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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maartens, Mart | 2B | Brooklyn Black Knights | 16 | 02/16/2017 | Sint Nicolas | ARU | Right | Right | 6' 2" | 180 lbs | - |
| MacDonald, Teun | SP | Cabo San Lucas Toreros | 19 | 12/31/2014 | Oranjestad | ARU | Switch | Right | 6' 1" | 180 lbs | - |
| MacDougal, William | RP | Dallas Texans | 26 | 08/25/2007 | Hitchin | ENG | Right | Right | 6' 3" | 220 lbs | $1,600,000 |
| Macedo, Vic | 1B | Mile High Mustangs | 19 | 11/29/2014 | Masaya | NCA | Right | Right | 6' 3" | 205 lbs | - |
| Macfarlane, Taylor | SP | Dallas Texans | 16 | 05/01/2017 | Nassau | BAH | Left | Right | 6' 3" | 180 lbs | - |
| Machado, Alexis | SP | Columbus Aces | 18 | 11/26/2015 | Villa Jaragua | DOM | Left | Left | 6' 2" | 180 lbs | - |
| Macias, Ivan | 2B | Jacksonville Jacks | 18 | 08/10/2015 | Guadalajara | MEX | Right | Right | 6' 4" | 190 lbs | - |
| Macías, José | RP | Free Agent | 28 | 06/23/2005 | Santiago | CHI | Left | Right | 6' 2" | 215 lbs | - |
| Macias, Luis | SP | Vancouver Pioneers | 17 | 03/19/2016 | Santiago | PAN | Right | Right | 6' 2" | 180 lbs | - |
| Macias, Mario | SP | Columbus Aces | 19 | 04/29/2014 | Morelia | MEX | Left | Right | 6' 5" | 205 lbs | - |
| Maciel, Leo | C | Dallas Texans | 19 | 07/08/2014 | Carolina | PUR | Right | Right | 6' 1" | 210 lbs | - |
| Maciel, Raul | C | Free Agent | 21 | 10/16/2012 | Alajuela | CRC | Right | Right | 6' 0" | 190 lbs | - |
| Maciel, Tony | LF | Free Agent | 26 | 11/09/2007 | Managua | NCA | Left | Left | 6' 0" | 210 lbs | - |
| MacIlraith, Ben | RP | Free Agent | 28 | 12/20/2005 | Bristol | ENG | Left | Right | 6' 1" | 175 lbs | - |
| MacInroy, Mike | CL | Brooklyn Black Knights | 29 | 03/05/2004 | Balch Springs | USA | Left | Left | 6' 1" | 185 lbs | $3,000,000 |
| MacKinley, Edward | RF | New York Mafia | 29 | 12/06/2004 | Laughlin | USA | Left | Left | 6' 3" | 225 lbs | $850,000 |
| MacLellan, Rick | RP | Cabo San Lucas Toreros | 30 | 06/12/2003 | Coquitlam | CAN | Right | Right | 6' 3" | 225 lbs | $1,000,000 |
| Maddock, Jamie | RP | Free Agent | 17 | 01/17/2016 | Willemstad | CUR | Left | Right | 5' 8" | 150 lbs | - |
| Maddocks, Leo | LF | Vancouver Pioneers | 16 | 03/09/2017 | Willemstad | CUR | Left | Left | 6' 3" | 180 lbs | - |
| Madonado, Bobby | SP | Eureka Hornets | 19 | 11/24/2014 | San Marcos | SLV | Right | Right | 6' 2" | 180 lbs | - |
| Madrid, Jose | SP | Georgia Grays | 17 | 03/26/2016 | Bonao | DOM | Switch | Right | 6' 2" | 180 lbs | - |
| Madrid, Luis | SP | Quebec Armada | 18 | 05/31/2015 | San Juan del Sur | NCA | Left | Right | 5' 11" | 170 lbs | - |
| Madrid, Xavier | SP | Jacksonville Jacks | 18 | 11/03/2015 | San Miguelito | PAN | Right | Right | 5' 10" | 160 lbs | - |
| Madrigal, Nelson | C | Portland Beavers | 17 | 06/23/2016 | Apopa | SLV | Right | Right | 6' 0" | 185 lbs | - |
| Madrigal, Santiago | SP | Bloomington Blazers | 18 | 01/19/2015 | Campeche | MEX | Right | Right | 6' 7" | 205 lbs | - |
| Madrigal, Willie | C | Free Agent | 21 | 10/19/2012 | Camagüey | CUB | Left | Right | 5' 11" | 175 lbs | - |
| Maekawa, Hisaji | LF | San Francisco Earthquakes | 22 | 03/04/2011 | Shizuoka | JPN | Left | Left | 6' 1" | 190 lbs | $550,000 |
| Maestas, Cesar | 2B | Dallas Texans | 18 | 09/09/2015 | Añasco | PUR | Right | Right | 5' 10" | 165 lbs | - |
| Magana, Alex | CF | Georgia Grays | 18 | 01/22/2015 | Ecatepec | MEX | Switch | Right | 6' 2" | 195 lbs | - |
| Magana, Eddie | SP | Kansas City Tornadoes | 18 | 11/01/2015 | Tuxtla Gutiérrez | MEX | Left | Left | 6' 1" | 175 lbs | - |
| Magos, Hugo | SS | Eureka Hornets | 19 | 07/17/2014 | Higüey | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Mahi'ai, Amaui | CL | Columbus Aces | 28 | 01/01/2005 | Honolulu | USA | Right | Right | 5' 8" | 280 lbs | $4,520,000 |
| Mai, Son | RP | Havana Stogies | 33 | 08/20/2000 | Unknown | MYA | Switch | Right | 5' 9" | 210 lbs | $2,000,000 |
| Maisonneuve, Melvyn | RP | Free Agent | 29 | 04/06/2004 | Montreal | CAN | Right | Right | 5' 10" | 195 lbs | - |
| Majana, Augusto | RF | Free Agent | 27 | 06/08/2006 | Coro | VEN | Left | Left | 6' 7" | 225 lbs | - |
| Malaga, Alex | SP | Free Agent | 20 | 09/09/2013 | Tocumen | PAN | Left | Left | 6' 5" | 195 lbs | - |
| Malagon, Cesar | RF | Portland Beavers | 18 | 06/08/2015 | San Juan | PUR | Right | Left | 6' 3" | 195 lbs | - |
| Maldonado, Alex | SP | Rubber City Rhinos | 17 | 08/10/2016 | Masaya | NCA | Right | Right | 6' 3" | 180 lbs | - |
| Maldonado, Armando | SP | So Cal Republic | 16 | 02/24/2017 | Managua | NCA | Right | Right | 6' 3" | 185 lbs | - |
| Maldonado, Bernie | RP | Free Agent | 25 | 12/13/2008 | San Juan | PUR | Right | Right | 5' 10" | 190 lbs | - |
| Maldonado, Dave | SP | Jacksonville Jacks | 19 | 08/15/2014 | San Mateo | GUA | Right | Right | 6' 4" | 185 lbs | - |
| Maldonado, Efrain | 2B | Dallas Texans | 18 | 01/13/2015 | San Salvador | SLV | Right | Right | 5' 10" | 160 lbs | - |
| Maldonado, Humberto | RF | San Diego Hops | 18 | 08/01/2015 | Juana Díaz | PUR | Left | Left | 6' 4" | 195 lbs | - |
| Maldonado, Ivan | SS | Hawaii Islanders | 19 | 09/09/2014 | Carolina | PUR | Right | Right | 6' 0" | 170 lbs | - |
| Maldonado, Juan | SP | South Carolina Bombers | 17 | 10/18/2016 | Jalapa | NCA | Switch | Right | 6' 6" | 200 lbs | - |
| Maldonado, Manny | RP | Mile High Mustangs | 18 | 04/16/2015 | Santo Domingo | DOM | Right | Right | 6' 3" | 185 lbs | - |
| Maldonado, Nelson | SP | Brooklyn Black Knights | 17 | 10/26/2016 | Panama | PAN | Right | Right | 6' 4" | 185 lbs | - |
| Maldonado, Willie | SP | Bloomington Blazers | 17 | 05/08/2016 | Nuevitas | CUB | Right | Right | 6' 8" | 220 lbs | - |
| Malfeito, Allvaro | RP | Free Agent | 30 | 06/03/2003 | Maracaibo | VEN | Right | Right | 6' 6" | 225 lbs | - |
| Manasi, Ekagra | RP | Vancouver Pioneers | 33 | 12/08/2000 | Unknown | BAN | Right | Right | 6' 9" | 240 lbs | $1,285,000 |
| Mancebo, Jonathan | RP | Free Agent | 19 | 02/21/2014 | San Miguelito | PAN | Right | Right | 6' 5" | 195 lbs | - |
| Manglorkar, Abalendu | 2B | Quebec Armada | 33 | 11/06/2000 | Unknown | IND | Left | Right | 5' 9" | 185 lbs | $26,630,000 |
| Manjarrez, Jordan | CF | Rubber City Rhinos | 18 | 06/18/2015 | San Salvador | SLV | Left | Left | 6' 1" | 175 lbs | - |
| Mannini, Raúl | RP | Free Agent | 30 | 04/20/2003 | Puerto la Cruz | VEN | Right | Right | 5' 11" | 190 lbs | - |
| Mannion, Callum | CF | Columbus Aces | 21 | 06/15/2012 | Nassau | BAH | Right | Right | 6' 2" | 175 lbs | $550,000 |
| Manrique, Jesus | CF | Georgia Grays | 19 | 10/21/2014 | Delgado | SLV | Right | Right | 6' 2" | 190 lbs | - |
| Mansel, Camden | 1B | Bloomington Blazers | 27 | 01/02/2006 | Toronto | CAN | Switch | Right | 6' 3" | 225 lbs | $2,500,000 |
| Mantecon, Leo | 2B | Rubber City Rhinos | 19 | 02/12/2014 | Santo Domingo | DOM | Right | Right | 6' 5" | 210 lbs | - |
| Manuel, Juan | RP | Jacksonville Jacks | 31 | 09/15/2002 | Unknown | MEX | Left | Left | 6' 2" | 215 lbs | $750,000 |
| Manwaring, Dane | SP | Mile High Mustangs | 24 | 09/27/2009 | London | ENG | Right | Right | 5' 11" | 185 lbs | - |
| Manzano, Jose | RP | Free Agent | 29 | 03/12/2004 | Heredia | CRC | Right | Right | 6' 2" | 220 lbs | - |
| Manzano, Ruben | SS | Free Agent | 20 | 12/11/2013 | Havana | CUB | Right | Right | 5' 10" | 170 lbs | - |
| Manzo, Victor | 3B | Jacksonville Jacks | 19 | 05/09/2014 | Peñuelas | PUR | Right | Right | 6' 3" | 190 lbs | - |
| Marés, Alejandro | SS | Maple Marauders | 22 | 11/08/2011 | Unknown | PAN | Right | Right | 6' 2" | 190 lbs | $2,250,000 |
| Marés, Davis | RP | Free Agent | 31 | 04/26/2002 | Lincoln Park | USA | Right | Right | 6' 4" | 215 lbs | - |
| Marés, Felipe | RP | Georgia Grays | 24 | 09/19/2009 | Unknown | DOM | Right | Right | 6' 1" | 175 lbs | $550,000 |
| Marin, Ramiro | SP | Havana Stogies | 18 | 11/30/2015 | Concepción de Ataco | SLV | Right | Right | 6' 0" | 175 lbs | - |
| Marino, Eduardo | SP | Quebec Armada | 31 | 11/22/2002 | Unknown | GUA | Right | Right | 5' 11" | 185 lbs | $1,500,000 |
| Marino, José | RP | Free Agent | 32 | 02/17/2001 | López Mateos | MEX | Right | Right | 6' 3" | 190 lbs | - |
| Markham, Alan | 3B | Oklahoma City Prowlers | 24 | 09/28/2009 | Gateshead | ENG | Right | Right | 6' 2" | 195 lbs | $900,000 |
| Markiewicz, Ben | SP | Oklahoma City Prowlers | 18 | 11/04/2015 | Tegucigalpa | HON | Right | Right | 6' 0" | 160 lbs | - |
| Markle, Eric | RP | San Francisco Earthquakes | 29 | 07/15/2004 | Oshawa | CAN | Right | Right | 6' 2" | 205 lbs | $850,000 |
| Marmelo, Odoardo | 3B | Free Agent | 27 | 05/30/2006 | Maracay | VEN | Right | Right | 6' 0" | 200 lbs | - |
| Marmolejo, Bill | RF | Kansas City Tornadoes | 16 | 07/22/2017 | Managua | NCA | Left | Left | 6' 1" | 180 lbs | - |
| Márquez, Claudio | RP | Free Agent | 29 | 05/09/2004 | Santa Teresa | VEN | Right | Right | 6' 4" | 200 lbs | - |
| Marquez, Felix | SP | Havana Stogies | 18 | 09/24/2015 | Mayagüez | PUR | Right | Right | 6' 4" | 180 lbs | - |
| Marquez, Ivan | RP | Hawaii Islanders | 19 | 11/27/2014 | Salinas | PUR | Right | Right | 6' 2" | 185 lbs | - |
| Marquez, Jesus | C | Vancouver Pioneers | 17 | 01/23/2016 | Santiago | DOM | Right | Right | 5' 10" | 170 lbs | - |
| Marquez, Jose | CF | Brooklyn Black Knights | 17 | 02/21/2016 | Sabana Grande | PUR | Right | Right | 6' 3" | 195 lbs | - |
| Marquez, Marco | SS | Havana Stogies | 18 | 01/04/2015 | San Rafael | CRC | Right | Right | 6' 0" | 170 lbs | - |
| Marquez, Orlando | C | Free Agent | 18 | 03/14/2015 | Havana | CUB | Right | Right | 5' 11" | 190 lbs | - |
| Márquez, Ramón | RF | Cabo San Lucas Toreros | 24 | 12/30/2009 | Unknown | MEX | Left | Left | 6' 5" | 215 lbs | $550,000 |
| Marquez, Rich | CF | Free Agent | 27 | 09/03/2006 | Cananea | MEX | Left | Right | 5' 8" | 190 lbs | - |
| Marroquin, Enrique | SP | Seattle Sasquatch | 19 | 05/21/2014 | Comendador | DOM | Left | Left | 6' 2" | 185 lbs | - |
| Martell, Marco | SP | Free Agent | 18 | 12/17/2015 | San Rafael del Sur | NCA | Right | Right | 5' 10" | 160 lbs | - |
| Martell, Mario | RF | Free Agent | 19 | 06/07/2014 | Savaneta | ARU | Left | Left | 6' 1" | 190 lbs | - |
| Marti, Alexis | SP | San Francisco Earthquakes | 16 | 10/18/2017 | Chinandega | NCA | Right | Right | 6' 5" | 190 lbs | - |
| Marti, Mike | RF | Brooklyn Black Knights | 17 | 02/07/2016 | Mexico City | MEX | Left | Left | 6' 3" | 190 lbs | - |
| Martin, Keith | RP | Hawaii Islanders | 32 | 02/17/2001 | Columbiana | USA | Right | Right | 6' 6" | 225 lbs | $1,140,000 |
| Martin, Olivier | CL | Portland Beavers | 32 | 02/01/2001 | Unknown | BEL | Left | Right | 6' 2" | 230 lbs | $10,000,000 |
| Martin, Paul | 2B | Free Agent | 27 | 03/21/2006 | Munford | USA | Right | Right | 6' 2" | 200 lbs | - |
| Martin, Phil | LF | Jacksonville Jacks | 17 | 12/15/2016 | Jicotea | HON | Left | Right | 6' 2" | 180 lbs | - |
| Martines, Manuel | 1B | Vancouver Pioneers | 18 | 03/21/2015 | Paraíso | CRC | Left | Left | 6' 2" | 205 lbs | - |
| Martinez, Arturo | SP | Bloomington Blazers | 17 | 11/18/2016 | San Antonio | CRC | Right | Right | 6' 4" | 185 lbs | - |
| Martinez, Carlos | C | Free Agent | 17 | 02/21/2016 | San José | CRC | Right | Right | 6' 1" | 190 lbs | - |
| Martinez, Carlos | 3B | Free Agent | 18 | 10/08/2015 | Carolina | PUR | Right | Right | 6' 1" | 180 lbs | - |
| Martinez, Daniel | SS | Hawaii Islanders | 17 | 03/26/2016 | Carmen | CRC | Right | Right | 6' 2" | 175 lbs | - |
| Martinez, Danny | SS | San Francisco Earthquakes | 28 | 12/26/2005 | Santo Domingo | DOM | Right | Right | 6' 1" | 190 lbs | $550,000 |
| Martinez, Danny | RP | Free Agent | 20 | 07/07/2013 | San Miguel | CRC | Right | Right | 6' 5" | 200 lbs | - |
| Martinez, David | 1B | Rubber City Rhinos | 18 | 01/20/2015 | Nagarote | NCA | Right | Right | 6' 4" | 215 lbs | - |
| Martinez, Diego | SP | Seattle Sasquatch | 18 | 01/17/2015 | Panama | PAN | Right | Right | 6' 3" | 185 lbs | - |
| Martinez, Eduardo | SS | Hawaii Islanders | 18 | 02/26/2015 | Bayamón | PUR | Right | Right | 6' 1" | 165 lbs | - |
| Martinez, Francisco | 1B | Quebec Armada | 17 | 05/18/2016 | Cardenas | CUB | Left | Right | 6' 2" | 205 lbs | - |
| Martinez, Hector | RP | Mile High Mustangs | 19 | 11/13/2014 | San Juan | PUR | Left | Left | 6' 5" | 195 lbs | - |
| Martinez, John | C | Free Agent | 20 | 11/06/2013 | Fajardo | PUR | Switch | Right | 6' 2" | 200 lbs | - |
| Martinez, Jorge | SP | Kansas City Tornadoes | 19 | 12/29/2014 | Tipitapa | NCA | Right | Right | 6' 8" | 220 lbs | - |
| Martínez, Jorge | SS | So Cal Republic | 32 | 11/05/2001 | Martínez | MEX | Right | Right | 6' 4" | 200 lbs | $1,500,000 |
| Martinez, Jose | RP | Vancouver Pioneers | 19 | 09/29/2014 | Santo Domingo | DOM | Right | Right | 6' 2" | 185 lbs | - |
| Martinez, Jose | SP | Free Agent | 20 | 10/23/2013 | La Vega | DOM | Right | Right | 5' 11" | 165 lbs | - |
| Martínez, Juan | RP | Free Agent | 30 | 07/18/2003 | Bronx | USA | Right | Right | 6' 1" | 210 lbs | - |
| Martínez, Juan | SP | Jacksonville Jacks | 25 | 03/06/2008 | Maracay | VEN | Right | Right | 6' 7" | 230 lbs | $550,000 |
| Martinez, Juan | SP | Vancouver Pioneers | 18 | 02/24/2015 | San Juan | PUR | Right | Right | 6' 5" | 200 lbs | - |
| Martínez, Julián | 1B | Free Agent | 30 | 08/16/2003 | Unknown | MEX | Switch | Right | 6' 2" | 200 lbs | - |
| Martinez, Julio | SP | So Cal Republic | 17 | 11/28/2016 | Havana | CUB | Right | Right | 6' 5" | 190 lbs | - |
| Martinez, Leo | C | Free Agent | 18 | 03/13/2015 | La Victoria | DOM | Right | Right | 6' 4" | 200 lbs | - |
| Martínez, Manuel | RP | Havana Stogies | 26 | 08/16/2007 | Buenos Aires | ARG | Right | Right | 6' 0" | 185 lbs | $550,000 |
| Martinez, Marco | RP | Free Agent | 20 | 03/05/2013 | San José | CRC | Left | Left | 5' 9" | 160 lbs | - |
| Martinez, Nelson | CF | Cabo San Lucas Toreros | 18 | 06/05/2015 | Santo Tomas | SLV | Left | Right | 6' 2" | 185 lbs | - |
| Martínez, Pancho | 2B | Quebec Armada | 25 | 12/09/2008 | Unknown | DOM | Right | Right | 6' 1" | 200 lbs | $550,000 |
| Martínez, Pedro | RF | Rubber City Rhinos | 27 | 04/05/2006 | Sutatausa | COL | Left | Left | 6' 3" | 205 lbs | $12,650,000 |
| Martinez, Raul | RP | Bloomington Blazers | 19 | 08/22/2014 | Fajardo | PUR | Right | Right | 6' 3" | 180 lbs | - |
| Martinez, Rico | C | Brooklyn Black Knights | 17 | 04/09/2016 | Mixco | GUA | Right | Right | 6' 3" | 215 lbs | - |
| Martinez, Roberto | C | San Diego Hops | 18 | 07/22/2015 | Tobosi | CRC | Right | Right | 6' 5" | 210 lbs | - |
| Martinez, Ruben | RP | Mile High Mustangs | 19 | 11/10/2014 | Daniel Flores | CRC | Left | Right | 6' 3" | 190 lbs | - |
| Martínez, Sergio | RP | Free Agent | 29 | 11/29/2004 | Ciudad Guayana | VEN | Left | Left | 6' 1" | 200 lbs | - |
| Martinez, Tony | SS | Vancouver Pioneers | 18 | 02/20/2015 | Sancti Spíritus | CUB | Right | Right | 6' 0" | 175 lbs | - |
| Martinez, Tony | 3B | Georgia Grays | 24 | 11/29/2009 | Pine Castle | USA | Right | Right | 6' 0" | 185 lbs | $550,000 |
| Martinez, Tony | SP | Free Agent | 20 | 02/09/2013 | Pinar del Rio | CUB | Right | Right | 6' 4" | 190 lbs | - |
| Martinez, Willie | SP | Free Agent | 18 | 09/12/2015 | La Mitra | PAN | Left | Right | 6' 2" | 180 lbs | - |
| Maruyama, Jin | SP | New York Mafia | 17 | 11/01/2016 | Ogori | JPN | Right | Right | 6' 5" | 195 lbs | - |
| Maruyama, Kyushichi | 3B | Free Agent | 34 | 02/14/1999 | Fujinomiya | JPN | Switch | Right | 6' 3" | 220 lbs | - |
| Mascorro, Edwin | SS | Rubber City Rhinos | 19 | 10/14/2014 | San Rafael Abajo | CRC | Right | Right | 6' 1" | 180 lbs | - |
| Mascote, Cesar | 1B | Bloomington Blazers | 17 | 09/04/2016 | Guaymas | MEX | Right | Right | 6' 4" | 215 lbs | - |
| Mashwanis, Saiyid | RP | Free Agent | 27 | 02/07/2006 | Unknown | PAK | Right | Right | 5' 9" | 185 lbs | - |
| Mata, Bill | C | Columbus Aces | 16 | 05/15/2017 | San Juan | PUR | Left | Right | 6' 0" | 185 lbs | - |
| Mata, Salvador | C | Free Agent | 35 | 12/12/1998 | Facatativa | COL | Right | Right | 6' 1" | 285 lbs | - |
| Mateo, Armando | CF | Georgia Grays | 18 | 06/23/2015 | Santo Domingo | DOM | Right | Right | 6' 1" | 180 lbs | - |
| Mateo, Bobby | LF | San Diego Hops | 19 | 05/31/2014 | Arraijan | PAN | Right | Right | 6' 4" | 205 lbs | - |
| Mateo, Chris | SP | Hawaii Islanders | 19 | 12/18/2014 | Palín | GUA | Right | Left | 5' 10" | 160 lbs | - |
| Mathews, Alexander | C | So Cal Republic | 19 | 11/21/2014 | Willemstad | CUR | Left | Right | 6' 1" | 190 lbs | - |
| Matos, Javier | CF | San Francisco Earthquakes | 19 | 10/19/2014 | Bonao | DOM | Right | Right | 6' 2" | 185 lbs | - |
| Matson, Cyrus | 1B | Kansas City Tornadoes | 16 | 07/15/2017 | Choloma | HON | Right | Right | 6' 2" | 195 lbs | - |
| Matsumoto, Kohei | 1B | Havana Stogies | 29 | 06/06/2004 | Unknown | JPN | Left | Left | 6' 7" | 255 lbs | $11,000,000 |
| Matsumoto, Tamio | SP | Eureka Hornets | 17 | 05/01/2016 | Tokyo | JPN | Right | Right | 6' 6" | 195 lbs | - |
| Matsumura, Hisataka | SP | Free Agent | 24 | 07/15/2009 | Nagoya | JPN | Right | Right | 5' 11" | 190 lbs | - |
| Matsuo, Kazuhiko | C | Seattle Sasquatch | 18 | 12/30/2015 | Wakayama | JPN | Right | Right | 6' 5" | 210 lbs | - |
| Matsuoka, Orinosuke | RP | Quebec Armada | 30 | 02/20/2003 | Unknown | JPN | Left | Left | 6' 0" | 200 lbs | $550,000 |
| Matsuoka, Taiyo | SP | Portland Beavers | 19 | 10/02/2014 | Machida | JPN | Right | Right | 6' 7" | 205 lbs | - |
| Matthews, Ross | C | Georgia Grays | 17 | 02/24/2016 | Groot Piscadera | CUR | Right | Right | 6' 3" | 200 lbs | - |
| Matute, Mario | LF | Free Agent | 25 | 06/03/2008 | Managua | NCA | Right | Right | 6' 2" | 225 lbs | - |
| Mauricio, Victor | CF | Dallas Texans | 19 | 03/10/2014 | Ciudad Bolívar | VEN | Left | Right | 6' 3" | 185 lbs | - |
| Maya, Nelson | C | Brooklyn Black Knights | 18 | 05/15/2015 | Puerto Plata | DOM | Left | Right | 6' 2" | 200 lbs | - |
| Maya, Xavier | SP | Quebec Armada | 19 | 09/30/2014 | Santo Domingo | DOM | Left | Left | 6' 0" | 175 lbs | - |
| Mayen, Guillermo | SS | Free Agent | 19 | 03/14/2014 | Hatillo | PUR | Right | Right | 6' 2" | 180 lbs | - |
| Mayhem, Zeus | LF | So Cal Republic | 28 | 09/01/2005 | Barrow-in-Furness | ENG | Right | Right | 6' 4" | 250 lbs | $7,500,000 |
| Mayne, Dennis | CF | Eureka Hornets | 29 | 05/14/2004 | Shrewsbury | ENG | Left | Left | 6' 0" | 180 lbs | $14,375,000 |
| Maynes, Abraham | 2B | Free Agent | 20 | 08/06/2013 | Huehuetlan | MEX | Right | Right | 6' 0" | 180 lbs | - |
| Mayorquin, Raul | CF | Free Agent | 20 | 06/17/2013 | Ponce | PUR | Left | Left | 6' 0" | 165 lbs | - |
| Mazariego, Jose | SP | Kansas City Tornadoes | 17 | 01/05/2016 | Bayamón | PUR | Right | Right | 6' 0" | 160 lbs | - |
| Mazariegos, Alberto | SP | Seattle Sasquatch | 19 | 06/28/2014 | Bayamón | PUR | Left | Left | 6' 5" | 195 lbs | - |
| McAlear, Bob | 2B | Free Agent | 24 | 07/22/2009 | Thornhill | CAN | Right | Right | 6' 0" | 195 lbs | - |
| McAuley, Floyd | 1B | Seattle Sasquatch | 26 | 01/25/2007 | Unknown | CAN | Switch | Right | 6' 5" | 235 lbs | $550,000 |
| McAvoy, Gary | SP | Free Agent | 17 | 10/21/2016 | Nassau | BAH | Right | Right | 6' 5" | 185 lbs | - |
| McBrier, Sebastian | SP | Hawaii Islanders | 18 | 05/24/2015 | Noord | ARU | Left | Right | 6' 4" | 200 lbs | - |
| McBryde, Steve | SP | Maple Marauders | 29 | 01/09/2004 | North Vancouver | CAN | Right | Right | 6' 1" | 220 lbs | $1,750,000 |
| McCarthy, Todd | RF | Brooklyn Black Knights | 37 | 08/28/1996 | Century | USA | Right | Right | 6' 1" | 230 lbs | $8,000,000 |
| McCaw, Mike | RF | Eureka Hornets | 26 | 03/01/2007 | Unknown | CAN | Right | Right | 6' 1" | 205 lbs | $550,000 |
| McColgan, Peter | SP | Portland Beavers | 28 | 09/28/2005 | Wilmette | USA | Right | Right | 6' 1" | 195 lbs | $550,000 |
| McConnell, Pat | SP | Hawaii Islanders | 27 | 02/02/2006 | Vancouver | CAN | Left | Left | 6' 1" | 210 lbs | $1,000,000 |
| McCormick, Bruno | SP | Free Agent | 33 | 06/14/2000 | Youngstown | USA | Left | Right | 5' 11" | 180 lbs | - |
| McCoy, Cory | RP | Free Agent | 30 | 09/06/2003 | St. Paul | USA | Right | Right | 5' 9" | 170 lbs | - |
| McDonald, Edmund | 1B | Free Agent | 29 | 04/28/2004 | Philadelphia | USA | Left | Left | 6' 5" | 220 lbs | - |
| McGlynn, Christopher | CF | Quebec Armada | 17 | 03/29/2016 | Nassau | BAH | Right | Right | 6' 1" | 170 lbs | - |
| McGrady, Jesse | C | Kansas City Tornadoes | 18 | 02/19/2015 | San Pedro Sula | HON | Right | Right | 6' 0" | 180 lbs | - |
| McIntyre, Bill | LF | Free Agent | 36 | 02/11/1997 | O'Fallon | USA | Right | Right | 6' 0" | 230 lbs | - |
| McKinney, Rick | LF | Free Agent | 27 | 08/01/2006 | Dunellen | USA | Right | Right | 6' 0" | 200 lbs | - |
| McKoy, Omar | LF | Seattle Sasquatch | 21 | 03/18/2012 | Wayne | USA | Switch | Right | 5' 11" | 170 lbs | $550,000 |
| McLain, Jeff | RF | Cabo San Lucas Toreros | 18 | 07/18/2015 | Tocoa | HON | Switch | Left | 6' 3" | 190 lbs | - |
| McLaughlin, Robert | RP | Columbus Aces | 33 | 12/06/2000 | Unknown | USA | Right | Left | 6' 3" | 210 lbs | $1,500,000 |
| McLean, Douggie | 2B | Eureka Hornets | 18 | 05/15/2015 | Nassau | BAH | Right | Right | 6' 0" | 180 lbs | - |
| McLearn, Dave | SS | Maple Marauders | 24 | 12/21/2009 | Toronto | CAN | Right | Right | 6' 1" | 190 lbs | $550,000 |
| McMahon, Dustin | 3B | San Francisco Earthquakes | 33 | 06/26/2000 | Unknown | USA | Right | Right | 6' 2" | 225 lbs | $21,000,000 |
| McNeil, Avery | C | Brooklyn Black Knights | 28 | 11/09/2005 | Berkeley | USA | Left | Right | 5' 10" | 205 lbs | $550,000 |
| McQueen, Norbert | 2B | Free Agent | 36 | 05/04/1997 | Wilmington | USA | Switch | Right | 6' 0" | 215 lbs | - |
| Meaker, Spencer | 2B | Free Agent | 31 | 03/01/2002 | Gainsborough | ENG | Right | Right | 6' 3" | 200 lbs | - |
| Medellín, Felipe | RP | Free Agent | 31 | 07/15/2002 | Unknown | COL | Right | Right | 5' 10" | 165 lbs | - |
| Medellin, Luis | 2B | Quebec Armada | 17 | 12/16/2016 | Managua | NCA | Switch | Right | 6' 3" | 190 lbs | - |
| Medina, Alex | 3B | Georgia Grays | 18 | 04/10/2015 | Dolores | NCA | Right | Right | 6' 1" | 185 lbs | - |
| Medina, Alex | SP | San Diego Hops | 17 | 07/07/2016 | Hormigueros | PUR | Right | Left | 6' 1" | 170 lbs | - |
| Medina, Alex | CF | Jacksonville Jacks | 19 | 11/04/2014 | Yauco | PUR | Switch | Right | 6' 0" | 180 lbs | - |
| Medina, Alex | SP | South Carolina Bombers | 17 | 11/25/2016 | Arraijan | PAN | Right | Left | 6' 2" | 180 lbs | - |
| Medina, Armando | RP | Georgia Grays | 31 | 07/15/2002 | Unknown | USA | Left | Left | 6' 5" | 220 lbs | $550,000 |
| Medina, Danny | SP | Free Agent | 20 | 03/05/2013 | Santiago de las Vegas | CUB | Right | Right | 5' 10" | 165 lbs | - |
| Medina, Edwardo | C | So Cal Republic | 18 | 07/18/2015 | Santo Domingo | DOM | Switch | Right | 6' 1" | 190 lbs | - |
| Medina, Johnny | C | Free Agent | 22 | 05/30/2011 | Candelaria | PUR | Right | Right | 6' 0" | 200 lbs | - |
| Medina, Manny | 2B | San Francisco Earthquakes | 17 | 10/17/2016 | Panama | PAN | Right | Right | 6' 0" | 175 lbs | - |
| Medina, Pedro | SP | Free Agent | 34 | 04/05/1999 | Las Vigas | MEX | Right | Right | 6' 1" | 205 lbs | - |
| Medina, Ricky | 2B | Free Agent | 21 | 05/06/2012 | Managua | NCA | Right | Right | 6' 1" | 175 lbs | - |
| Medina, Ruben | RP | Free Agent | 20 | 06/08/2013 | Tocumen | PAN | Right | Left | 6' 2" | 180 lbs | - |
| Medrano, António | SP | Free Agent | 35 | 10/02/1998 | Venustiano Carranza | MEX | Right | Right | 6' 0" | 200 lbs | - |
| Medrano, Armando | CF | Eureka Hornets | 16 | 03/19/2017 | Cabrican | GUA | Right | Right | 6' 0" | 165 lbs | - |
| Medrano, Sal | SP | Quebec Armada | 16 | 02/13/2017 | Chitré | PAN | Left | Left | 6' 3" | 180 lbs | - |
| Medrano, Willie | CF | Rubber City Rhinos | 18 | 01/23/2015 | Nueva Guinea | NCA | Switch | Right | 6' 2" | 180 lbs | - |
| Meeuwenberg, Levi | 1B | Bloomington Blazers | 25 | 07/29/2008 | New York | USA | Left | Right | 6' 9" | 240 lbs | $9,500,000 |
| Meijs, Carel | SP | Brooklyn Black Knights | 18 | 02/24/2015 | Oranjestad | ARU | Right | Right | 6' 2" | 180 lbs | - |
| Mejia, David | RF | South Carolina Bombers | 16 | 06/03/2017 | Managua | NCA | Right | Right | 6' 1" | 175 lbs | - |
| Mejia, Edwin | 2B | Oklahoma City Prowlers | 19 | 10/10/2014 | Nueva Guinea | NCA | Right | Right | 6' 1" | 185 lbs | - |
| Mejia, Ismael | SP | Bloomington Blazers | 19 | 12/21/2014 | Solola | GUA | Right | Right | 6' 2" | 180 lbs | - |
| Mejia, Melvin | SS | Dallas Texans | 19 | 01/29/2014 | Mayagüez | PUR | Right | Right | 6' 0" | 170 lbs | - |
| Melara, David | SS | Eureka Hornets | 19 | 11/13/2014 | Cojutepeque | SLV | Right | Right | 6' 1" | 170 lbs | - |
| Melchor, Jesus | CF | Hawaii Islanders | 17 | 06/17/2016 | Río Hato | PAN | Left | Left | 6' 5" | 185 lbs | - |
| Melendez, Gustavo | RP | Maple Marauders | 17 | 03/27/2016 | Trinidad | CRC | Right | Right | 6' 7" | 205 lbs | - |
| Melendez, Leo | SS | Free Agent | 19 | 06/12/2014 | Managua | NCA | Left | Right | 5' 11" | 160 lbs | - |
| Melendez, Salvador | RP | Free Agent | 20 | 06/02/2013 | El Ocotito | MEX | Right | Right | 6' 1" | 165 lbs | - |
| Melendrez, Felipe | C | Bloomington Blazers | 20 | 12/11/2013 | San Marcos de Tarrazú | CRC | Left | Right | 6' 0" | 195 lbs | - |
| Melendrez, Marco | C | Portland Beavers | 18 | 11/05/2015 | Santa Ana | SLV | Right | Right | 5' 11" | 185 lbs | - |
| Melgoza, Julio | SS | So Cal Republic | 19 | 01/09/2014 | Trujillo Alto | PUR | Right | Right | 6' 1" | 180 lbs | - |
| Mena, David | CF | Quebec Armada | 18 | 03/04/2015 | Celaya | MEX | Left | Left | 6' 2" | 190 lbs | - |
| Mena, Luis | SP | Free Agent | 22 | 06/11/2011 | Bejucal | CUB | Right | Right | 6' 3" | 185 lbs | - |
| Menchaca, Alex | 2B | Quebec Armada | 19 | 07/05/2014 | San Cristóbal | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Menchaca, Joel | C | Free Agent | 17 | 06/24/2016 | Siquirres | CRC | Right | Right | 6' 1" | 195 lbs | - |
| Mendes, Francisco | SP | Free Agent | 20 | 09/17/2013 | Acacoyagua | MEX | Left | Right | 6' 2" | 185 lbs | - |
| Mendez, Alex | SP | Havana Stogies | 17 | 10/13/2016 | San José | CRC | Right | Right | 6' 2" | 180 lbs | - |
| Méndez, António | RP | Hawaii Islanders | 26 | 06/24/2007 | Barquisimeto | VEN | Left | Right | 6' 0" | 195 lbs | $1,210,000 |
| Mendez, Carlos | SP | Rubber City Rhinos | 20 | 12/01/2013 | Escuintla | GUA | Right | Right | 6' 2" | 180 lbs | - |
| Mendez, Danny | SP | Seattle Sasquatch | 19 | 04/09/2014 | Carolina | PUR | Right | Right | 6' 6" | 195 lbs | - |
| Mendez, Ernesto | SP | Seattle Sasquatch | 17 | 09/11/2016 | Palma Soriano | CUB | Right | Right | 6' 3" | 180 lbs | - |
| Mendez, Israel | SP | Kansas City Tornadoes | 19 | 11/30/2014 | Chitré | PAN | Right | Right | 6' 7" | 210 lbs | - |
| Mendez, Jordan | CF | Brooklyn Black Knights | 17 | 05/04/2016 | Cot | CRC | Right | Right | 6' 3" | 185 lbs | - |
| Mendez, Jordan | SP | Columbus Aces | 16 | 08/26/2017 | Havana | CUB | Switch | Right | 6' 3" | 175 lbs | - |
| Mendez, Juan | SS | Dallas Texans | 19 | 06/13/2014 | Santo Domingo | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Mendez, Luis | SP | Free Agent | 26 | 05/05/2007 | Managua | NCA | Left | Left | 6' 2" | 215 lbs | - |
| Mendez, Macho | RP | Free Agent | 19 | 03/27/2014 | Cariari | CRC | Right | Right | 6' 4" | 190 lbs | - |
| Mendez, Manny | SP | Rubber City Rhinos | 16 | 11/07/2017 | Managua | NCA | Left | Right | 5' 10" | 160 lbs | - |
| Mendez, Omar | SP | Eureka Hornets | 22 | 08/26/2011 | Caguas | PUR | Right | Right | 6' 1" | 185 lbs | - |
| Mendez, Pedro | SP | Eureka Hornets | 19 | 08/25/2014 | Havana | CUB | Right | Right | 5' 10" | 170 lbs | - |
| Mendez, Roberto | SP | Free Agent | 24 | 10/18/2009 | Puebla | MEX | Switch | Right | 6' 5" | 230 lbs | - |
| Mendiola, Mike | C | San Diego Hops | 18 | 10/06/2015 | Higüey | DOM | Right | Right | 6' 1" | 190 lbs | - |
| Mendosa, Juan | SP | Havana Stogies | 18 | 11/20/2015 | Uruapan | MEX | Right | Right | 6' 0" | 170 lbs | - |
| Mendoza, Andres | SS | Free Agent | 20 | 10/30/2013 | Cataño | PUR | Left | Right | 6' 0" | 170 lbs | - |
| Mendoza, Antonio | SP | Seattle Sasquatch | 18 | 05/07/2015 | Llorente | CRC | Right | Right | 6' 0" | 170 lbs | - |
| Mendoza, Arturo | C | South Carolina Bombers | 16 | 01/11/2017 | Carolina | PUR | Right | Right | 6' 4" | 210 lbs | - |
| Mendoza, Hector | SP | Mile High Mustangs | 18 | 02/16/2015 | Managua | NCA | Left | Right | 6' 7" | 205 lbs | - |
| Mendoza, Jesus | SS | Free Agent | 18 | 10/01/2015 | Havana | CUB | Right | Right | 6' 0" | 170 lbs | - |
| Mendoza, Juan | SP | Rubber City Rhinos | 19 | 10/31/2014 | Guantanamo | CUB | Right | Right | 5' 10" | 160 lbs | - |
| Mendoza, Juan | SP | New York Mafia | 36 | 03/11/1997 | Cortazar | MEX | Right | Right | 6' 1" | 190 lbs | $19,000,000 |
| Mendoza, Leo | CF | Eureka Hornets | 19 | 07/24/2014 | San Juan | PUR | Switch | Right | 6' 2" | 180 lbs | - |
| Mendoza, Miguel | SP | So Cal Republic | 18 | 03/20/2015 | Ponce | PUR | Left | Right | 5' 10" | 155 lbs | - |
| Mendoza, Miguel | SS | Free Agent | 19 | 01/09/2014 | Panama | PAN | Right | Right | 5' 8" | 150 lbs | - |
| Mendoza, Miguel | SP | Rubber City Rhinos | 19 | 05/12/2014 | Jacó | CRC | Right | Right | 6' 0" | 170 lbs | - |
| Mendoza, Tony | SP | Brooklyn Black Knights | 18 | 08/21/2015 | Trinidad | CUB | Right | Right | 6' 4" | 185 lbs | - |
| Meneses, Leo | LF | Vancouver Pioneers | 16 | 01/14/2017 | Bayamón | PUR | Left | Left | 6' 1" | 175 lbs | - |
| Meneses, Oscar | SS | Brooklyn Black Knights | 16 | 07/25/2017 | Yabucoa | PUR | Right | Right | 6' 0" | 160 lbs | - |
| Mengal, Aftab | 1B | Free Agent | 30 | 03/21/2003 | Dhoronaro | PAK | Left | Left | 6' 2" | 235 lbs | - |
| Menocal, Chris | CF | Free Agent | 20 | 07/18/2013 | Esperanza | DOM | Left | Left | 6' 0" | 180 lbs | - |
| Mentzer, Robert | LF | Portland Beavers | 23 | 06/05/2010 | Thousand Oaks | USA | Right | Right | 6' 4" | 200 lbs | $550,000 |
| Meraz, Alex | 1B | Free Agent | 20 | 09/22/2013 | Santo Domingo | DOM | Right | Right | 6' 3" | 220 lbs | - |
| Mercado, Edgar | RP | Free Agent | 17 | 07/22/2016 | San Nicolas | CRC | Left | Left | 6' 3" | 180 lbs | - |
| Mercado, Fidel | CF | Kansas City Tornadoes | 18 | 05/15/2015 | San Nicolas de los Garza | MEX | Left | Left | 6' 3" | 190 lbs | - |
| Mercado, Javier | SP | Columbus Aces | 17 | 12/30/2016 | Las Tunas | CUB | Right | Right | 5' 10" | 160 lbs | - |
| Mercado, Jose | RP | Mile High Mustangs | 18 | 12/21/2015 | Aguacaliente | CRC | Left | Left | 6' 4" | 195 lbs | - |
| Mercado, Juan | SP | Eureka Hornets | 18 | 04/01/2015 | Havana | CUB | Right | Right | 6' 4" | 185 lbs | - |
| Mercado, Luis | C | Eureka Hornets | 19 | 02/02/2014 | Mexico City | MEX | Right | Right | 6' 2" | 205 lbs | - |
| Mercado, Pedro | LF | Columbus Aces | 26 | 08/02/2007 | Maracaibo | VEN | Left | Left | 6' 4" | 230 lbs | $550,000 |
| Mercado, Victor | SP | San Diego Hops | 17 | 04/10/2016 | Havana | CUB | Right | Right | 6' 2" | 180 lbs | - |
| Mercado, Wilfredo | RF | Free Agent | 18 | 09/22/2015 | Nueva Guinea | NCA | Right | Left | 5' 10" | 175 lbs | - |
| Merino, Lazaro | RP | Free Agent | 18 | 02/09/2015 | Estelí | NCA | Right | Right | 6' 5" | 195 lbs | - |
| Merolli, Jim | CF | New York Mafia | 17 | 10/09/2016 | Tegucigalpa | HON | Right | Right | 5' 10" | 165 lbs | - |
| Merrado, Robinson | RP | Kansas City Tornadoes | 23 | 12/14/2010 | Unknown | PUR | Right | Right | 6' 2" | 185 lbs | $550,000 |
| Merritt, Bill | 3B | Free Agent | 28 | 05/30/2005 | Bathurst | CAN | Right | Right | 5' 11" | 190 lbs | - |
| Mesa, António | 2B | Free Agent | 30 | 06/03/2003 | Unknown | SLV | Switch | Right | 5' 10" | 210 lbs | - |
| Meshizuka, Shunsho | C | Vancouver Pioneers | 24 | 04/27/2009 | Unknown | JPN | Left | Right | 6' 1" | 200 lbs | $550,000 |
| Meyer, Kyle | SP | South Carolina Bombers | 17 | 04/25/2016 | Mexico City | MEX | Switch | Right | 6' 3" | 185 lbs | - |
| Meza, Angel | RP | Free Agent | 19 | 01/08/2014 | Panama | PAN | Left | Left | 5' 10" | 165 lbs | - |
| Meza, Carlos | CF | Free Agent | 20 | 10/29/2013 | Palmares | CRC | Right | Right | 6' 3" | 195 lbs | - |
| Meza, Eduardo | SP | Georgia Grays | 17 | 03/14/2016 | Corredor | CRC | Switch | Right | 6' 1" | 175 lbs | - |
| Mezrin, Denis | 2B | Free Agent | 30 | 08/22/2003 | Tatarbunary | UKR | Right | Right | 6' 1" | 210 lbs | - |
| Michael, Ike | CF | Free Agent | 20 | 08/11/2013 | El Mochito | HON | Right | Right | 6' 2" | 195 lbs | - |
| Michel, Horst | SP | Rubber City Rhinos | 17 | 06/23/2016 | Son en Breugel | NED | Right | Right | 6' 7" | 210 lbs | - |
| Millener, Jose | SP | San Francisco Earthquakes | 18 | 01/09/2015 | Santo Domingo | DOM | Right | Right | 5' 11" | 170 lbs | - |
| Miller, Anthony | LF | Georgia Grays | 28 | 02/06/2005 | Omaha | USA | Right | Right | 6' 0" | 195 lbs | $550,000 |
| Miller, Beau | SP | South Carolina Bombers | 27 | 05/02/2006 | Galesburg | USA | Left | Left | 6' 2" | 210 lbs | $935,000 |
| Miller, Bob | SS | Free Agent | 32 | 02/03/2001 | Santa Maria | USA | Switch | Right | 6' 3" | 180 lbs | - |
| Miller, Brandon | RP | Free Agent | 26 | 09/26/2007 | Middlebury | USA | Right | Right | 6' 4" | 220 lbs | - |
| Miller, Del | 1B | Free Agent | 28 | 09/18/2005 | Queens | USA | Left | Left | 6' 3" | 245 lbs | - |
| Miller, Tynan | SS | Hawaii Islanders | 24 | 06/05/2009 | West Nyack | USA | Right | Right | 6' 0" | 185 lbs | $550,000 |
| Miller, William | RP | Rubber City Rhinos | 38 | 05/08/1995 | Fresno | USA | Left | Left | 5' 11" | 215 lbs | $2,300,000 |
| Mills, Doug | SS | Mile High Mustangs | 17 | 12/14/2016 | Paradera | ARU | Switch | Right | 6' 1" | 170 lbs | - |
| Min, Zhuo-cheng | CF | Oklahoma City Prowlers | 25 | 10/02/2008 | Unknown | TPE | Left | Left | 6' 2" | 210 lbs | $750,000 |
| Minami, Tadahisa | RP | Seattle Sasquatch | 24 | 03/29/2009 | Unknown | JPN | Switch | Right | 5' 10" | 180 lbs | $550,000 |
| Miner, Peter | SP | Havana Stogies | 30 | 05/04/2003 | Yellowknife | CAN | Left | Left | 6' 3" | 205 lbs | $12,180,000 |
| Miners, Lachlan | 2B | Georgia Grays | 29 | 11/27/2004 | Wollongong | AUS | Right | Right | 6' 0" | 190 lbs | $550,000 |
| Miramontes, Gus | SP | San Diego Hops | 17 | 04/17/2016 | Juarez | MEX | Right | Right | 6' 1" | 170 lbs | - |
| Miranda, Andres | CF | Columbus Aces | 19 | 07/26/2014 | Patarra | CRC | Left | Left | 5' 11" | 165 lbs | - |
| Miranda, Antonio | SP | Hawaii Islanders | 18 | 07/11/2015 | Los Zacatones | MEX | Left | Left | 6' 3" | 190 lbs | - |
| Miranda, Bobby | SP | Havana Stogies | 18 | 10/08/2015 | Chichigalpa | NCA | Right | Right | 6' 3" | 175 lbs | - |
| Miranda, Tony | 1B | Dallas Texans | 17 | 08/09/2016 | Nuevo Progreso | GUA | Right | Left | 6' 2" | 210 lbs | - |
| Miranda, Tony | SP | Vancouver Pioneers | 17 | 11/16/2016 | Caguas | PUR | Right | Left | 6' 1" | 165 lbs | - |
| Mireles, Rich | RF | Vancouver Pioneers | 19 | 03/22/2014 | Espiritu Santo | CRC | Left | Left | 6' 4" | 195 lbs | - |
| Miron, Jon | 1B | Brooklyn Black Knights | 27 | 01/27/2006 | Clermont | CAN | Left | Left | 6' 3" | 210 lbs | $1,000,000 |
| Missel, Luppe | C | Jacksonville Jacks | 28 | 04/01/2005 | Velsen | NED | Right | Right | 6' 0" | 190 lbs | $550,000 |
| Mitchell, Jeff | 1B | Jacksonville Jacks | 24 | 03/25/2009 | Los Angeles | USA | Switch | Right | 5' 11" | 200 lbs | $550,000 |
| Miura, Daisuke | RP | Free Agent | 27 | 07/15/2006 | Kobe | JPN | Switch | Left | 6' 8" | 215 lbs | - |
| Miyahara, Yuugou | 3B | Free Agent | 22 | 07/08/2011 | Tsurugashima | JPN | Right | Right | 6' 1" | 190 lbs | - |
| Miyazaki, Nakazo | RP | Free Agent | 29 | 07/11/2004 | Saitama | JPN | Right | Right | 6' 4" | 220 lbs | - |
| Mizuno, Kunihiko | RP | Brooklyn Black Knights | 29 | 01/02/2004 | Fukuyama | JPN | Right | Right | 6' 0" | 185 lbs | $7,500,000 |
| Mizuno, Sean | 2B | Brooklyn Black Knights | 25 | 11/21/2008 | New York | USA | Right | Right | 6' 0" | 180 lbs | $550,000 |
| Mizutani, Kyoji | SP | Free Agent | 32 | 02/11/2001 | Unknown | JPN | Right | Right | 6' 5" | 235 lbs | - |
| Modesto, Alex | SP | Hawaii Islanders | 16 | 04/17/2017 | David | PAN | Right | Right | 6' 5" | 190 lbs | - |
| Moerenhout, Jaak | RP | Mile High Mustangs | 18 | 09/16/2015 | Willemstad | CUR | Right | Right | 6' 0" | 170 lbs | - |
| Moffatt, Bob | C | San Francisco Earthquakes | 19 | 01/06/2014 | Colonia Santa Fe | HON | Right | Right | 6' 0" | 190 lbs | - |
| Mogeni, Zane | CF | Hawaii Islanders | 25 | 12/24/2008 | Mombasa | KEN | Right | Right | 6' 6" | 235 lbs | $12,000,000 |
| Molina, Armando | SP | Rubber City Rhinos | 19 | 03/07/2014 | Curridabat | CRC | Right | Right | 5' 10" | 170 lbs | - |
| Molina, Octavio | SP | Columbus Aces | 19 | 09/12/2014 | Apopa | SLV | Right | Right | 5' 11" | 175 lbs | - |
| Molina, Orlando | SP | Free Agent | 19 | 01/24/2014 | El Tejar | CRC | Right | Right | 5' 11" | 160 lbs | - |
| Molina, Salvador | SP | Free Agent | 24 | 11/19/2009 | Unknown | PUR | Left | Left | 5' 11" | 175 lbs | - |
| Mollinedo, Alex | SP | Free Agent | 18 | 01/25/2015 | Arecibo | PUR | Right | Right | 6' 6" | 205 lbs | - |
| Molloy, Louis | CF | South Carolina Bombers | 18 | 10/24/2015 | Oranjestad | ARU | Right | Right | 6' 2" | 175 lbs | - |
| Mon, Digi | SS | Kansas City Tornadoes | 25 | 04/16/2008 | Kariya | JPN | Right | Right | 6' 0" | 190 lbs | $550,000 |
| Monarez, Orlando | RP | Free Agent | 18 | 01/21/2015 | León | MEX | Right | Right | 6' 3" | 185 lbs | - |
| Mondragon, Jesus | CF | Free Agent | 19 | 06/23/2014 | Nueva Gorgona | PAN | Left | Left | 5' 10" | 170 lbs | - |
| Monge, Sandy | SS | Columbus Aces | 16 | 05/02/2017 | Tlacotepec | MEX | Switch | Right | 6' 2" | 175 lbs | - |
| Monje, Tony | C | Brooklyn Black Knights | 19 | 06/27/2014 | Siuna | NCA | Right | Right | 5' 11" | 190 lbs | - |
| Monroig, Alex | RP | Free Agent | 20 | 03/23/2013 | García | MEX | Right | Right | 6' 1" | 180 lbs | - |
| Montano, Omar | CF | Rubber City Rhinos | 18 | 09/24/2015 | Mayagüez | PUR | Left | Left | 6' 1" | 190 lbs | - |
| Montantes, Alberto | RF | Bloomington Blazers | 17 | 02/15/2016 | Ponce | PUR | Left | Left | 6' 1" | 170 lbs | - |
| Montelongo, Oscar | 2B | Eureka Hornets | 19 | 01/11/2014 | Managua | NCA | Right | Right | 6' 3" | 190 lbs | - |
| Montero, Alex | CF | Havana Stogies | 16 | 01/21/2017 | Naucalpan | MEX | Left | Left | 6' 2" | 175 lbs | - |
| Montero, Enrique | RP | Free Agent | 22 | 11/02/2011 | Unknown | MEX | Switch | Right | 6' 7" | 215 lbs | - |
| Montero, Manny | RP | Free Agent | 20 | 10/08/2013 | Amatitlan | GUA | Right | Right | 6' 6" | 205 lbs | - |
| Montero, Mike | SS | Kansas City Tornadoes | 19 | 09/20/2014 | San Juan | PUR | Right | Right | 6' 3" | 175 lbs | - |
| Montes, Armando | SP | Dallas Texans | 19 | 04/30/2014 | Bayamón | PUR | Right | Right | 6' 5" | 200 lbs | - |
| Montés, Mario | RP | Free Agent | 30 | 02/21/2003 | San Ignacio | ARG | Right | Right | 6' 3" | 210 lbs | - |
| Montes de Oca, Alex | SP | San Francisco Earthquakes | 20 | 12/26/2013 | San José | CRC | Right | Right | 6' 0" | 180 lbs | - |
| Montez, Johnny | SP | Eureka Hornets | 19 | 11/13/2014 | Ponce | PUR | Left | Left | 6' 1" | 180 lbs | - |
| Montgomery, Cody | SS | Oklahoma City Prowlers | 17 | 06/01/2016 | Tegucigalpa | HON | Right | Right | 6' 3" | 180 lbs | - |
| Montgomery, Dennis | SP | Seattle Sasquatch | 27 | 08/01/2006 | Bonita Springs | USA | Right | Right | 6' 0" | 200 lbs | $550,000 |
| Montijo, Luis | C | San Diego Hops | 16 | 05/03/2017 | Bayamo | CUB | Right | Right | 6' 1" | 180 lbs | - |
| Montoya, Alvaro | CF | Free Agent | 19 | 03/10/2014 | Pedro Brand | DOM | Left | Left | 6' 3" | 190 lbs | - |
| Montoya, Hugo | 1B | San Francisco Earthquakes | 18 | 01/09/2015 | San Juan | PUR | Right | Right | 6' 0" | 185 lbs | - |
| Montoya, Luis | SP | Rubber City Rhinos | 19 | 08/22/2014 | Río Grande | PUR | Right | Right | 6' 1" | 170 lbs | - |
| Montoya, Mario | SP | Cabo San Lucas Toreros | 19 | 04/17/2014 | Puebla | MEX | Left | Left | 6' 0" | 165 lbs | - |
| Moore, Dave | LF | Free Agent | 39 | 03/22/1994 | New York | USA | Left | Left | 6' 1" | 210 lbs | - |
| Moore, Matt | SP | San Francisco Earthquakes | 18 | 08/21/2015 | La Lima | HON | Right | Right | 6' 2" | 175 lbs | - |
| Mora, Alex | SS | Havana Stogies | 19 | 12/30/2014 | Juarez | MEX | Right | Right | 6' 3" | 185 lbs | - |
| Mora, Alex | RP | Free Agent | 19 | 04/25/2014 | San Miguelito | NCA | Left | Left | 6' 3" | 195 lbs | - |
| Mora, Jesus | CF | Free Agent | 16 | 08/03/2017 | Santo Domingo | DOM | Left | Left | 5' 10" | 155 lbs | - |
| Mora, Juan | 1B | Mile High Mustangs | 36 | 12/17/1997 | Unknown | DOM | Left | Right | 6' 7" | 280 lbs | $2,000,000 |
| Mora, Mike | 3B | Bloomington Blazers | 19 | 11/22/2014 | Havana | CUB | Left | Right | 6' 1" | 185 lbs | - |
| Morales, Alex | C | Free Agent | 19 | 02/13/2014 | San José | CRC | Left | Right | 6' 0" | 205 lbs | - |
| Morales, Alfredo | SS | So Cal Republic | 18 | 06/19/2015 | Ponce | PUR | Right | Right | 6' 0" | 160 lbs | - |
| Morales, Cruz | CF | Eureka Hornets | 18 | 03/06/2015 | Guaynabo | PUR | Right | Right | 6' 1" | 170 lbs | - |
| Morales, David | SS | Free Agent | 19 | 06/29/2014 | Havana | CUB | Right | Right | 6' 0" | 165 lbs | - |
| Morales, Eduardo | SP | Dallas Texans | 19 | 11/14/2014 | Villa Bisonó | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Morales, Enrique | RP | Jacksonville Jacks | 30 | 04/15/2003 | Matagalpa | NCA | Left | Left | 5' 11" | 195 lbs | $900,000 |
| Morales, Gus | SP | Quebec Armada | 20 | 11/27/2013 | San Juan | PUR | Left | Right | 6' 4" | 185 lbs | - |
| Morales, Ivan | 1B | Eureka Hornets | 17 | 05/19/2016 | Mercedes | CRC | Right | Right | 6' 0" | 190 lbs | - |
| Morales, Iván | CF | Quebec Armada | 23 | 05/11/2010 | Unknown | PUR | Right | Right | 6' 3" | 210 lbs | $550,000 |
| Morales, Jesus | SP | Hawaii Islanders | 18 | 05/20/2015 | Cumana | VEN | Left | Left | 6' 1" | 175 lbs | - |
| Morales, Jesus | SP | San Diego Hops | 17 | 12/14/2016 | Cardenas | CUB | Right | Right | 6' 3" | 185 lbs | - |
| Morales, Jonathan | SP | Brooklyn Black Knights | 16 | 02/27/2017 | San Juan | PUR | Switch | Right | 6' 4" | 185 lbs | - |
| Morales, Lorenzo | SP | Free Agent | 17 | 01/24/2016 | Estelí | NCA | Left | Left | 6' 1" | 170 lbs | - |
| Morales, Luis | CF | New York Mafia | 22 | 04/06/2011 | Unknown | MEX | Right | Right | 6' 1" | 195 lbs | $550,000 |
| Morales, Manny | SS | San Diego Hops | 18 | 10/12/2015 | Guadalupe | CRC | Left | Right | 5' 11" | 170 lbs | - |
| Morales, Mario | 1B | Free Agent | 19 | 11/29/2014 | Havana | CUB | Right | Right | 6' 2" | 205 lbs | - |
| Morales, Miguel | SP | Quebec Armada | 19 | 11/04/2014 | Toluca | MEX | Right | Right | 6' 0" | 175 lbs | - |
| Morales, Victor | CF | Free Agent | 19 | 05/13/2014 | Santo Domingo | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Morán, Cristo | C | Columbus Aces | 31 | 09/02/2002 | Unknown | PUR | Right | Right | 6' 1" | 225 lbs | $6,150,000 |
| Moran, Felix | CF | Quebec Armada | 18 | 12/03/2015 | Las Tunas | CUB | Left | Left | 6' 0" | 175 lbs | - |
| Morán, Lorenzo | 2B | Free Agent | 22 | 01/14/2011 | Unknown | CRC | Right | Right | 6' 1" | 180 lbs | - |
| Moreira, Efrain | SP | Jacksonville Jacks | 18 | 05/13/2015 | San Juan | PUR | Right | Right | 6' 4" | 185 lbs | - |
| Moreno, Alejandro | 3B | Portland Beavers | 19 | 05/19/2014 | Havana | CUB | Right | Right | 6' 2" | 190 lbs | - |
| Moreno, Alex | RP | Free Agent | 18 | 06/20/2015 | La Mesa | PAN | Right | Right | 5' 10" | 160 lbs | - |
| Moreno, Antonio | SP | Quebec Armada | 19 | 09/07/2014 | Chilibre | PAN | Left | Left | 6' 6" | 200 lbs | - |
| Moreno, Armando | 2B | Free Agent | 35 | 11/09/1998 | Guadalajara | MEX | Left | Right | 6' 0" | 205 lbs | - |
| Moreno, Carlos | SP | San Francisco Earthquakes | 18 | 12/16/2015 | Aibonito | PUR | Switch | Right | 6' 6" | 205 lbs | - |
| Moreno, Cesar | SP | Quebec Armada | 19 | 08/31/2014 | Isla de Maipo | CHI | Switch | Left | 6' 6" | 200 lbs | - |
| Moreno, Danny | SP | Georgia Grays | 19 | 08/16/2014 | Managua | NCA | Right | Right | 6' 1" | 175 lbs | - |
| Moreno, David | SP | Jacksonville Jacks | 18 | 04/04/2015 | Managua | NCA | Right | Left | 6' 2" | 180 lbs | - |
| Moreno, David | SS | San Francisco Earthquakes | 19 | 02/05/2014 | León | MEX | Right | Right | 6' 0" | 170 lbs | - |
| Moreno, Hector | RP | Free Agent | 21 | 12/23/2012 | Panama | PAN | Right | Right | 6' 6" | 200 lbs | - |
| Moreno, Jorge | RF | San Diego Hops | 36 | 10/06/1997 | Bethlehem | USA | Left | Left | 6' 0" | 245 lbs | $1,430,000 |
| Moreno, Miguel | CF | Cabo San Lucas Toreros | 18 | 03/28/2015 | Diriamba | NCA | Right | Right | 5' 10" | 165 lbs | - |
| Moreno, Mike | SP | Dallas Texans | 19 | 07/16/2014 | León | MEX | Left | Left | 6' 7" | 210 lbs | - |
| Moreno, Omar | RP | Free Agent | 20 | 01/22/2013 | El Cercado | DOM | Right | Right | 5' 11" | 175 lbs | - |
| Moreno, Pablo | CF | Dallas Texans | 23 | 06/02/2010 | Unknown | PUR | Right | Left | 6' 2" | 205 lbs | $550,000 |
| Moreno, Ruben | SP | Seattle Sasquatch | 18 | 11/15/2015 | David | PAN | Right | Right | 6' 7" | 200 lbs | - |
| Moreno, Sergio | SP | Cabo San Lucas Toreros | 19 | 08/22/2014 | Santo Domingo | DOM | Left | Left | 6' 6" | 205 lbs | - |
| Moreno, Victor | RF | Free Agent | 19 | 05/20/2014 | Havana | CUB | Left | Left | 6' 3" | 190 lbs | - |
| Morín, Javier | SS | Free Agent | 22 | 04/06/2011 | Unknown | CUB | Right | Right | 6' 2" | 190 lbs | - |
| Morin, Jesus | 1B | Brooklyn Black Knights | 18 | 05/07/2015 | Santo Domingo | DOM | Left | Left | 6' 0" | 195 lbs | - |
| Morita, Nobuharu | LF | Oklahoma City Prowlers | 24 | 02/24/2009 | Aomori | JPN | Right | Right | 6' 0" | 195 lbs | $550,000 |
| Morita, Yoshitake | SS | New York Mafia | 28 | 08/20/2005 | Atsugi | JPN | Left | Right | 6' 3" | 225 lbs | - |
| Morocho, Reynaldo | SP | Dallas Texans | 18 | 04/05/2015 | Pocrí | PAN | Right | Right | 6' 0" | 170 lbs | - |
| Morones, Tony | RP | Free Agent | 20 | 04/19/2013 | San Rafael | CRC | Left | Left | 6' 0" | 170 lbs | - |
| Moronta, Santiago | 2B | Georgia Grays | 17 | 03/17/2016 | Banes | CUB | Right | Right | 6' 0" | 175 lbs | - |
| Moroyoqui, Frank | RP | Free Agent | 29 | 05/02/2004 | Pachuca | MEX | Right | Right | 6' 7" | 235 lbs | - |
| Morris, Henry | 2B | Bloomington Blazers | 27 | 10/22/2006 | Derby | ENG | Right | Right | 6' 4" | 210 lbs | $850,000 |
| Morris, Jack | 3B | Bloomington Blazers | 24 | 11/02/2009 | Bakersfield | USA | Right | Right | 5' 11" | 195 lbs | $5,000,000 |
| Morris, Leroy | C | Eureka Hornets | 18 | 10/06/2015 | Willemstad | CUR | Right | Right | 6' 1" | 185 lbs | - |
| Mota, Freddy | SS | Kansas City Tornadoes | 18 | 11/27/2015 | Salamanca | MEX | Right | Right | 6' 1" | 175 lbs | - |
| Mottram, Edward | SP | San Diego Hops | 16 | 10/31/2017 | Frederiksted Southeast | VIR | Right | Right | 5' 10" | 165 lbs | - |
| Moya, Frank | RP | Mile High Mustangs | 18 | 03/10/2015 | León | MEX | Switch | Right | 6' 6" | 200 lbs | - |
| Mudigonda, Ashis | 3B | Vancouver Pioneers | 31 | 05/14/2002 | Gopalganj | IND | Right | Right | 6' 2" | 220 lbs | $18,750,000 |
| Muller, Hervé | RP | Georgia Grays | 29 | 02/20/2004 | Crabtree | CAN | Left | Left | 6' 1" | 195 lbs | $550,000 |
| Mullins, Todd | SP | So Cal Republic | 28 | 10/07/2005 | Middleton | CAN | Right | Right | 6' 0" | 195 lbs | $550,000 |
| Mumcu, Hulusi | RP | Free Agent | 30 | 04/28/2003 | Unknown | TUR | Right | Right | 6' 4" | 225 lbs | - |
| Munier, Dave | RP | Georgia Grays | 26 | 08/11/2007 | Unknown | CAN | Left | Left | 6' 3" | 205 lbs | $550,000 |
| Muniz, Antonio | C | Georgia Grays | 16 | 01/01/2017 | Juigalpa | NCA | Left | Right | 6' 0" | 185 lbs | - |
| Muniz, Willie | SP | Rubber City Rhinos | 19 | 11/16/2014 | Saltillo | MEX | Right | Right | 5' 10" | 165 lbs | - |
| Munoz, Alex | C | Free Agent | 17 | 06/19/2016 | Managua | NCA | Right | Right | 6' 0" | 190 lbs | - |
| Munoz, Eduardo | SS | Georgia Grays | 17 | 12/12/2016 | Santo Domingo | DOM | Right | Right | 5' 10" | 160 lbs | - |
| Munoz, Gil | RP | Free Agent | 20 | 09/13/2013 | Guatemala | GUA | Right | Right | 6' 1" | 180 lbs | - |
| Munoz, Guillermo | SP | Georgia Grays | 17 | 02/23/2016 | Managua | NCA | Right | Right | 5' 11" | 160 lbs | - |
| Munoz, Hector | RP | Free Agent | 19 | 08/23/2014 | Panama | PAN | Right | Right | 6' 2" | 180 lbs | - |
| Munoz, Hector | SP | Free Agent | 20 | 05/12/2013 | Cuernavaca | MEX | Left | Left | 6' 6" | 200 lbs | - |
| Munoz, Jose | RP | Vancouver Pioneers | 27 | 05/28/2006 | Mexico City | MEX | Right | Right | 6' 7" | 240 lbs | $675,000 |
| Murakami, Narihira | SS | Havana Stogies | 28 | 04/01/2005 | Ishioka | JPN | Switch | Right | 6' 0" | 210 lbs | $6,100,000 |
| Murchison, Tom | RP | Seattle Sasquatch | 24 | 02/22/2009 | Unknown | CAN | Left | Right | 6' 2" | 195 lbs | $550,000 |
| Murillo, Alberto | SS | Havana Stogies | 17 | 02/21/2016 | San Isidro | NCA | Switch | Right | 6' 0" | 160 lbs | - |
| Murillo, Alonzo | SP | South Carolina Bombers | 17 | 05/22/2016 | Masaya | NCA | Right | Right | 6' 5" | 190 lbs | - |
| Murillo, Fernando | LF | Brooklyn Black Knights | 36 | 07/26/1997 | Cotuí | DOM | Left | Left | 6' 0" | 215 lbs | $13,000,000 |
| Murillo, Melvin | C | Jacksonville Jacks | 17 | 05/05/2016 | San Miguelito | PAN | Right | Right | 6' 2" | 195 lbs | - |
| Murphy, Baden | 1B | Oklahoma City Prowlers | 39 | 09/29/1994 | Sydney | AUS | Left | Right | 6' 5" | 255 lbs | $4,200,000 |
| Murphy, Lloyd | CF | Georgia Grays | 22 | 06/01/2011 | Tegucigalpa | HON | Right | Right | 6' 3" | 190 lbs | $550,000 |
| Murray, Jake | C | Columbus Aces | 19 | 11/28/2014 | Tegucigalpa | HON | Right | Right | 6' 6" | 220 lbs | - |
| Murray, Stephen | CF | Columbus Aces | 18 | 03/06/2015 | Oranjestad | ARU | Left | Left | 5' 10" | 155 lbs | - |
| Mus'ad, Azeem | SP | Georgia Grays | 17 | 11/03/2016 | Rishon LeZ_iyyon | ISR | Left | Right | 6' 6" | 200 lbs | - |
| Myers, David | RP | Kansas City Tornadoes | 27 | 02/28/2006 | Stockton | USA | Left | Left | 6' 2" | 200 lbs | $550,000 |
