12/2016 | Coro | VEN | Right | Right | 6' 6" | 200 lbs | - |
| Mash, Brad | SP | Free Agent | 21 | 05/04/2013 | Forest Park | USA | Left | Left | 6' 4" | 195 lbs | - |
| Masolino, Juan | LF | Arizona Diamondbacks | 18 | 07/18/2016 | Ciudad Guayana | VEN | Right | Right | 6' 1" | 185 lbs | - |
| Massie, Bobby | SP | Free Agent | 20 | 12/21/2013 | Mission | USA | Switch | Right | 6' 6" | 205 lbs | - |
| Massie, Chris | SP | Free Agent | 21 | 04/14/2013 | Lawnton | USA | Left | Right | 6' 7" | 215 lbs | - |
| Mata, Jorge | CF | Free Agent | 16 | 02/22/2018 | Vega Baja | PUR | Right | Right | 6' 0" | 165 lbs | - |
| Mata, Juan | SS | San Francisco Giants | 16 | 12/04/2017 | Santiago | DOM | Right | Right | 6' 4" | 200 lbs | - |
| Mata, Juan | RF | Tampa Bay Rays | 18 | 05/04/2016 | Santiago | DOM | Left | Left | 6' 4" | 200 lbs | - |
| Mata, Juan | SP | Milwaukee Brewers | 19 | 08/31/2015 | Guarenas | VEN | Right | Right | 6' 2" | 175 lbs | - |
| Mata, Juan | LF | Detroit Tigers | 27 | 02/20/2007 | Yabucoa | PUR | Right | Right | 6' 3" | 200 lbs | $4,060,000 |
| Mateo, Oliver | RP | Milwaukee Brewers | 37 | 11/07/1997 | Barahona | DOM | Right | Right | 6' 2" | 170 lbs | $2,620,800 |
| Matkin, Cletus | 3B | Free Agent | 18 | 09/21/2016 | Bécancour | CAN | Right | Right | 6' 3" | 190 lbs | - |
| Matos, Juan | SP | Chicago Cubs | 16 | 04/03/2018 | Higüey | DOM | Right | Left | 6' 4" | 180 lbs | - |
| Matos, Juan | 1B | San Francisco Giants | 32 | 05/14/2002 | Colombia | CUB | Right | Right | 6' 0" | 200 lbs | $4,733,400 |
| Matos, Juan | SP | Free Agent | 27 | 03/21/2007 | Juventino Rosas | MEX | Right | Right | 6' 3" | 185 lbs | - |
| Matos, Juan | SP | Arizona Diamondbacks | 30 | 01/29/2004 | Santiago | DOM | Left | Right | 6' 10" | 195 lbs | $3,640,000 |
| Mattes, Ben | SP | Free Agent | 19 | 11/12/2015 | Muscoy | USA | Right | Right | 5' 10" | 165 lbs | - |
| Matthews, B.J. | CF | Free Agent | 18 | 06/06/2016 | Plymouth Township | USA | Right | Right | 6' 2" | 175 lbs | - |
| Matthews, Chris | RP | Los Angeles Angels | 27 | 01/24/2007 | Colorado Springs | USA | Left | Left | 6' 4" | 200 lbs | $555,000 |
| Mattson, Joey | C | Free Agent | 20 | 02/24/2014 | Bakersfield | USA | Right | Right | 5' 10" | 180 lbs | - |
| Matute, Jorge | SS | Chicago White Sox | 29 | 03/31/2005 | Bonao | DOM | Right | Right | 6' 1" | 195 lbs | $6,300,000 |
| Mauck, Branden | LF | Free Agent | 17 | 02/16/2017 | New York | USA | Right | Left | 6' 3" | 190 lbs | - |
| Maurath, Andy | C | Free Agent | 20 | 06/26/2014 | Wixom | USA | Switch | Right | 6' 1" | 195 lbs | - |
| Mauricio, Ronny | 2B | Los Angeles Angels | 33 | 04/04/2001 | Santo Domingo | DOM | Switch | Right | 6' 3" | 200 lbs | $15,000,000 |
| May, Darren | 3B | Free Agent | 23 | 11/02/2011 | Lincoln | USA | Right | Right | 6' 1" | 185 lbs | - |
| May, Dustin | SP | Philadelphia Phillies | 37 | 09/06/1997 | Justin | USA | Right | Right | 6' 6" | 200 lbs | $8,500,000 |
| Maya, Luis | CF | Free Agent | 16 | 03/05/2018 | San Pedro de Macorís | DOM | Right | Right | 6' 4" | 175 lbs | - |
| Mayberry, Ben | CF | Free Agent | 18 | 06/29/2016 | Shively | USA | Left | Left | 6' 1" | 175 lbs | - |
| Mayeaux, Curt | 3B | Free Agent | 17 | 05/19/2017 | Grapevine | USA | Right | Right | 6' 0" | 170 lbs | - |
| McAfee, Josh | SS | Free Agent | 21 | 11/16/2013 | Miami Beach | USA | Right | Right | 6' 0" | 185 lbs | - |
| McBride, Jeremy | CF | Free Agent | 17 | 10/05/2017 | Spring Valley | USA | Left | Left | 6' 4" | 200 lbs | - |
| McBride, Pat | C | Free Agent | 16 | 12/10/2017 | Brooklyn | USA | Right | Right | 6' 1" | 185 lbs | - |
| McCain, Sam | LF | Free Agent | 17 | 03/10/2017 | Rio Communities | USA | Switch | Right | 6' 4" | 185 lbs | - |
| McCall, Mike | RP | Baltimore Orioles | 24 | 08/19/2010 | Fayetteville | USA | Left | Left | 6' 8" | 200 lbs | $555,000 |
| McCane, Nate | SP | Free Agent | 17 | 09/25/2017 | Piney Green | USA | Right | Right | 5' 11" | 160 lbs | - |
| McCanna, Joel | SP | Free Agent | 18 | 06/17/2016 | Joliet | USA | Right | Right | 6' 4" | 185 lbs | - |
| McCartney, Jim | RP | Free Agent | 21 | 10/07/2013 | Colesville | USA | Left | Left | 6' 2" | 195 lbs | - |
| McCauley, Joe | RP | Free Agent | 17 | 10/21/2017 | Fircrest | USA | Right | Right | 6' 7" | 200 lbs | - |
| McClure, Jimmy | CF | Free Agent | 17 | 12/09/2016 | St. Louis | USA | Left | Left | 6' 2" | 185 lbs | - |
| McClure, Pat | SS | Free Agent | 21 | 04/14/2013 | Phenix City | USA | Left | Right | 6' 4" | 200 lbs | - |
| McConnell, Tim | RP | Free Agent | 16 | 09/24/2018 | Independence | USA | Left | Right | 5' 11" | 165 lbs | - |
| McCoo, Tyrese | C | Cincinnati Reds | 27 | 06/24/2007 | Pompano Beach | USA | Right | Right | 5' 10" | 185 lbs | $555,000 |
| McCormick, Jared | SP | Free Agent | 19 | 06/27/2015 | Honolulu | USA | Right | Right | 6' 0" | 165 lbs | - |
| McCoy, Bobby | SP | Free Agent | 21 | 07/18/2013 | Rio Linda | USA | Switch | Right | 6' 2" | 195 lbs | - |
| McCoy, Chris | SS | Seattle Mariners | 28 | 03/05/2006 | Farmington Hills | USA | Right | Right | 6' 1" | 200 lbs | $555,000 |
| McCoy, Jimmy | CF | Free Agent | 17 | 08/29/2017 | Sunnyvale | USA | Left | Left | 6' 0" | 170 lbs | - |
| McDonald, Dan | SS | Free Agent | 21 | 04/27/2013 | Rock Island | USA | Right | Right | 6' 0" | 180 lbs | - |
| McDonald, Jeff | SP | Free Agent | 18 | 06/02/2016 | Waukesha | USA | Switch | Right | 6' 3" | 190 lbs | - |
| McDonald, Pete | RP | Free Agent | 23 | 12/09/2010 | East Prairie | USA | Left | Left | 6' 0" | 190 lbs | - |
| McDonough, Eric | C | Free Agent | 17 | 08/18/2017 | Chester | USA | Right | Right | 6' 4" | 200 lbs | - |
| McDougal, Chad | 2B | New York Mets | 24 | 08/30/2010 | Indianapolis | USA | Right | Right | 6' 1" | 195 lbs | $555,000 |
| McDowell, Ian | CF | Miami Marlins | 25 | 06/12/2009 | Lemon Grove | USA | Right | Right | 6' 2" | 200 lbs | $555,000 |
| McDowell, Jonathan | SP | Free Agent | 18 | 10/23/2016 | Log Lane Village | USA | Right | Right | 6' 4" | 190 lbs | - |
| McElroy, Tommy | RP | Free Agent | 16 | 09/09/2018 | Mission | USA | Switch | Left | 6' 1" | 165 lbs | - |
| McEnaney, Caleb | SP | Free Agent | 18 | 06/08/2016 | San Juan | USA | Right | Right | 5' 11" | 170 lbs | - |
| McField, Amare | 1B | Pittsburgh Pirates | 26 | 09/16/2008 | Burbank (Los Angeles County) | USA | Switch | Right | 6' 4" | 205 lbs | $555,000 |
| McGaskey, Chris | 2B | Free Agent | 17 | 10/29/2017 | McKinney | USA | Right | Right | 6' 0" | 165 lbs | - |
| McGonegal, Steve | RP | Free Agent | 16 | 07/10/2018 | Elkhart | USA | Right | Right | 5' 9" | 145 lbs | - |
| McGuire, Andy | SP | Los Angeles Dodgers | 34 | 10/12/2000 | Atlanta | USA | Right | Right | 6' 1" | 200 lbs | $2,600,000 |
| McGuire, Mike | SP | Free Agent | 19 | 05/12/2015 | San Jose | USA | Right | Right | 6' 5" | 185 lbs | - |
| McKain, J.J. | RP | Free Agent | 18 | 06/28/2016 | Salem | USA | Left | Left | 6' 0" | 170 lbs | - |
| McKee, Rob | RP | Free Agent | 22 | 12/10/2011 | West Orange | USA | Left | Left | 6' 2" | 195 lbs | - |
| McKenzie, Dave | CF | Free Agent | 17 | 06/29/2017 | Memphis | USA | Right | Left | 6' 2" | 180 lbs | - |
| McKibbin, Joe | 1B | Boston Red Sox | 25 | 01/08/2009 | West Linn | USA | Left | Right | 6' 1" | 200 lbs | $555,000 |
| McKinnie, Brendan | RP | Free Agent | 15 | 06/01/2019 | Glendale | USA | Left | Left | 6' 3" | 175 lbs | - |
| McLaughlin, Mike | SP | Free Agent | 21 | 08/26/2013 | Yelm | USA | Left | Right | 6' 0" | 175 lbs | - |
| McLernon, Dan | RP | Free Agent | 16 | 06/05/2018 | San Antonio | USA | Left | Right | 6' 7" | 195 lbs | - |
| McManus, Bob | RP | Free Agent | 24 | 07/28/2010 | Spokane | USA | Left | Left | 6' 4" | 200 lbs | - |
| McManus, Kevin | CF | Free Agent | 15 | 12/08/2018 | Sioux Falls | USA | Right | Left | 6' 1" | 165 lbs | - |
| McMillion, Jake | SP | Free Agent | 18 | 07/09/2016 | Midwest City | USA | Right | Right | 6' 3" | 180 lbs | - |
| McMullen, Jeremy | CF | Free Agent | 20 | 05/29/2014 | Dale City | USA | Switch | Right | 6' 0" | 175 lbs | - |
| McNamara, Mike | RF | Free Agent | 17 | 08/14/2017 | Parma | USA | Left | Left | 6' 3" | 190 lbs | - |
| McNeely, Dan | SP | Free Agent | 20 | 01/05/2014 | San Antonio | USA | Right | Right | 6' 0" | 185 lbs | - |
| McPhee, Josh | SS | Free Agent | 20 | 01/23/2014 | Brainerd | USA | Right | Right | 5' 10" | 160 lbs | - |
| McQuade, Robby | 1B | Free Agent | 30 | 10/19/2004 | Villas | USA | Right | Right | 6' 6" | 210 lbs | - |
| McQueen, Randy | 3B | Free Agent | 22 | 07/19/2012 | Detroit | USA | Right | Right | 6' 0" | 195 lbs | - |
| Meader, Chris | RP | Free Agent | 18 | 08/31/2016 | Washington | USA | Right | Right | 6' 6" | 200 lbs | - |
| Meador, Jacob | SP | Chicago Cubs | 34 | 10/26/2000 | Burleson | USA | Right | Right | 5' 11" | 190 lbs | $27,200,000 |
| Meadows, Bert | SS | Free Agent | 18 | 06/17/2016 | Los Angeles | USA | Right | Right | 6' 4" | 185 lbs | - |
| Medina, Alfredo | SP | Milwaukee Brewers | 18 | 02/22/2016 | Villa Altagracia | DOM | Right | Right | 6' 4" | 190 lbs | - |
| Medina, Alfredo | SS | Boston Red Sox | 18 | 07/04/2016 | Santo Domingo | DOM | Switch | Right | 6' 2" | 180 lbs | - |
| Medina, Arturo | RF | Minnesota Twins | 18 | 11/19/2016 | Barranquilla | COL | Left | Left | 6' 0" | 175 lbs | - |
| Medina, Ernesto | LF | Pittsburgh Pirates | 25 | 03/28/2009 | Santo Domingo | DOM | Right | Right | 6' 2" | 200 lbs | $555,000 |
| Medina, Federico | SP | Toronto Blue Jays | 16 | 05/05/2018 | Santiago | DOM | Left | Left | 6' 7" | 195 lbs | - |
| Medina, Irving | RP | Los Angeles Angels | 31 | 06/12/2003 | Guadalupe Victoria | MEX | Right | Right | 6' 2" | 200 lbs | $2,200,000 |
| Medina, Jeff | CF | Free Agent | 16 | 10/11/2018 | Pierce | USA | Switch | Right | 6' 2" | 170 lbs | - |
| Medina, Jorge | RP | Free Agent | 18 | 08/17/2016 | McAllen | USA | Right | Right | 6' 0" | 170 lbs | - |
| Medina, Juan | CF | Free Agent | 16 | 10/28/2018 | Santiago | DOM | Right | Right | 6' 0" | 160 lbs | - |
| Medina, Juan | 1B | St. Louis Cardinals | 17 | 03/31/2017 | Caracas | VEN | Right | Right | 6' 3" | 205 lbs | - |
| Medina, Juan | CF | San Francisco Giants | 19 | 09/29/2015 | La Victoria | VEN | Right | Right | 6' 2" | 185 lbs | - |
| Medina, Juan | 3B | Oakland Athletics | 18 | 08/13/2016 | San Francisco de Macorís | DOM | Switch | Right | 6' 3" | 200 lbs | - |
| Medina, Juan | SP | Milwaukee Brewers | 18 | 09/11/2016 | Santo Domingo | DOM | Left | Left | 6' 1" | 175 lbs | - |
| Medina, Luis | SP | Washington Nationals | 17 | 09/24/2017 | Puerto Plata | DOM | Right | Right | 6' 4" | 180 lbs | - |
| Medina, Luis | 3B | Free Agent | 17 | 09/04/2017 | Portland | USA | Right | Right | 6' 5" | 195 lbs | - |
| Medina, Luis | 2B | Milwaukee Brewers | 19 | 11/07/2015 | San Cristóbal | DOM | Right | Right | 6' 1" | 185 lbs | - |
| Medina, Luis | SP | Minnesota Twins | 18 | 03/07/2016 | Bayaguana | DOM | Right | Right | 6' 4" | 185 lbs | - |
| Medina, Rogelio | C | Free Agent | 16 | 06/05/2018 | Boca de Yuma | DOM | Right | Right | 6' 1" | 190 lbs | - |
| Medina, Sergio | C | San Francisco Giants | 19 | 05/21/2015 | Santo Domingo | DOM | Right | Right | 5' 9" | 160 lbs | - |
| Medrano, Jorge | LF | Free Agent | 17 | 04/02/2017 | Downers Grove | USA | Right | Right | 6' 0" | 175 lbs | - |
| Medrano, Juan | SS | Free Agent | 17 | 07/06/2017 | San Juan | PUR | Right | Right | 6' 0" | 165 lbs | - |
| Medrano, Luis | 3B | Free Agent | 15 | 07/23/2019 | South Bend | USA | Right | Right | 6' 4" | 185 lbs | - |
| Medrano, Luis | RF | Washington Nationals | 19 | 08/28/2015 | Sabana de la Mar | DOM | Left | Left | 6' 6" | 200 lbs | - |
| Meek, Chris | SP | Free Agent | 17 | 10/25/2017 | Brooklyn | USA | Left | Left | 6' 1" | 175 lbs | - |
| Meier, Eddie | SP | Free Agent | 21 | 01/06/2013 | Denton | USA | Left | Left | 6' 2" | 195 lbs | - |
| Meiser, Chris | RF | Free Agent | 17 | 09/13/2017 | Clearwater | USA | Left | Left | 6' 1" | 185 lbs | - |
| Melendez, Jayden | C | Colorado Rockies | 31 | 12/19/2002 | Miami | USA | Right | Right | 5' 11" | 200 lbs | $14,000,000 |
| Melendez, Kevin | C | Miami Marlins | 34 | 03/15/2000 | San Juan | PUR | Right | Right | 6' 1" | 200 lbs | $950,000 |
| Mellerson, Mitch | C | Tampa Bay Rays | 26 | 09/05/2008 | Lannon | USA | Right | Right | 6' 3" | 200 lbs | $555,000 |
| Mello, Dan | C | Free Agent | 20 | 11/30/2014 | West Memphis | USA | Right | Right | 5' 11" | 185 lbs | - |
| Melonson, Dashawn | LF | Free Agent | 32 | 05/24/2002 | Jersey City | USA | Left | Left | 5' 11" | 190 lbs | - |
| Memije, Luis | 1B | Free Agent | 19 | 12/18/2014 | Amherst | USA | Right | Right | 6' 0" | 200 lbs | - |
| Menchaca, Juan | RP | Miami Marlins | 29 | 09/11/2005 | Lafayette | USA | Right | Right | 6' 7" | 210 lbs | $2,400,000 |
| Mendelson, Layne | SP | Free Agent | 17 | 06/09/2017 | Montreal | CAN | Right | Right | 6' 0" | 170 lbs | - |
| Mendieta, Juan | CF | Free Agent | 16 | 01/17/2018 | Moca | DOM | Switch | Right | 6' 0" | 160 lbs | - |
| Mendivil, Luis | CF | Free Agent | 16 | 05/07/2018 | Ft. Oglethorpe | USA | Right | Right | 6' 2" | 170 lbs | - |
| Mendonca, Gil | 2B | Detroit Tigers | 26 | 02/28/2008 | Mesa | USA | Right | Right | 6' 1" | 195 lbs | $1,100,000 |
| Mendoza, Enzo | 2B | Toronto Blue Jays | 19 | 06/24/2015 | Santo Domingo | DOM | Right | Right | 6' 2" | 190 lbs | - |
| Mendoza, Ernesto | 2B | Free Agent | 16 | 09/24/2018 | Villa Tabara Arriba | DOM | Right | Right | 5' 11" | 160 lbs | - |
| Mendoza, Jorge | CF | Cleveland Guardians | 18 | 03/18/2016 | Santo Domingo | DOM | Switch | Left | 6' 5" | 195 lbs | - |
| Mendoza, Juan | SP | Free Agent | 16 | 06/30/2018 | Corinto | NCA | Right | Right | 6' 3" | 180 lbs | - |
| Mendoza, Juan | CF | San Diego Padres | 17 | 08/13/2017 | Santo Domingo | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Mendoza, Luis | SP | Free Agent | 19 | 07/03/2015 | Adjuntas | PUR | Right | Right | 6' 4" | 200 lbs | - |
| Mendoza, Sergio | SS | Texas Rangers | 17 | 02/27/2017 | Ocumare del Tuy | VEN | Right | Right | 6' 2" | 175 lbs | - |
| Mendoza, Sergio | 1B | Miami Marlins | 29 | 12/22/2004 | Memphis | USA | Switch | Right | 6' 1" | 200 lbs | $555,000 |
| Mendoza, Tohias | SS | Free Agent | 18 | 07/18/2016 | Indianapolis | USA | Right | Right | 6' 1" | 170 lbs | - |
| Menefield, Tyrese | C | Free Agent | 21 | 03/13/2013 | Victorville | USA | Right | Right | 6' 2" | 205 lbs | - |
| Menjivar, Esteban | SP | Washington Nationals | 18 | 04/17/2016 | Santo Domingo | DOM | Right | Left | 6' 4" | 190 lbs | - |
| Mennen, Dave | LF | Free Agent | 20 | 10/29/2014 | Los Angeles | USA | Switch | Right | 6' 4" | 215 lbs | - |
| Meo, Kevin | LF | Free Agent | 18 | 10/27/2016 | Hayward | USA | Left | Left | 6' 5" | 200 lbs | - |
| Mera, Juan | LF | San Francisco Giants | 17 | 11/08/2017 | Santo Domingo | DOM | Switch | Right | 6' 2" | 195 lbs | - |
| Mercado, Alfredo | SP | New York Yankees | 18 | 04/04/2016 | Caracas | VEN | Right | Right | 6' 0" | 170 lbs | - |
| Mercy, Edwardo | CF | Free Agent | 15 | 02/18/2019 | Des Moines | USA | Right | Right | 5' 10" | 145 lbs | - |
| Merida, Juan | SP | Free Agent | 20 | 10/21/2014 | Yucaipa | USA | Switch | Left | 6' 0" | 185 lbs | - |
| Merino, Bobby | SP | Free Agent | 18 | 05/02/2016 | Hattiesburg | USA | Right | Right | 6' 4" | 190 lbs | - |
| Merino, Jorge | SP | Chicago Cubs | 16 | 08/19/2018 | Boca Chica | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Merlano, Rodolfo | 1B | Free Agent | 16 | 04/13/2018 | Cevicos | DOM | Right | Right | 6' 3" | 200 lbs | - |
| Merow, Chris | RP | Free Agent | 21 | 09/23/2013 | Natchitoches | USA | Right | Right | 5' 9" | 170 lbs | - |
| Merritt, Ben | SP | Baltimore Orioles | 32 | 02/10/2002 | Newport News | USA | Right | Right | 6' 1" | 150 lbs | $14,200,000 |
| Merritt, Bobby | SP | San Diego Padres | 24 | 07/01/2010 | Boise City | USA | Right | Right | 6' 0" | 190 lbs | $555,000 |
| Mesa, Jorge | SP | Free Agent | 18 | 10/02/2016 | Columbus | USA | Left | Left | 6' 3" | 185 lbs | - |
| Mesa, Juan | SP | Washington Nationals | 17 | 11/18/2017 | Higüey | DOM | Left | Left | 6' 3" | 175 lbs | - |
| Messenger, Steve | SS | Free Agent | 17 | 04/24/2017 | Nashville | USA | Right | Right | 6' 3" | 180 lbs | - |
| Messer, Sean | CF | Free Agent | 17 | 10/09/2017 | Cape May Court House | USA | Right | Right | 6' 7" | 200 lbs | - |
| Mesureur, Jorge | SP | San Diego Padres | 17 | 09/25/2017 | Ciudad Ojeda | VEN | Switch | Right | 6' 8" | 200 lbs | - |
| Metro, Tim | RP | Seattle Mariners | 28 | 02/06/2006 | Baldwin | USA | Right | Left | 6' 1" | 200 lbs | $1,350,000 |
| Meyerhoffer, Kevin | CF | Free Agent | 19 | 02/08/2015 | Manteca | USA | Right | Right | 6' 1" | 175 lbs | - |
| Meyers, Josh | RP | Free Agent | 17 | 10/24/2017 | Affton | USA | Right | Right | 6' 0" | 170 lbs | - |
| Meza, Alfredo | RP | Free Agent | 16 | 07/18/2018 | San Juan | PUR | Right | Right | 6' 2" | 175 lbs | - |
| Meza, Ernesto | CF | Free Agent | 16 | 01/29/2018 | Camuy | PUR | Right | Right | 6' 0" | 165 lbs | - |
| Meza, Esteban | SP | Oakland Athletics | 17 | 04/15/2017 | Santa Catarina de Tepehuanes | MEX | Right | Right | 6' 8" | 200 lbs | - |
| Meza, Humberto | 2B | Free Agent | 17 | 11/09/2017 | Quincy | USA | Left | Right | 6' 1" | 170 lbs | - |
| Meza, Juan | RF | Free Agent | 31 | 10/12/2003 | Santiago de Cuba | CUB | Switch | Right | 6' 3" | 215 lbs | - |
| Mezgar, Esteban | RF | Arizona Diamondbacks | 26 | 12/19/2007 | Southampton | USA | Right | Left | 6' 3" | 205 lbs | $555,000 |
| Mezzatesta, Nari | SS | Free Agent | 16 | 02/23/2018 | Zaraza | VEN | Right | Right | 6' 1" | 170 lbs | - |
| Michael, Ted | SS | Free Agent | 18 | 11/28/2016 | Albuquerque | USA | Right | Right | 6' 4" | 190 lbs | - |
| Michaels, Dan | C | Atlanta Braves | 32 | 08/19/2002 | Springfield | USA | Right | Right | 6' 0" | 200 lbs | $3,750,000 |
| Micklewright, Steve | CF | Free Agent | 16 | 02/26/2018 | New York | USA | Left | Left | 6' 3" | 180 lbs | - |
| Middleton, Tommy | C | Free Agent | 17 | 05/03/2017 | Milton | USA | Left | Right | 6' 1" | 175 lbs | - |
| Mifflin, Whitney | C | Free Agent | 16 | 04/04/2018 | Toronto | CAN | Right | Right | 6' 3" | 190 lbs | - |
| Miknis, Justin | C | St. Louis Cardinals | 34 | 09/06/2000 | DuBois | USA | Left | Right | 6' 0" | 200 lbs | $555,000 |
| Milam, Kymani | CF | Free Agent | 17 | 09/26/2017 | New York | USA | Left | Right | 6' 2" | 180 lbs | - |
| Milam, Randy | RP | Free Agent | 21 | 06/11/2013 | Corinth | USA | Right | Right | 6' 0" | 180 lbs | - |
| Milburn, Jimmy | RP | Free Agent | 23 | 04/27/2011 | Cleveland Heights | USA | Right | Right | 6' 7" | 200 lbs | - |
| Miles, Jonathan | RP | Free Agent | 17 | 05/08/2017 | Cypress | USA | Right | Right | 6' 0" | 160 lbs | - |
| Miller, Ben | RP | Free Agent | 16 | 11/22/2018 | Natick | USA | Right | Right | 6' 10" | 205 lbs | - |
| Miller, Jackson | C | Philadelphia Phillies | 32 | 01/03/2002 | Trinity | USA | Left | Right | 6' 1" | 200 lbs | $35,200,000 |
| Miller, Kellen | SP | Cincinnati Reds | 26 | 12/27/2007 | Hillsborough Township | USA | Right | Right | 6' 4" | 200 lbs | $555,000 |
| Miller, Max | 2B | Free Agent | 17 | 02/24/2017 | Vineland | USA | Switch | Right | 6' 3" | 180 lbs | - |
| Miller, Steve | 2B | Free Agent | 20 | 12/06/2013 | Glenn Heights | USA | Right | Right | 6' 1" | 195 lbs | - |
| Milligan, Hunter | SP | San Diego Padres | 36 | 10/26/1998 | Greenbrier | USA | Left | Left | 6' 4" | 195 lbs | $9,600,000 |
| Millington, Josh | RP | Free Agent | 16 | 05/28/2018 | Murphy | USA | Left | Right | 6' 1" | 165 lbs | - |
| Millison, Marc | SP | Free Agent | 17 | 04/13/2017 | Tenafly | USA | Right | Right | 6' 0" | 160 lbs | - |
| Mills, Mike | SP | Free Agent | 18 | 12/02/2016 | Newport Beach | USA | Right | Left | 6' 4" | 190 lbs | - |
| Mills, Sam | 1B | Cincinnati Reds | 28 | 11/27/2006 | Towson | USA | Left | Right | 6' 1" | 200 lbs | $555,000 |
| Millsap, Kevin | CF | Houston Astros | 25 | 04/10/2009 | New York | USA | Left | Left | 6' 3" | 205 lbs | $4,500,000 |
| Minier, Braylin | SS | Detroit Tigers | 31 | 06/11/2003 | Mao | DOM | Left | Right | 6' 1" | 200 lbs | $7,000,000 |
| Minniefield, Nehemiah | 2B | Free Agent | 19 | 05/05/2015 | Pittsburgh | USA | Right | Right | 5' 10" | 175 lbs | - |
| Minnifield, Deshawn | SS | Free Agent | 20 | 10/23/2014 | Brooklyn | USA | Right | Right | 6' 0" | 185 lbs | - |
| Minor, Mike | C | Milwaukee Brewers | 23 | 01/01/2011 | Plattsburgh | USA | Switch | Right | 5' 9" | 180 lbs | $555,000 |
| Minton, Josh | SP | Free Agent | 21 | 03/05/2013 | Hoffman Estates | USA | Left | Left | 6' 2" | 185 lbs | - |
| Miranda, Ernesto | 3B | Free Agent | 20 | 07/14/2014 | San Juan | PUR | Right | Right | 6' 0" | 185 lbs | - |
| Miranda, Jorge | CF | Free Agent | 18 | 08/22/2016 | Lawton | USA | Left | Left | 6' 1" | 170 lbs | - |
| Miranda, Jorge | CF | Seattle Mariners | 18 | 05/29/2016 | Maracaibo | VEN | Left | Left | 6' 0" | 165 lbs | - |
| Miranda, Juan | 2B | Texas Rangers | 17 | 05/03/2017 | Santo Domingo | DOM | Right | Right | 5' 10" | 165 lbs | - |
| Miranda, Juan | C | Seattle Mariners | 17 | 12/27/2016 | Tamayo | DOM | Left | Right | 6' 0" | 185 lbs | - |
| Miranda, Juan | SP | Miami Marlins | 19 | 05/04/2015 | Santiago | DOM | Right | Right | 6' 0" | 175 lbs | - |
| Miranda, Luis | SP | Milwaukee Brewers | 19 | 02/22/2015 | Santo Domingo | DOM | Left | Left | 6' 4" | 200 lbs | - |
| Mireles, Juan | C | Cleveland Guardians | 17 | 04/20/2017 | Azua | DOM | Right | Right | 6' 3" | 200 lbs | - |
| Mireles, Luis | SP | Detroit Tigers | 17 | 01/12/2017 | Pimentel | DOM | Left | Right | 6' 4" | 190 lbs | - |
| Mirr, Sean | SP | Free Agent | 16 | 03/28/2018 | Montgomery Village | USA | Right | Right | 6' 0" | 165 lbs | - |
| Mitchell, Chris | CF | Free Agent | 17 | 05/23/2017 | Sandy Springs | USA | Right | Right | 6' 3" | 180 lbs | - |
| Mitchell, Danny | SP | Miami Marlins | 28 | 11/30/2006 | Spanish Springs | USA | Left | Right | 6' 4" | 200 lbs | $21,250,000 |
| Mitchell, Johnny | SP | Free Agent | 20 | 07/19/2014 | Bridgewater | USA | Right | Right | 6' 9" | 200 lbs | - |
| Mitre, Luis | 1B | Cleveland Guardians | 19 | 11/03/2015 | Maracaibo | VEN | Right | Right | 6' 2" | 200 lbs | - |
| Miyauchi, Yasuo | SS | Free Agent | 15 | 02/16/2019 | Kasaoka | JPN | Right | Right | 6' 2" | 155 lbs | - |
| Mize, Casey | SP | Boston Red Sox | 37 | 05/01/1997 | Springville | USA | Right | Right | 6' 3" | 200 lbs | $22,000,000 |
| Moctezuma, Luis | 3B | Boston Red Sox | 19 | 02/18/2015 | Las Matas de Farfan | DOM | Right | Right | 5' 10" | 155 lbs | - |
| Moffett, Ted | SP | Minnesota Twins | 25 | 02/22/2009 | East Los Angeles | USA | Left | Right | 6' 8" | 200 lbs | $2,200,000 |
| Mohr, Ben | C | Free Agent | 21 | 10/28/2013 | New Brunswick | USA | Right | Right | 6' 0" | 200 lbs | - |
| Moler, Jared | RP | Free Agent | 18 | 07/13/2016 | College Place | USA | Right | Right | 5' 10" | 165 lbs | - |
| Molina, Juan | SP | Detroit Tigers | 17 | 06/12/2017 | Santo Domingo | DOM | Left | Left | 6' 1" | 175 lbs | - |
| Molina, Rodolfo | RP | Free Agent | 15 | 09/27/2019 | Guaynabo | PUR | Right | Right | 6' 1" | 170 lbs | - |
| Molina, Rogelio | SP | Texas Rangers | 17 | 08/09/2017 | Santo Domingo | DOM | Right | Right | 6' 4" | 180 lbs | - |
| Molinar, Luis | SP | St. Louis Cardinals | 18 | 01/22/2016 | Caracas | VEN | Right | Right | 5' 10" | 165 lbs | - |
| Momon, Jamari | 1B | Minnesota Twins | 25 | 11/23/2009 | Riverside | USA | Left | Left | 6' 2" | 200 lbs | $555,000 |
| Momon, Jumaine | RP | Free Agent | 18 | 05/11/2016 | Macomb | USA | Right | Left | 6' 2" | 175 lbs | - |
| Momon, Ricky | 2B | Free Agent | 17 | 01/22/2017 | Orange | USA | Right | Right | 6' 4" | 190 lbs | - |
| Monarrez, Arturo | SP | Houston Astros | 17 | 11/30/2017 | San Juan de los Morros | VEN | Switch | Right | 6' 5" | 195 lbs | - |
| Moncada, Juan | LF | Free Agent | 36 | 10/20/1998 | Bayamón | PUR | Left | Left | 6' 0" | 205 lbs | - |
| Mondesir, Nehemiah | SP | Free Agent | 16 | 08/22/2018 | Mishawaka | USA | Right | Right | 6' 2" | 175 lbs | - |
| Mondesir, Zaire | SS | Free Agent | 17 | 09/20/2017 | Ft. Worth | USA | Right | Right | 6' 0" | 165 lbs | - |
| Monje, Alfredo | LF | Houston Astros | 16 | 12/25/2017 | Santo Domingo | DOM | Right | Right | 6' 1" | 190 lbs | - |
| Monje, Jorge | SP | Kansas City Royals | 16 | 12/15/2017 | Puerto Plata | DOM | Left | Right | 6' 4" | 190 lbs | - |
| Monroy, Sergio | C | Toronto Blue Jays | 17 | 05/04/2017 | Santiago | DOM | Right | Right | 6' 6" | 205 lbs | - |
| Montalvo, Erminio | SP | Atlanta Braves | 29 | 11/05/2005 | Maracaibo | VEN | Right | Right | 6' 8" | 200 lbs | $18,000,000 |
| Montalvo, Luis | SS | Free Agent | 17 | 01/22/2017 | Fayetteville | USA | Right | Right | 6' 2" | 185 lbs | - |
| Montejo, Jorge | SP | Chicago Cubs | 18 | 09/04/2016 | San José de Guanipa | VEN | Right | Right | 6' 6" | 200 lbs | - |
| Montelongo, Juan | RP | Chicago White Sox | 27 | 05/07/2007 | Monte Cristi | DOM | Left | Left | 6' 6" | 205 lbs | $7,406,000 |
| Montenegro, Jorge | RP | Free Agent | 16 | 02/05/2018 | Port Hadlock-Irondale | USA | Right | Left | 6' 6" | 195 lbs | - |
| Montenegro, Juan | SP | Chicago White Sox | 16 | 08/26/2018 | Santo Domingo | DOM | Switch | Right | 6' 4" | 180 lbs | - |
| Montero, Ignacio | SP | Chicago Cubs | 30 | 09/02/2004 | Esperanza | DOM | Left | Left | 6' 2" | 200 lbs | $25,200,000 |
| Montero, Luis | SP | Minnesota Twins | 17 | 10/26/2017 | Panama | PAN | Right | Right | 6' 1" | 175 lbs | - |
| Monterroza, Juan | SP | Free Agent | 18 | 09/18/2016 | Arroyo | PUR | Right | Right | 6' 2" | 180 lbs | - |
| Montgomery, Mason | SP | Free Agent | 34 | 06/17/2000 | Leander | USA | Left | Left | 6' 2" | 195 lbs | - |
| Montiel, Gregorio | SP | Cleveland Guardians | 18 | 05/30/2016 | Maracay | VEN | Left | Left | 6' 7" | 200 lbs | - |
| Montoya, Gherardo | SP | Tampa Bay Rays | 19 | 04/09/2015 | Barinas | VEN | Left | Left | 6' 4" | 190 lbs | - |
| Montoya, Jorge | 1B | Toronto Blue Jays | 18 | 04/01/2016 | Santo Domingo | DOM | Right | Right | 6' 2" | 200 lbs | - |
| Montoya, Juan | SS | Atlanta Braves | 19 | 11/04/2015 | Maracaibo | VEN | Right | Right | 6' 2" | 185 lbs | - |
| Montoya, Luis | C | Tampa Bay Rays | 18 | 02/11/2016 | Coro | VEN | Right | Right | 6' 1" | 185 lbs | - |
| Moody, Ted | 3B | Free Agent | 18 | 07/11/2016 | Bellingham | USA | Right | Right | 5' 10" | 165 lbs | - |
| Moore, Bobby | SP | Free Agent | 16 | 02/10/2018 | Chicago | USA | Right | Right | 6' 3" | 175 lbs | - |
| Moore, Chris | 3B | Free Agent | 16 | 05/07/2018 | Damascus | USA | Right | Right | 6' 2" | 175 lbs | - |
| Moore, Chris | CL | Free Agent | 25 | 03/17/2009 | Houston | USA | Right | Right | 6' 1" | 200 lbs | - |
| Moore, Chris | RP | Free Agent | 27 | 08/19/2007 | Springfield | USA | Right | Right | 6' 0" | 195 lbs | - |
| Moore, Christian | 2B | Free Agent | 32 | 10/21/2002 | New York | USA | Right | Right | 6' 2" | 200 lbs | - |
| Moore, Dakota | SP | Free Agent | 21 | 04/09/2013 | Elwood | USA | Right | Right | 6' 4" | 200 lbs | - |
| Moore, Danny | RP | Free Agent | 16 | 10/04/2018 | San Bernardino | USA | Right | Right | 6' 0" | 160 lbs | - |
| Moore, Sean | 3B | Free Agent | 18 | 07/21/2016 | San Clemente | USA | Right | Right | 6' 4" | 190 lbs | - |
| Moppins, Davon | RP | Free Agent | 24 | 07/10/2010 | Ipswich | USA | Right | Right | 6' 11" | 265 lbs | - |
| Mora, Ernesto | SP | Chicago White Sox | 16 | 04/09/2018 | Santo Domingo | DOM | Left | Left | 6' 2" | 175 lbs | - |
| Mora, Ernesto | CF | Free Agent | 16 | 07/27/2018 | Bonao | DOM | Right | Right | 6' 0" | 165 lbs | - |
| Mora, Gilberto | SP | Free Agent | 15 | 12/20/2018 | Phoenix | USA | Right | Right | 6' 3" | 175 lbs | - |
| Mora, Ignacio | CF | Atlanta Braves | 18 | 08/05/2016 | Puerto Plata | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Mora, Juan | 1B | Free Agent | 17 | 10/25/2017 | Caracas | VEN | Right | Right | 6' 2" | 210 lbs | - |
| Mora, Juan | C | Free Agent | 16 | 11/04/2018 | Santo Domingo | DOM | Right | Right | 6' 4" | 190 lbs | - |
| Mora, Juan | 3B | Seattle Mariners | 17 | 02/01/2017 | Restauración | DOM | Left | Right | 6' 0" | 180 lbs | - |
| Mora, Juan | 1B | San Francisco Giants | 31 | 07/09/2003 | Santo Domingo | DOM | Right | Right | 6' 4" | 195 lbs | $22,000,000 |
| Mora, Luis | 3B | Free Agent | 17 | 11/15/2017 | Bellbrook | USA | Switch | Right | 6' 4" | 200 lbs | - |
| Mora, Luis | CF | Tampa Bay Rays | 18 | 12/25/2015 | Santo Domingo | DOM | Switch | Right | 6' 2" | 185 lbs | - |
| Mora, Luis | SS | Arizona Diamondbacks | 18 | 01/25/2016 | Barcelona | VEN | Right | Right | 6' 2" | 175 lbs | - |
| Mora, Steve | SP | Free Agent | 17 | 06/15/2017 | Scappoose | USA | Switch | Right | 6' 1" | 175 lbs | - |
| Morales, Alfredo | CF | Toronto Blue Jays | 18 | 05/12/2016 | Santo Domingo | DOM | Right | Right | 6' 6" | 195 lbs | - |
| Morales, Ernesto | SP | Philadelphia Phillies | 18 | 12/04/2015 | Barcelona | VEN | Left | Right | 5' 9" | 150 lbs | - |
| Morales, Esteban | 1B | Cleveland Guardians | 17 | 11/18/2017 | Estebanía | DOM | Left | Left | 6' 6" | 225 lbs | - |
| Morales, Gregorio | SP | San Francisco Giants | 18 | 04/28/2016 | Panama | PAN | Right | Right | 6' 4" | 180 lbs | - |
| Morales, Ismael | SP | Kansas City Royals | 16 | 08/28/2018 | Santo Domingo | DOM | Switch | Right | 6' 2" | 175 lbs | - |
| Morales, Jorge | 2B | Cincinnati Reds | 17 | 12/15/2016 | La Romana | DOM | Right | Right | 6' 0" | 180 lbs | - |
| Morales, Jorge | RP | San Francisco Giants | 27 | 10/10/2007 | San Gregorio de Nigua | DOM | Right | Right | 6' 0" | 185 lbs | $1,723,800 |
| Morales, Juan | SP | Free Agent | 17 | 10/14/2017 | Brooklyn | USA | Right | Right | 6' 0" | 175 lbs | - |
| Morales, Luis | SS | Free Agent | 17 | 12/02/2017 | Soto | CUR | Right | Right | 6' 2" | 175 lbs | - |
| Morales, Luis | RF | Free Agent | 16 | 04/23/2018 | Arahal | ESP | Left | Left | 6' 2" | 180 lbs | - |
| Morales, Luis | 3B | Free Agent | 20 | 02/03/2014 | Milford Mill | USA | Right | Right | 5' 10" | 180 lbs | - |
| Morales, Luis | C | Texas Rangers | 18 | 08/24/2016 | San Cristóbal | DOM | Right | Right | 6' 0" | 190 lbs | - |
| Morales, Luis | SP | San Diego Padres | 27 | 02/13/2007 | San Joaquín | VEN | Right | Right | 6' 1" | 195 lbs | $13,800,000 |
| Morales, Luis | CL | Baltimore Orioles | 30 | 12/28/2003 | Santo Domingo | DOM | Left | Right | 6' 2" | 200 lbs | $13,400,000 |
| Morales, Lupe | SP | Houston Astros | 17 | 02/15/2017 | Cabrera | DOM | Right | Right | 6' 2" | 175 lbs | - |
| Morales, Rogelio | SP | Chicago White Sox | 16 | 12/18/2017 | Maracaibo | VEN | Right | Right | 6' 2" | 175 lbs | - |
| Morales, Rogelio | SP | Boston Red Sox | 18 | 01/31/2016 | Maracaibo | VEN | Left | Right | 6' 8" | 205 lbs | - |
| Morales, Sergio | SP | Philadelphia Phillies | 19 | 07/04/2015 | Arraijan | PAN | Switch | Right | 6' 2" | 185 lbs | - |
| Morales, Sergio | SP | Free Agent | 18 | 03/05/2016 | Toledo | USA | Right | Left | 6' 2" | 175 lbs | - |
| Moralez, Jorge | 2B | Free Agent | 16 | 10/26/2018 | Terryville | USA | Switch | Right | 6' 1" | 175 lbs | - |
| Moralez, Juan | SP | Chicago White Sox | 19 | 11/20/2015 | Baruta | VEN | Right | Right | 5' 10" | 165 lbs | - |
| Moreno, Arturo | SP | Pittsburgh Pirates | 18 | 02/19/2016 | Santo Domingo | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Moreno, Chris | SS | Free Agent | 20 | 06/18/2014 | Shreveport | USA | Right | Right | 6' 4" | 180 lbs | - |
| Moreno, Domeneco | SS | Seattle Mariners | 18 | 05/08/2016 | Maracaibo | VEN | Left | Right | 6' 4" | 185 lbs | - |
| Moreno, Ernesto | 2B | Boston Red Sox | 26 | 11/02/2008 | Umatilla | USA | Right | Right | 6' 2" | 200 lbs | $555,000 |
| Moreno, Ismael | 3B | Free Agent | 16 | 04/13/2018 | Managua | NCA | Right | Right | 6' 0" | 165 lbs | - |
| Moreno, Luis | SP | Miami Marlins | 19 | 01/19/2015 | Mao | DOM | Right | Right | 6' 3" | 180 lbs | - |
| Moreno, Rodolfo | SP | New York Yankees | 18 | 02/01/2016 | Rancho Arriba | DOM | Switch | Right | 6' 2" | 175 lbs | - |
| Moreno, Sergio | RF | Free Agent | 17 | 08/15/2017 | Ponce | PUR | Switch | Left | 6' 7" | 210 lbs | - |
| Moreno, Sergio | SP | Milwaukee Brewers | 20 | 11/20/2014 | Maracaibo | VEN | Right | Right | 6' 2" | 195 lbs | - |
| Morgan, Jeremy | SP | Free Agent | 16 | 05/08/2018 | Clark | USA | Right | Right | 5' 10" | 155 lbs | - |
| Morgan, Jerry | SP | Free Agent | 17 | 05/10/2017 | Garden Grove | USA | Right | Right | 6' 6" | 195 lbs | - |
| Morgan, Joe | SP | Free Agent | 17 | 09/12/2017 | New York | USA | Left | Left | 6' 3" | 185 lbs | - |
| Morgan, Kevin | LF | Free Agent | 18 | 10/30/2016 | Camano | USA | Left | Left | 6' 5" | 200 lbs | - |
| Morgan, T.J. | RF | Free Agent | 29 | 11/16/2005 | Socorro | USA | Left | Left | 6' 2" | 205 lbs | - |
| Moriel, Gregorio | SP | Milwaukee Brewers | 17 | 10/05/2017 | Caracas | VEN | Left | Left | 6' 0" | 170 lbs | - |
| Morishita, Shuji | SP | Free Agent | 37 | 08/25/1997 | Tagajo | JPN | Right | Right | 6' 1" | 205 lbs | - |
| Moroyoqui, Gilberto | SS | Tampa Bay Rays | 19 | 06/16/2015 | Moca | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Morra, Adão | CF | Pittsburgh Pirates | 16 | 06/07/2018 | Ciudad Guayana | VEN | Left | Left | 6' 4" | 190 lbs | - |
| Morris, Chris | 2B | Detroit Tigers | 26 | 11/12/2008 | Houston | USA | Switch | Right | 6' 2" | 200 lbs | $2,000,000 |
| Morris, Eric | 2B | Free Agent | 21 | 04/03/2013 | Aspen Hill | USA | Right | Right | 6' 0" | 185 lbs | - |
| Morris, J.D. | RP | Free Agent | 17 | 04/12/2017 | Holly Hill | USA | Left | Right | 6' 2" | 175 lbs | - |
| Morris, Jeff | RF | Free Agent | 24 | 03/05/2010 | Minneapolis | USA | Right | Left | 6' 1" | 190 lbs | - |
| Morrow, Jim | SS | Free Agent | 20 | 05/09/2014 | Azusa | USA | Right | Right | 6' 0" | 175 lbs | - |
| Mortensen, Devin | RP | Free Agent | 19 | 09/27/2015 | Tyler | USA | Right | Right | 6' 2" | 180 lbs | - |
| Moscoso, Sergio | SP | Miami Marlins | 17 | 07/24/2017 | Santiago | DOM | Left | Left | 5' 11" | 165 lbs | - |
| Mosley, Eric | RP | Free Agent | 15 | 02/14/2019 | Dallas | USA | Right | Right | 6' 2" | 165 lbs | - |
| Mosser, Jim | RP | Free Agent | 17 | 02/18/2017 | Bayshore Gardens | USA | Switch | Left | 5' 11" | 165 lbs | - |
| Moulton, Joel | SP | Washington Nationals | 30 | 11/13/2004 | Grand Prairie | USA | Right | Right | 6' 2" | 200 lbs | $555,000 |
| Moultrie, Josh | 3B | Free Agent | 20 | 09/09/2014 | Vallejo | USA | Right | Right | 6' 0" | 185 lbs | - |
| Moultry, Eric | LF | Free Agent | 18 | 10/10/2016 | Alabaster | USA | Right | Right | 6' 6" | 200 lbs | - |
| Mountcastle, Ryan | 1B | Free Agent | 37 | 02/18/1997 | Winter Springs | USA | Right | Right | 6' 3" | 200 lbs | - |
| Mousset, Sébastien | SP | Arizona Diamondbacks | 18 | 05/28/2016 | Vizille | FRA | Left | Left | 6' 0" | 170 lbs | - |
| Mouton, Joe | LF | Cincinnati Reds | 26 | 08/15/2008 | Santa Fe | USA | Right | Right | 6' 1" | 200 lbs | $555,000 |
| Mouzone, Denim | SS | Free Agent | 16 | 07/04/2018 | Camp Springs | USA | Right | Right | 6' 2" | 175 lbs | - |
| Mouzone, Kymani | 2B | Free Agent | 15 | 09/19/2019 | Ft. Worth | USA | Right | Right | 6' 2" | 180 lbs | - |
| Mowbray, Dan | RP | Free Agent | 23 | 10/04/2011 | Alpine | USA | Right | Right | 6' 5" | 195 lbs | - |
| Moya, Juan | SP | Milwaukee Brewers | 18 | 10/20/2016 | Maturín | VEN | Right | Right | 6' 6" | 195 lbs | - |
| Mrozik, Dusty | RP | Los Angeles Angels | 28 | 08/01/2006 | Wofford Heights | USA | Left | Left | 6' 2" | 200 lbs | $1,900,000 |
| Mueller, Josh | C | Free Agent | 20 | 12/04/2013 | East Quogue | USA | Right | Right | 6' 0" | 190 lbs | - |
| Muller, Tommy | RP | Free Agent | 23 | 03/22/2011 | Brooklyn | USA | Left | Left | 5' 10" | 175 lbs | - |
| Mullins, Eddie | RP | Free Agent | 22 | 09/17/2012 | Concord | USA | Right | Right | 6' 2" | 200 lbs | - |
| Mullowney, Aydan | SP | Kansas City Royals | 26 | 08/07/2008 | Calgary | CAN | Right | Right | 6' 2" | 195 lbs | $555,000 |
| Mulloy, Ron | RF | Free Agent | 29 | 07/18/2005 | Milwaukee | USA | Left | Left | 5' 9" | 190 lbs | - |
| Mulzac, Jadon | RP | Free Agent | 16 | 08/17/2018 | Eden Prairie | USA | Left | Right | 6' 5" | 180 lbs | - |
| Munden, Robby | SP | Free Agent | 17 | 01/31/2017 | Fruitland Park | USA | Left | Right | 6' 4" | 190 lbs | - |
| Munoz, Andres | RP | Free Agent | 35 | 01/16/1999 | Los Mochis | MEX | Right | Right | 6' 2" | 200 lbs | - |
| Munson, Jeremy | SP | Free Agent | 20 | 08/17/2014 | Newburg | USA | Switch | Right | 6' 8" | 200 lbs | - |
| Muntz, Shane | RP | Atlanta Braves | 35 | 02/23/1999 | Phoenixville | USA | Right | Right | 6' 4" | 225 lbs | $555,000 |
| Murano, Mike | RP | Free Agent | 17 | 04/04/2017 | Thomasville | USA | Right | Right | 6' 4" | 190 lbs | - |
| Murialdo, Giampietro | SP | Texas Rangers | 18 | 11/04/2016 | Puerto Cabello | VEN | Right | Right | 5' 10" | 160 lbs | - |
| Murillo, Luis | RP | Free Agent | 17 | 07/22/2017 | Santo Domingo | DOM | Right | Left | 5' 8" | 150 lbs | - |
| Murphey, Kurt | CF | Free Agent | 15 | 12/07/2018 | Burlington | USA | Left | Left | 5' 10" | 160 lbs | - |
| Murphy, Chris | 3B | San Francisco Giants | 29 | 01/15/2005 | Lancaster | USA | Left | Right | 6' 1" | 200 lbs | $1,322,100 |
| Murphy, Josh | C | Washington Nationals | 28 | 05/26/2006 | Kingman | USA | Right | Right | 6' 0" | 200 lbs | $1,000,000 |
| Murphy, Steve | SP | Free Agent | 17 | 04/09/2017 | Coalinga | USA | Right | Right | 6' 1" | 170 lbs | - |
| Murray, Dan | C | Free Agent | 15 | 01/24/2019 | Winston-Salem | USA | Switch | Right | 6' 0" | 180 lbs | - |
| Murrel, Dashawn | CL | Free Agent | 21 | 11/24/2013 | Franklin | USA | Right | Right | 6' 2" | 200 lbs | - |
| Murrel, Tyshawn | RP | Free Agent | 20 | 11/06/2014 | Plano | USA | Right | Right | 6' 2" | 185 lbs | - |
| Muse, Gene | CF | Free Agent | 18 | 08/03/2016 | Lake Wisconsin | USA | Left | Right | 6' 2" | 180 lbs | - |
| Musgrove, Jon | CF | Free Agent | 15 | 08/16/2019 | Newton | USA | Right | Right | 6' 0" | 170 lbs | - |
| Musser, Pat | CF | Free Agent | 15 | 12/17/2018 | Ellicott City | USA | Right | Right | 6' 0" | 165 lbs | - |
| Mutchler, Chris | RP | Free Agent | 24 | 06/18/2010 | Ridgecrest | USA | Right | Right | 6' 5" | 200 lbs | - |
| Muzquiz, Ignacio | SP | Pittsburgh Pirates | 23 | 01/19/2011 | Warsaw | USA | Right | Right | 5' 11" | 175 lbs | $555,000 |
| Myers, Andy | RP | Free Agent | 17 | 05/14/2017 | New York | USA | Right | Right | 6' 1" | 170 lbs | - |
| Myers, Andy | RP | Free Agent | 18 | 09/23/2016 | Escanaba | USA | Switch | Right | 6' 8" | 205 lbs | - |
| Myers, Chris | SP | Free Agent | 21 | 11/21/2013 | New York | USA | Right | Right | 6' 2" | 190 lbs | - |
| Myers, Jimmy | SP | Free Agent | 17 | 04/05/2017 | Albuquerque | USA | Right | Right | 6' 4" | 190 lbs | - |
| Myers, Mike | LF | San Diego Padres | 26 | 12/21/2007 | Kutztown | USA | Right | Right | 6' 1" | 195 lbs | $555,000 |
| Myers, Sean | CL | Miami Marlins | 32 | 06/06/2002 | Seal Beach | USA | Right | Right | 6' 1" | 200 lbs | $2,800,000 |
| Myska, Mike | 3B | Free Agent | 16 | 08/31/2018 | Palos Hills | USA | Right | Right | 6' 1" | 175 lbs | - |
