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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ma, Jizu | CF | Free Agent | 17 | 08/24/2065 | Fengyuan | TPE | Switch | Right | 6' 4" | 180 lbs | - |
| Ma, Shenghua | SP | Free Agent | 15 | 04/28/2067 | Chattanooga | USA | Left | Left | 6' 1" | 160 lbs | - |
| Macalagay, Brien | SP | Florida Marlins | 17 | 11/16/2065 | Dipolog | PHI | Right | Right | 6' 4" | 190 lbs | - |
| MacArthur, Max | RP | Free Agent | 21 | 01/13/2062 | Dover | USA | Right | Right | 6' 8" | 220 lbs | - |
| MacCorkindale, Maggie | 1B | Chicago Cubs | 35 | 07/05/2047 | Milford | USA | Right | Right | 6' 0" | 200 lbs | $15,000,000 |
| Macedo, David | C | Free Agent | 24 | 04/28/2058 | Alto del Espino | PAN | Right | Right | 6' 1" | 200 lbs | - |
| Machado, Zingalo | C | Free Agent | 16 | 06/19/2066 | Reynosa | MEX | Right | Right | 5' 11" | 180 lbs | - |
| Macher, Attila | SP | Chicago Cubs | 18 | 08/03/2064 | Auckland | NZL | Left | Right | 6' 5" | 195 lbs | - |
| Macias, Alberto | 2B | Free Agent | 17 | 03/31/2065 | Panama | PAN | Right | Right | 6' 2" | 155 lbs | - |
| Macias, Carlos | RF | Free Agent | 17 | 04/08/2065 | Isla Mujeres | MEX | Left | Left | 6' 4" | 190 lbs | - |
| Macias, Michael | SP | Free Agent | 16 | 10/29/2066 | Managua | NCA | Left | Left | 6' 3" | 170 lbs | - |
| Maciel, Melky | 3B | Free Agent | 18 | 05/18/2064 | Santo Domingo | DOM | Right | Right | 6' 1" | 180 lbs | - |
| Maciel, Miguel | 3B | Florida Marlins | 20 | 12/03/2062 | Tlaquepaque | MEX | Right | Right | 6' 1" | 185 lbs | - |
| Mackey, Cutler | 2B | Free Agent | 16 | 03/06/2066 | Springville | USA | Right | Right | 6' 1" | 180 lbs | - |
| Madayag, Peter | 3B | Free Agent | 24 | 05/10/2058 | Dasmariñas | PHI | Right | Right | 6' 0" | 200 lbs | - |
| Maddox, Alex | RP | Free Agent | 28 | 04/10/2054 | Marshall | USA | Right | Right | 6' 0" | 185 lbs | - |
| Madrid, Samuel | RP | Free Agent | 19 | 05/04/2063 | Colón | CUB | Right | Right | 5' 11" | 170 lbs | - |
| Madrigal, Samson | SP | Montreal Expos | 30 | 07/11/2052 | Porlamar | VEN | Left | Left | 6' 3" | 200 lbs | $4,892,800 |
| Madrigal, Sebastian | SP | Philadelphia Phillies | 18 | 07/31/2064 | Guaynabo | PUR | Right | Right | 5' 9" | 155 lbs | - |
| Madsen, Trevor | SS | Free Agent | 16 | 11/24/2066 | Los Angeles | USA | Right | Right | 6' 2" | 170 lbs | - |
| Maestas, Martin | RP | Montreal Expos | 18 | 09/17/2064 | Puerto la Cruz | VEN | Right | Right | 6' 6" | 190 lbs | - |
| Magana, Breno | SP | Free Agent | 19 | 12/24/2063 | Valencia | VEN | Right | Right | 6' 2" | 180 lbs | - |
| Magana, Poseidon | RF | Houston Astros | 17 | 06/22/2065 | La Vega | DOM | Left | Left | 6' 0" | 195 lbs | - |
| Magana, Santiago | RP | Guadalajara Tequileros | 23 | 03/05/2059 | Corozal | PUR | Right | Right | 6' 1" | 190 lbs | - |
| Magana, Ventana | C | Free Agent | 17 | 08/17/2065 | Paquera | CRC | Right | Right | 6' 6" | 200 lbs | - |
| Maggs, Hubert | C | Free Agent | 17 | 10/13/2065 | Albuquerque | USA | Switch | Right | 6' 2" | 190 lbs | - |
| Maguire, Kendrick | SS | Free Agent | 21 | 04/04/2061 | Peoria | USA | Right | Right | 6' 0" | 185 lbs | - |
| Magyar, Daniel | C | Free Agent | 16 | 04/10/2066 | Waitakere | NZL | Right | Right | 6' 1" | 180 lbs | - |
| Mahler, Roland | SP | Free Agent | 21 | 05/17/2061 | Christchurch | NZL | Left | Right | 6' 2" | 195 lbs | - |
| Mai, Tông | SS | New York Mets | 28 | 08/26/2054 | Pittsburgh | USA | Right | Right | 6' 0" | 195 lbs | $5,000,000 |
| Majano, Arturo | SP | Free Agent | 19 | 07/13/2063 | Boise | USA | Left | Right | 6' 4" | 190 lbs | - |
| Majorca, Josep | RP | Philadelphia Phillies | 25 | 01/31/2057 | Cerro Punta | PAN | Right | Right | 6' 2" | 195 lbs | $580,000 |
| Maka'alohi, Rai | SS | Florida Marlins | 26 | 03/17/2056 | Tafuna | ASA | Right | Right | 6' 3" | 195 lbs | $2,940,000 |
| Makai, Ödön | 3B | Free Agent | 17 | 08/29/2065 | Auckland | NZL | Right | Right | 6' 2" | 195 lbs | - |
| Makkonen, Tero | SP | Montreal Expos | 18 | 02/14/2064 | Pori | FIN | Left | Right | 6' 4" | 185 lbs | - |
| Maldonado, Livan | SP | Baltimore Orioles | 16 | 06/27/2066 | Comerío | PUR | Right | Right | 6' 2" | 170 lbs | - |
| Maliki, Omran | SS | Free Agent | 17 | 07/21/2065 | al-Hammah | TUN | Right | Right | 6' 2" | 170 lbs | - |
| Mallory, Artie | C | Free Agent | 18 | 04/20/2064 | Nassau | BAH | Right | Right | 6' 2" | 180 lbs | - |
| Man, Connor | RP | Free Agent | 16 | 12/01/2066 | Flower Mound | USA | Right | Right | 6' 3" | 175 lbs | - |
| Mancillas, Hugo | SS | Detroit Tigers | 17 | 10/22/2065 | Guamúchil | MEX | Right | Right | 6' 1" | 190 lbs | - |
| Mancini, Gavino | SP | Free Agent | 21 | 08/17/2061 | Gardone Val Trompia | ITA | Left | Left | 6' 2" | 195 lbs | - |
| Mane, Skylar | C | Free Agent | 16 | 07/26/2066 | Rialto | USA | Right | Right | 6' 1" | 180 lbs | - |
| Maneedoungrit, Jirapan | RP | Free Agent | 19 | 05/07/2063 | Surrey | CAN | Right | Right | 6' 0" | 170 lbs | - |
| Mang, Hoang | SP | Free Agent | 15 | 06/18/2067 | Waller | USA | Left | Right | 6' 2" | 160 lbs | - |
| Manhart, Colt | LF | Free Agent | 18 | 05/20/2064 | Evans | USA | Right | Right | 5' 10" | 165 lbs | - |
| Manjarrez, Timo | SP | Cincinnati Reds | 28 | 06/24/2054 | Tarrytown | USA | Right | Right | 6' 0" | 200 lbs | $19,500,000 |
| Manley, Arun | RP | Free Agent | 17 | 05/26/2065 | Beechwood Trails | USA | Left | Left | 6' 2" | 175 lbs | - |
| Manninen, Lassi-Pekka | CF | Orlando Thoroughbreds | 18 | 05/18/2064 | Kerava | FIN | Left | Left | 6' 1" | 185 lbs | - |
| Manriquez, Dionysio | C | Free Agent | 18 | 01/22/2065 | Sancti Spíritus | CUB | Right | Right | 6' 6" | 200 lbs | - |
| Manriquez, Sebastian | 1B | Orlando Thoroughbreds | 27 | 07/07/2055 | Opopeo | MEX | Right | Right | 6' 3" | 200 lbs | $1,300,000 |
| Mansiri, Kittipong | 1B | Kansas City Monarchs | 24 | 04/29/2058 | Vancouver | CAN | Left | Left | 6' 5" | 200 lbs | - |
| Mantecon, J.M. | SP | Free Agent | 17 | 01/24/2066 | Greenville | USA | Right | Right | 6' 2" | 180 lbs | - |
| Manzanares, Carlos | CF | Free Agent | 18 | 07/22/2064 | Palmira | COL | Right | Right | 6' 2" | 195 lbs | - |
| Mao, Jingdao | RP | Baltimore Orioles | 27 | 09/10/2055 | Brisbane | AUS | Right | Right | 6' 5" | 200 lbs | $2,000,000 |
| Mar, Soo | CF | Detroit Tigers | 31 | 11/11/2051 | Seoul | KOR | Right | Right | 6' 1" | 200 lbs | $24,000,000 |
| Maravi, Jacob | RP | Free Agent | 21 | 03/13/2061 | Schuyler Falls | USA | Switch | Right | 6' 0" | 180 lbs | - |
| Maravilla, Simon | CF | Cleveland Spiders | 23 | 08/25/2059 | San Pedro de Macorís | DOM | Left | Left | 6' 3" | 175 lbs | $580,000 |
| Marcano, Cláudio | RF | Free Agent | 16 | 08/11/2066 | Bogota | COL | Left | Left | 6' 2" | 170 lbs | - |
| Marceau, Melvyn | RF | Philadelphia Phillies | 17 | 08/14/2065 | Toronto | CAN | Left | Left | 6' 4" | 195 lbs | - |
| Mares, Justino | SS | Charlotte Aviators | 33 | 06/24/2049 | San Juan | PUR | Right | Right | 6' 2" | 205 lbs | $1,700,000 |
| Marfil, Noe | RF | Free Agent | 17 | 02/25/2065 | Yarmouth | USA | Left | Left | 6' 2" | 180 lbs | - |
| Margarini, Ciro | 3B | Free Agent | 23 | 06/02/2059 | Pampatar | VEN | Right | Right | 6' 1" | 205 lbs | - |
| Maria, Julio | 3B | Free Agent | 22 | 11/19/2060 | Brooklyn | USA | Right | Right | 6' 1" | 190 lbs | - |
| Marina, Sylvinio | 1B | Philadelphia Phillies | 17 | 08/19/2065 | San Carlos del Zulia | VEN | Right | Right | 6' 3" | 200 lbs | - |
| Mariscal, Aluizio | SS | Free Agent | 15 | 04/12/2067 | Panama | PAN | Switch | Right | 6' 2" | 170 lbs | - |
| Marmol, Ronel | SP | Chicago Cubs | 16 | 10/27/2066 | Pinar del Rio | CUB | Switch | Left | 6' 0" | 165 lbs | - |
| Marques, Alfredo | LF | Free Agent | 16 | 04/04/2066 | Maracaibo | VEN | Right | Right | 6' 4" | 200 lbs | - |
| Marquez, Jeremias | SP | Free Agent | 19 | 05/09/2063 | Jagüey Grande | CUB | Right | Right | 5' 11" | 165 lbs | - |
| Marquez, Pablo | SP | Chicago Cubs | 19 | 09/21/2063 | Santo Domingo | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Marquez, Zózimo | C | Philadelphia Phillies | 23 | 06/05/2059 | Alcalde Díaz | PAN | Left | Right | 6' 0" | 190 lbs | - |
| Marquina, Lúcio | RP | Minnesota Twins | 27 | 02/12/2055 | Santo Domingo | DOM | Left | Left | 5' 11" | 175 lbs | $1,600,000 |
| Marr, Earl | RP | Free Agent | 25 | 06/16/2057 | Santa Ana | USA | Right | Right | 6' 5" | 210 lbs | - |
| Marrero, Honorio | RP | Free Agent | 21 | 05/26/2061 | Goshen | USA | Left | Left | 6' 2" | 200 lbs | - |
| Marrero, Yorian | RP | St. Louis Cardinals | 19 | 11/26/2063 | Barquisimeto | VEN | Right | Left | 6' 2" | 185 lbs | - |
| Marrocco, Elijah | 3B | Free Agent | 17 | 08/16/2065 | Parsippany | USA | Right | Right | 6' 2" | 185 lbs | - |
| Mars, Arlo | SS | Free Agent | 31 | 09/14/2051 | Havana | CUB | Right | Right | 6' 6" | 200 lbs | - |
| Marshall, Josiah | CF | Free Agent | 17 | 10/25/2065 | Muskogee | USA | Right | Right | 6' 2" | 180 lbs | - |
| Martin, Dalis | C | Free Agent | 17 | 08/24/2065 | Cambridge | USA | Right | Right | 6' 1" | 185 lbs | - |
| Martin, Diego | C | Free Agent | 18 | 10/16/2064 | Cheviot | USA | Right | Right | 6' 5" | 230 lbs | - |
| Martin, Thomas | C | Free Agent | 18 | 05/03/2064 | Port Erin | IOM | Right | Right | 6' 2" | 195 lbs | - |
| Martinez, D.J. | RP | Free Agent | 21 | 11/19/2061 | Andrews AFB | USA | Right | Right | 6' 0" | 185 lbs | - |
| Martins, Pedro | RP | Free Agent | 16 | 07/08/2066 | Barquisimeto | VEN | Right | Right | 6' 4" | 180 lbs | - |
| Martos, Bernát | 1B | Free Agent | 16 | 08/01/2066 | Christchurch | NZL | Switch | Right | 6' 6" | 205 lbs | - |
| Martín, Alfredo | SP | Pittsburgh Pirates | 19 | 08/26/2063 | Santo Domingo | DOM | Left | Left | 6' 6" | 195 lbs | - |
| Martín, Manny | RF | Free Agent | 18 | 11/18/2064 | Havana | CUB | Left | Left | 6' 5" | 200 lbs | - |
| Martín, Marc | C | Free Agent | 15 | 02/11/2067 | General Escobedo | MEX | Right | Right | 6' 0" | 180 lbs | - |
| Martín, Oscar | RF | Free Agent | 18 | 05/01/2064 | Derby | USA | Left | Left | 6' 1" | 170 lbs | - |
| Martín, Roberto | C | Free Agent | 19 | 11/04/2063 | Carolina | PUR | Left | Right | 6' 5" | 205 lbs | - |
| Martín, Sammie | SP | New York Mets | 18 | 11/18/2064 | La Romana | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Martín, Ángel | CF | Orlando Thoroughbreds | 26 | 02/17/2056 | Santa Isabel | PUR | Right | Right | 6' 4" | 200 lbs | $580,000 |
| Martínez, Carlos | RP | Free Agent | 17 | 06/02/2065 | León | NCA | Left | Left | 6' 4" | 185 lbs | - |
| Marín, Josue | SP | Los Angeles Dodgers | 29 | 06/28/2053 | Ezequiel Montes | MEX | Right | Right | 6' 4" | 200 lbs | $4,260,000 |
| Marín, Maiker | 1B | Free Agent | 20 | 10/22/2062 | Guanare | VEN | Right | Right | 6' 2" | 205 lbs | - |
| Marín, Marcos | RF | Free Agent | 20 | 08/14/2062 | Güines | CUB | Right | Left | 5' 11" | 190 lbs | - |
| Marín, Rey | 3B | Montreal Expos | 16 | 08/23/2066 | Caracas | VEN | Left | Right | 6' 0" | 200 lbs | - |
| Marín, Victor | SP | Boston Red Sox | 22 | 04/09/2060 | Maracaibo | VEN | Left | Right | 6' 2" | 180 lbs | $580,000 |
| Maróczy, József | 2B | Free Agent | 18 | 02/25/2064 | Rotorua | NZL | Right | Right | 6' 1" | 185 lbs | - |
| Masbu-ngor, Chainarong | LF | Boston Red Sox | 18 | 01/08/2065 | Mississauga | CAN | Right | Right | 6' 4" | 205 lbs | - |
| Mascolo, Carlino | SS | Free Agent | 16 | 09/25/2066 | San Giovanni Lupatoto | ITA | Right | Right | 6' 2" | 180 lbs | - |
| Master, Isaiah | LF | Los Angeles Angels | 31 | 12/02/2051 | Latimer | USA | Right | Right | 6' 2" | 195 lbs | $17,000,000 |
| Mastrino, Logan | SP | Free Agent | 18 | 03/28/2064 | Caguas | PUR | Switch | Right | 6' 2" | 170 lbs | - |
| Maszk, Carter | 1B | Free Agent | 21 | 02/26/2061 | Checotah | USA | Left | Right | 6' 0" | 200 lbs | - |
| Mata, Yosemi | C | Free Agent | 20 | 03/27/2062 | Waihe'e-Waiehu | USA | Right | Right | 6' 1" | 190 lbs | - |
| Mateo, Victor | CF | Free Agent | 17 | 07/16/2065 | Trujillo Alto | PUR | Right | Right | 6' 4" | 180 lbs | - |
| Mathewson, Santino | 1B | Free Agent | 21 | 10/26/2061 | Baltimore | USA | Right | Right | 6' 5" | 225 lbs | - |
| Mathis, Landon | RP | Free Agent | 20 | 06/18/2062 | Wheeling | USA | Right | Right | 6' 2" | 190 lbs | - |
| Matin, Mo | 3B | Free Agent | 17 | 12/21/2065 | Sidi Amran | ALG | Right | Right | 6' 0" | 165 lbs | - |
| Matkhow, Jet | SP | Anchorage Otters | 19 | 07/21/2063 | Aurora | CAN | Right | Right | 6' 0" | 170 lbs | - |
| Matos, Henri | SP | Free Agent | 15 | 07/02/2067 | Coro | VEN | Switch | Right | 6' 3" | 170 lbs | - |
| Matos, Sebastian | 1B | Milwaukee Brewers | 30 | 04/01/2052 | San Francisco | CRC | Left | Left | 6' 1" | 200 lbs | $2,424,000 |
| Matson Jr., Jonathan | LF | Free Agent | 17 | 03/22/2065 | Collier Manor-Cresthaven | USA | Right | Right | 6' 4" | 195 lbs | - |
| Matsukawa, Yui | CF | Free Agent | 15 | 03/28/2067 | Omaezaki | JPN | Right | Right | 6' 2" | 195 lbs | - |
| Matsumoto, Taikan | CF | Free Agent | 18 | 12/11/2064 | Tokyo | JPN | Left | Left | 6' 0" | 180 lbs | - |
| Matsumoto, Tameo | SP | Free Agent | 16 | 09/14/2066 | Kurosaki | JPN | Right | Right | 6' 2" | 175 lbs | - |
| Matsuura, Masamichi | SS | New York Mets | 25 | 11/12/2057 | Shizuoka | JPN | Right | Right | 6' 2" | 200 lbs | $580,000 |
| Matthew, Channing | CF | Texas Rangers | 22 | 03/30/2060 | Santa Ana | USA | Left | Right | 6' 1" | 180 lbs | - |
| Matthews, Freddie | SS | Free Agent | 20 | 11/05/2062 | Nashville | USA | Right | Right | 6' 2" | 170 lbs | - |
| Matyhila, Neville | RF | Free Agent | 18 | 09/24/2064 | Phuthaditjhaba | RSA | Left | Left | 6' 2" | 180 lbs | - |
| Maudisa, Brandon | RP | Guadalajara Tequileros | 23 | 08/03/2059 | Lomé | TOG | Right | Right | 6' 1" | 190 lbs | $580,000 |
| Mauro, Danny | C | Free Agent | 17 | 08/04/2065 | Memphis | USA | Right | Right | 6' 2" | 190 lbs | - |
| Maxwell, Zachary | SP | Montreal Expos | 17 | 10/09/2065 | Glasgow | SCO | Right | Right | 6' 3" | 185 lbs | - |
| Maya, Oliveiro | C | Free Agent | 21 | 10/25/2061 | New York | USA | Right | Right | 6' 0" | 200 lbs | - |
| Maya, Santiago | RP | Free Agent | 19 | 10/09/2063 | Huetamo | MEX | Left | Left | 5' 9" | 160 lbs | - |
| Mazaki, Kunio | SP | Guadalajara Tequileros | 24 | 05/04/2058 | Sakai | JPN | Left | Left | 6' 2" | 190 lbs | $580,000 |
| Mazanov, Leonard | CF | Florida Marlins | 19 | 12/17/2063 | Vishnyovogorsk | RUS | Switch | Right | 6' 2" | 195 lbs | - |
| Mazariegos, Adrian | CF | Minnesota Twins | 17 | 05/12/2065 | Maracay | VEN | Left | Right | 6' 0" | 180 lbs | - |
| McAllister, Reece | 2B | Free Agent | 16 | 07/24/2066 | New York | USA | Left | Right | 6' 5" | 190 lbs | - |
| McArdle, Godzilla | SP | Free Agent | 16 | 08/09/2066 | Haltom City | USA | Right | Right | 6' 4" | 175 lbs | - |
| McBeth, Jake | RP | Charlotte Aviators | 26 | 10/29/2056 | Conshohocken | USA | Left | Left | 6' 1" | 195 lbs | $1,527,500 |
| McCloskey, Sloane | RP | Texas Rangers | 28 | 05/02/2054 | Buffalo | USA | Right | Right | 6' 5" | 200 lbs | $8,040,000 |
| McClughan, Jeff | SP | Free Agent | 16 | 09/28/2066 | Peterborough | ENG | Left | Left | 6' 7" | 185 lbs | - |
| McClure, Hayden | CF | Free Agent | 19 | 06/17/2063 | Lawrenceburg | USA | Left | Right | 6' 4" | 195 lbs | - |
| McCluskey, Dale | SP | Cleveland Spiders | 29 | 09/01/2053 | Venice | USA | Right | Right | 5' 11" | 200 lbs | $10,421,500 |
| McCollum, Merlin | 2B | Free Agent | 18 | 08/26/2064 | Miami | USA | Right | Right | 6' 2" | 180 lbs | - |
| McCoy, Dan | LF | Free Agent | 19 | 12/28/2063 | San Francisco | USA | Right | Right | 6' 4" | 190 lbs | - |
| McDaniel, Feargal | LF | Free Agent | 18 | 11/29/2064 | Soddy-Daisy | USA | Right | Right | 6' 3" | 200 lbs | - |
| McDermott, Chris | RF | Free Agent | 18 | 09/08/2064 | Elk Grove | USA | Left | Left | 6' 6" | 180 lbs | - |
| McDermott, Ricky | CF | Free Agent | 18 | 11/07/2064 | Orange | USA | Left | Right | 6' 4" | 185 lbs | - |
| McDonald, Nicky | 2B | Free Agent | 18 | 12/27/2064 | Evansville | USA | Right | Right | 6' 3" | 190 lbs | - |
| McDonald, Ron | C | Free Agent | 16 | 08/16/2066 | New York | USA | Left | Right | 6' 1" | 180 lbs | - |
| McDougall, T.J. | 1B | Free Agent | 21 | 05/27/2061 | San Francisco | USA | Left | Right | 6' 0" | 215 lbs | - |
| McElyea, Johnny | RP | Portland Rose | 24 | 03/10/2058 | Brookline | USA | Switch | Right | 6' 4" | 200 lbs | $580,000 |
| McFarland, Austin | RP | Houston Astros | 25 | 06/13/2057 | Manalapan | USA | Right | Right | 6' 8" | 200 lbs | $870,000 |
| McFarland, Caden | CF | Free Agent | 16 | 06/03/2066 | Aurora | USA | Right | Right | 6' 0" | 165 lbs | - |
| McGee, Matt | SP | Free Agent | 16 | 08/15/2066 | Lake Forest Park | USA | Left | Left | 6' 3" | 175 lbs | - |
| McGill, Owen | RP | Free Agent | 17 | 04/28/2065 | Brooklyn | USA | Right | Right | 6' 0" | 165 lbs | - |
| McGinnis, Alex | SP | Free Agent | 16 | 06/10/2066 | Catonsville | USA | Right | Right | 6' 1" | 170 lbs | - |
| McHorney, Travis | 3B | Free Agent | 18 | 12/30/2064 | Philadelphia | USA | Switch | Right | 6' 1" | 180 lbs | - |
| McInnis, Tony | SS | Free Agent | 17 | 10/13/2065 | Port St. John | USA | Right | Right | 6' 5" | 170 lbs | - |
| McIntyre, Declan | RP | Montreal Expos | 31 | 02/17/2051 | Edison | USA | Right | Right | 6' 6" | 205 lbs | $15,600,000 |
| McKenzie, John | RP | Free Agent | 18 | 04/11/2064 | Tulsa | USA | Right | Right | 6' 1" | 175 lbs | - |
| McKinney, Kevin | SP | Free Agent | 19 | 10/30/2063 | Willingboro Township | USA | Left | Left | 6' 2" | 180 lbs | - |
| McLain, Joel | SS | Free Agent | 17 | 10/03/2065 | Grand Island | USA | Right | Right | 6' 2" | 170 lbs | - |
| McLain, José | 2B | Free Agent | 19 | 11/19/2063 | Phoenix | USA | Right | Right | 6' 0" | 180 lbs | - |
| McLaughlin, Brandon | SP | Free Agent | 16 | 04/28/2066 | Raleigh | USA | Right | Right | 6' 3" | 180 lbs | - |
| McLaughlin, Dustin | 3B | Free Agent | 16 | 08/18/2066 | Leesville | USA | Right | Right | 6' 1" | 180 lbs | - |
| McLean, Xavier | RP | Free Agent | 15 | 04/03/2067 | West Lafayette | USA | Right | Right | 6' 0" | 165 lbs | - |
| McLeod, Ash | C | Pittsburgh Pirates | 18 | 10/19/2064 | Freetown | BAH | Right | Right | 6' 0" | 195 lbs | - |
| McMahon, Gabriel | LF | Free Agent | 33 | 01/26/2049 | Phoenix | USA | Right | Left | 6' 1" | 200 lbs | - |
| McMillin, Woody | RF | Free Agent | 18 | 12/06/2064 | Colorado Springs | USA | Right | Right | 6' 2" | 185 lbs | - |
| McNeil, Hugo | SP | Milwaukee Brewers | 16 | 09/15/2066 | Clacton-on-Sea | ENG | Switch | Right | 6' 3" | 180 lbs | - |
| McPherson, Avery | C | Free Agent | 17 | 10/28/2065 | South Beach | USA | Switch | Right | 6' 1" | 185 lbs | - |
| McVay, Justin | RP | Chicago Cubs | 25 | 05/20/2057 | Visalia | USA | Left | Right | 6' 6" | 200 lbs | $580,000 |
| McVicar, Harrison | SS | Free Agent | 20 | 09/21/2062 | Taylor | USA | Switch | Right | 5' 11" | 180 lbs | - |
| Meadows, P.J. | RP | Oakland Athletics | 35 | 11/08/2047 | Sugar Land | USA | Right | Right | 6' 0" | 200 lbs | $16,000,000 |
| Meager, Josh | SS | Atlanta Hammers | 32 | 09/12/2050 | Grove Place | VIR | Right | Right | 6' 2" | 195 lbs | $6,000,000 |
| Medders, Nicolas | SP | Free Agent | 17 | 06/17/2065 | Jacksonville | USA | Left | Left | 6' 4" | 180 lbs | - |
| Medina, Benjamino | CF | Free Agent | 29 | 05/31/2053 | Bayamón | PUR | Right | Right | 6' 5" | 200 lbs | - |
| Medina, Felipe | CF | Free Agent | 18 | 07/26/2064 | Marysville | USA | Left | Right | 6' 4" | 180 lbs | - |
| Medina, Gilberto | LF | Free Agent | 18 | 10/17/2064 | Willemstad | CUR | Switch | Right | 6' 6" | 200 lbs | - |
| Medina, Gustavo | SP | Orlando Thoroughbreds | 18 | 04/06/2064 | San Roque | CRC | Left | Left | 6' 5" | 190 lbs | - |
| Medina, Jaivin | CF | Free Agent | 20 | 09/01/2062 | Fajardo | PUR | Right | Right | 6' 4" | 185 lbs | - |
| Medina, Juan | CF | Cleveland Spiders | 29 | 10/15/2053 | Caripito | VEN | Switch | Right | 6' 0" | 200 lbs | $850,000 |
| Medlock, Noel | C | Free Agent | 18 | 08/06/2064 | The Woodlands | USA | Right | Right | 6' 2" | 200 lbs | - |
| Medran, José Pablo | CF | Free Agent | 18 | 09/28/2064 | Juancho | DOM | Left | Left | 6' 2" | 175 lbs | - |
| Medrano, Rodrigo | SP | Pittsburgh Pirates | 18 | 09/19/2064 | Sosúa | DOM | Left | Right | 6' 3" | 190 lbs | - |
| Medvedev, Artyom | RF | Minnesota Twins | 19 | 09/12/2063 | Lipetsk | RUS | Left | Left | 6' 6" | 215 lbs | - |
| Meira, Juninho | 2B | Free Agent | 25 | 09/17/2057 | Colatina | BRA | Left | Right | 6' 1" | 195 lbs | - |
| Mejia, Chipper | 2B | Free Agent | 17 | 12/22/2065 | Santo Domingo | DOM | Right | Right | 6' 3" | 180 lbs | - |
| Mejia, Iván | 3B | Free Agent | 16 | 03/17/2066 | Barahona | DOM | Right | Right | 6' 0" | 170 lbs | - |
| Mejia, Juvenal | SP | South Side White Sox | 16 | 10/07/2066 | Ciudad Guayana | VEN | Right | Right | 6' 6" | 195 lbs | - |
| Mejia, Roberto | SP | Chicago Cubs | 18 | 11/14/2064 | Quíbor | VEN | Right | Right | 6' 6" | 200 lbs | - |
| Mejia, Willy Mo | C | Free Agent | 24 | 08/22/2058 | Mendoza | ARG | Left | Right | 6' 2" | 205 lbs | - |
| Mejias, Johan | RP | Houston Astros | 36 | 10/07/2046 | Yara | CUB | Right | Right | 6' 1" | 200 lbs | $16,000,000 |
| Melendez, Porter | RP | Free Agent | 22 | 01/14/2061 | Fultondale | USA | Right | Right | 6' 4" | 200 lbs | - |
| Melendez, Renato | SP | Free Agent | 18 | 04/14/2064 | Santo Domingo | DOM | Right | Right | 6' 2" | 180 lbs | - |
| Melgar, Lázaro | SS | Free Agent | 25 | 06/05/2057 | Santo Domingo | DOM | Switch | Right | 6' 1" | 200 lbs | - |
| Mellant, Denton | SP | St. Louis Cardinals | 23 | 07/08/2059 | Midland Park | USA | Right | Right | 6' 4" | 200 lbs | $580,000 |
| Mello, Lindley | RP | Free Agent | 15 | 03/13/2067 | Rancho Cucamonga | USA | Right | Right | 6' 6" | 185 lbs | - |
| Meloy, Julian | RP | Philadelphia Phillies | 26 | 12/31/2056 | Philadelphia | USA | Right | Right | 6' 0" | 195 lbs | $1,100,000 |
| Mena, Marcus | SP | Detroit Tigers | 19 | 10/11/2063 | Mexico City | MEX | Right | Left | 6' 0" | 165 lbs | - |
| Mena, R.J. | 2B | Free Agent | 33 | 07/15/2049 | Moca | DOM | Right | Right | 6' 3" | 200 lbs | - |
| Mendes, Angelino | C | Free Agent | 18 | 07/11/2064 | Memphis | USA | Right | Right | 6' 7" | 200 lbs | - |
| Mendez, Alex | SP | Free Agent | 17 | 09/29/2065 | Puerto la Cruz | VEN | Left | Left | 6' 1" | 175 lbs | - |
| Mendez, Bruno | SP | Kansas City Monarchs | 25 | 06/01/2057 | San Pablo | USA | Right | Right | 5' 5" | 225 lbs | $580,000 |
| Mendez, Noah | 3B | Free Agent | 20 | 03/29/2062 | Puerto Plata | DOM | Switch | Right | 6' 2" | 200 lbs | - |
| Mendez, Quico | 1B | Free Agent | 20 | 04/06/2062 | Bayamón | PUR | Left | Left | 6' 5" | 230 lbs | - |
| Mendez, Rey | SP | Los Angeles Dodgers | 20 | 11/12/2062 | Cabpangi | PHI | Right | Right | 6' 5" | 190 lbs | - |
| Mendez, Yeremi | SP | Free Agent | 21 | 09/26/2061 | Dos Quebradas | COL | Right | Right | 6' 7" | 220 lbs | - |
| Mendez, Yovanny | SS | Baltimore Orioles | 19 | 08/03/2063 | Pinar del Rio | CUB | Right | Right | 6' 1" | 185 lbs | - |
| Mendosa, Marco | RP | New York Mets | 18 | 05/13/2064 | Juarez | MEX | Right | Right | 6' 3" | 185 lbs | - |
| Mendoza, Johnny | RP | Arizona Diamondbacks | 25 | 02/08/2057 | Villavicencio | COL | Switch | Right | 6' 2" | 200 lbs | $580,000 |
| Mendoza, Marco | SP | Free Agent | 28 | 08/27/2054 | La Romana | DOM | Right | Right | 6' 1" | 195 lbs | - |
| Mendoza, Murray | CF | Free Agent | 17 | 09/10/2065 | Cleveland | USA | Right | Right | 6' 1" | 185 lbs | - |
| Mendoza, Ricardo | RF | Cincinnati Reds | 19 | 06/21/2063 | San Juan | PUR | Left | Left | 6' 3" | 200 lbs | - |
| Meneses, Moniko | SP | Bronx Bombers | 27 | 08/20/2055 | Ciudad Arce | SLV | Right | Right | 6' 4" | 200 lbs | $1,890,000 |
| Menjivar, Roberto | CF | Texas Rangers | 18 | 08/13/2064 | Naguanagua | VEN | Right | Right | 6' 3" | 185 lbs | - |
| Menzies, Hunter | CF | Los Angeles Dodgers | 26 | 05/24/2056 | Riverside | USA | Right | Left | 6' 4" | 200 lbs | $2,889,600 |
| Meras, Laurencio | C | Pittsburgh Pirates | 30 | 10/04/2052 | Chicago | USA | Right | Right | 6' 2" | 210 lbs | $3,800,000 |
| Meraz, Michael | CL | Charlotte Aviators | 29 | 10/25/2053 | Trinidad | CUB | Left | Left | 6' 6" | 200 lbs | $25,500,000 |
| Mercado, Alberto | RP | Charlotte Aviators | 29 | 08/31/2053 | San Francisco de Macorís | DOM | Right | Right | 6' 2" | 200 lbs | $580,000 |
| Mercado, Francisco | SP | Cincinnati Reds | 16 | 02/27/2066 | Holguín | CUB | Right | Right | 6' 6" | 195 lbs | - |
| Mercado, Geronimo | SP | Montreal Expos | 19 | 10/15/2063 | Esperanza | DOM | Right | Right | 6' 6" | 200 lbs | - |
| Mercado, Santiago | LF | Montreal Expos | 17 | 04/10/2065 | Camagüey | CUB | Right | Right | 6' 4" | 215 lbs | - |
| Mercado, Valter | SP | Milwaukee Brewers | 18 | 09/01/2064 | Madero | MEX | Left | Left | 6' 1" | 170 lbs | - |
| Merkle, Aramis | 3B | Free Agent | 17 | 06/12/2065 | Arlington | USA | Right | Right | 6' 2" | 185 lbs | - |
| Mertens, Roy | C | Free Agent | 21 | 06/26/2061 | Sharon | USA | Left | Right | 6' 0" | 195 lbs | - |
| Meseesuk, Jet | RP | Pittsburgh Pirates | 26 | 10/17/2056 | Cape Breton Regional Municipality | CAN | Switch | Right | 6' 2" | 195 lbs | $7,180,000 |
| Meseesuk, Tanat | SP | Minnesota Twins | 18 | 12/04/2064 | Ancaster | CAN | Switch | Right | 6' 6" | 195 lbs | - |
| Mesquita, Manray | C | South Side White Sox | 23 | 07/09/2059 | Maracaibo | VEN | Right | Right | 6' 0" | 190 lbs | - |
| Metcalf, Spencer | 3B | Free Agent | 25 | 06/23/2057 | Pontiac | USA | Right | Right | 6' 3" | 200 lbs | - |
| Methawee, Sutee | SP | Free Agent | 16 | 10/10/2066 | Quebec City | CAN | Left | Right | 6' 2" | 175 lbs | - |
| Metitiero, Luigi | SP | Minnesota Twins | 17 | 03/25/2065 | Caracas | VEN | Left | Left | 6' 1" | 170 lbs | - |
| Meyer, Lee | 3B | Free Agent | 20 | 08/08/2062 | Harrisburg | USA | Right | Right | 6' 2" | 195 lbs | - |
| Meza, Bienvenido | CF | Free Agent | 16 | 04/19/2066 | Anaheim | USA | Right | Right | 6' 3" | 170 lbs | - |
| Meza, Felipe | SP | Free Agent | 16 | 09/04/2066 | Huntington Station | USA | Right | Right | 5' 11" | 160 lbs | - |
| Meza, Salvador | C | Free Agent | 17 | 06/25/2065 | Santo Domingo | DOM | Left | Right | 6' 5" | 210 lbs | - |
| Mezey, Domonkos | CF | Orlando Thoroughbreds | 17 | 10/08/2065 | Waitakere | NZL | Left | Left | 6' 2" | 190 lbs | - |
| Michaud, Oscar | SP | Free Agent | 16 | 02/21/2066 | Fredericton | CAN | Left | Left | 6' 0" | 160 lbs | - |
| Michelotti, Roland | C | Free Agent | 20 | 05/16/2062 | Dublin | USA | Right | Right | 5' 10" | 200 lbs | - |
| Mikheyev, Viktor | 2B | Guadalajara Tequileros | 27 | 10/08/2055 | Chaykovskiy | RUS | Right | Right | 6' 2" | 195 lbs | $2,950,000 |
| Mila, José | 1B | Free Agent | 18 | 06/06/2064 | Medellín | COL | Right | Right | 6' 5" | 200 lbs | - |
| Milani, Santiago | SP | Free Agent | 16 | 10/08/2066 | Ciudad Guayana | VEN | Right | Right | 6' 6" | 185 lbs | - |
| Miles, Dalton | C | Free Agent | 19 | 12/05/2063 | Lapeer | USA | Right | Right | 6' 4" | 205 lbs | - |
| Miley, David | 1B | Milwaukee Brewers | 27 | 12/08/2055 | Loma Linda | USA | Right | Right | 6' 0" | 195 lbs | $10,780,000 |
| Militari, Guido | RF | Free Agent | 19 | 04/02/2063 | Valencia | VEN | Right | Left | 5' 10" | 190 lbs | - |
| Miller, Jacob | 2B | Free Agent | 16 | 06/07/2066 | Berwick | USA | Right | Right | 6' 0" | 160 lbs | - |
| Miller, Lewis | SS | Free Agent | 17 | 06/17/2065 | El Paso | USA | Right | Right | 6' 3" | 165 lbs | - |
| Milone, Sean | 1B | Free Agent | 17 | 10/30/2065 | Brooklyn | USA | Right | Right | 6' 0" | 195 lbs | - |
| Miltimore, A.J. | RP | Bronx Bombers | 27 | 04/19/2055 | Cheyenne | USA | Right | Right | 6' 1" | 200 lbs | $1,300,000 |
| Mina, Roberto | CF | Free Agent | 21 | 08/06/2061 | Monte Cristi | DOM | Right | Right | 6' 1" | 190 lbs | - |
| Minami, Akito | SP | Los Angeles Dodgers | 20 | 11/30/2062 | Takeo | JPN | Left | Left | 6' 1" | 180 lbs | - |
| Minami, Ryotaro | RF | Free Agent | 18 | 12/28/2064 | Chitose | JPN | Right | Left | 6' 1" | 195 lbs | - |
| Minh, Joo-Seok | SP | Free Agent | 16 | 06/19/2066 | Yeoju | KOR | Right | Right | 6' 0" | 165 lbs | - |
| Minh, Thanh | LF | Free Agent | 21 | 11/20/2061 | Laguna Niguel | USA | Switch | Left | 6' 1" | 195 lbs | - |
| Minutillo, Johnson | RF | Oakland Athletics | 31 | 03/22/2051 | El Paso | USA | Left | Left | 5' 10" | 195 lbs | $21,200,000 |
| Miramontes, Esteban | 2B | Free Agent | 17 | 07/24/2065 | Carolina | PUR | Right | Right | 6' 3" | 185 lbs | - |
| Miramontes, Pedro | RP | Cleveland Spiders | 30 | 01/02/2053 | Mexico City | MEX | Left | Left | 6' 6" | 210 lbs | $1,400,000 |
| Miranda, Manuel | SP | Free Agent | 19 | 06/10/2063 | Suchitoto | SLV | Left | Right | 6' 2" | 180 lbs | - |
| Miranda, Olivero | 3B | Atlanta Hammers | 17 | 09/10/2065 | Maracaibo | VEN | Right | Right | 6' 1" | 175 lbs | - |
| Miranda, Willie | 2B | Free Agent | 16 | 11/10/2066 | Somerville | USA | Right | Right | 6' 0" | 165 lbs | - |
| Miromontes, Miguel | SP | Bronx Bombers | 17 | 01/13/2066 | Cienfuegos | CUB | Right | Right | 6' 2" | 175 lbs | - |
| Mitchell, Aiden | SS | Free Agent | 16 | 12/22/2066 | Maybrook | USA | Right | Right | 6' 3" | 175 lbs | - |
| Mitchell, Ryan | 3B | Free Agent | 21 | 11/22/2061 | New York | USA | Left | Right | 6' 2" | 195 lbs | - |
| Miyama, Eiji | C | Free Agent | 21 | 04/29/2061 | Yamatotakada | JPN | Right | Right | 6' 1" | 195 lbs | - |
| Miyashita, Ikumasa | 1B | St. Louis Cardinals | 19 | 08/14/2063 | Kanzaki | JPN | Left | Left | 6' 4" | 210 lbs | - |
| Miyazaki, Keiju | 3B | Free Agent | 26 | 11/11/2056 | Yokohama | JPN | Switch | Right | 6' 0" | 195 lbs | - |
| Moad, Nate | SS | Free Agent | 21 | 04/03/2061 | Soledad | USA | Right | Right | 6' 2" | 200 lbs | - |
| Mocher, Péter | LF | Free Agent | 16 | 12/20/2066 | Adelaide | AUS | Left | Left | 6' 4" | 190 lbs | - |
| Moctezuma, Yohnny | SP | Montreal Expos | 16 | 04/27/2066 | La Mata | DOM | Left | Left | 6' 2" | 175 lbs | - |
| Mode, Ethan | CF | Free Agent | 17 | 01/10/2066 | Palatine | USA | Right | Right | 6' 3" | 185 lbs | - |
| Moe, Alexis | RP | Boston Red Sox | 27 | 03/13/2055 | Mayfield Heights | USA | Left | Left | 6' 6" | 200 lbs | $580,000 |
| Moizoos, Ibrahim | SP | Philadelphia Phillies | 34 | 11/18/2048 | Elyria | USA | Left | Left | 6' 2" | 200 lbs | $24,000,000 |
| Molina, Javier | CF | Seattle Mariners | 17 | 09/02/2065 | Anaco | VEN | Right | Right | 6' 0" | 185 lbs | - |
| Molina, Justino | SS | Free Agent | 17 | 09/24/2065 | San José de las Lajas | CUB | Right | Right | 6' 0" | 160 lbs | - |
| Molina, Ricardo | SP | Detroit Tigers | 18 | 11/23/2064 | Unión de Reyes | CUB | Switch | Right | 6' 1" | 170 lbs | - |
| Molitor, Zachary | 2B | Free Agent | 21 | 09/23/2061 | Napoleon | USA | Right | Right | 6' 0" | 175 lbs | - |
| Molnar, Jess | RP | Free Agent | 16 | 11/12/2066 | Seattle | USA | Left | Left | 6' 1" | 170 lbs | - |
| Molnár, Apor | SP | Free Agent | 18 | 10/04/2064 | Whangarei | NZL | Switch | Left | 6' 3" | 190 lbs | - |
| Molnár, Bendegúz | RP | Free Agent | 18 | 02/19/2064 | Manukau | NZL | Right | Right | 6' 4" | 190 lbs | - |
| Molnár, Milán | CF | Free Agent | 19 | 10/15/2063 | Napier | NZL | Left | Left | 6' 0" | 190 lbs | - |
| Molnár, Olivér | 1B | Philadelphia Phillies | 17 | 10/30/2065 | Wellington | NZL | Right | Right | 6' 2" | 215 lbs | - |
| Molnár, Vilmos | CL | Free Agent | 18 | 10/07/2064 | Waitakere | NZL | Right | Right | 6' 8" | 215 lbs | - |
| Mona, Riq | CF | Free Agent | 15 | 04/21/2067 | Windsor | CAN | Switch | Right | 6' 2" | 175 lbs | - |
| Monarrez, Tito | RF | Free Agent | 22 | 11/08/2060 | Santo Domingo | DOM | Left | Left | 6' 3" | 195 lbs | - |
| Mondaca, Daniel | C | Free Agent | 16 | 06/25/2066 | Valencia | VEN | Right | Right | 6' 0" | 170 lbs | - |
| Mondragon, Achillez | SP | Montreal Expos | 16 | 09/19/2066 | Mexico City | MEX | Left | Left | 6' 1" | 170 lbs | - |
| Mondragon, George | 3B | Free Agent | 17 | 11/20/2065 | Maracaibo | VEN | Right | Right | 6' 1" | 180 lbs | - |
| Mondragon, Ibrahim | SP | Free Agent | 20 | 08/08/2062 | Villa de Cura | VEN | Right | Right | 6' 2" | 190 lbs | - |
| Mondragon, Roan | SP | Cincinnati Reds | 19 | 02/16/2063 | Guayama | PUR | Right | Right | 6' 2" | 175 lbs | - |
| Monita, Eduardo | SP | Milwaukee Brewers | 16 | 03/04/2066 | Matanzas | CUB | Right | Right | 6' 2" | 175 lbs | - |
| Monje, Alejandro | SS | Free Agent | 20 | 12/01/2062 | Buffalo | USA | Right | Right | 6' 0" | 175 lbs | - |
| Monnin, Tris | SP | Free Agent | 17 | 10/13/2065 | Fort Lauderdale | USA | Right | Left | 6' 3" | 180 lbs | - |
| Monrreal, Leonardo | SP | Free Agent | 17 | 06/07/2065 | Whittier | USA | Right | Right | 6' 5" | 185 lbs | - |
| Montaldo, Rosendo | SP | Charlotte Aviators | 18 | 09/01/2064 | Tacarigua | VEN | Switch | Right | 6' 3" | 185 lbs | - |
| Montalvo, Dairon | SP | Boston Red Sox | 17 | 09/17/2065 | Carolina | PUR | Right | Right | 6' 6" | 190 lbs | - |
| Montalvo, José Carlos | C | Free Agent | 20 | 09/03/2062 | Placetas | CUB | Right | Right | 6' 4" | 205 lbs | - |
| Montañez, Eduardino | RF | Boston Red Sox | 29 | 05/02/2053 | Santiago de las Vegas | CUB | Left | Left | 6' 1" | 200 lbs | $2,720,000 |
| Montañez, Gerardo | 2B | Free Agent | 27 | 10/29/2055 | San Luis Potosí | MEX | Right | Right | 6' 0" | 200 lbs | - |
| Montañez, Otélo | SP | Free Agent | 19 | 05/12/2063 | Columbus | USA | Right | Right | 6' 5" | 190 lbs | - |
| Montañez, Sebastian | 1B | Free Agent | 24 | 10/04/2058 | San Juan | PUR | Right | Right | 6' 3" | 200 lbs | - |
| Monteiro, Jorge | LF | Houston Astros | 18 | 05/28/2064 | Votuporonga | BRA | Left | Right | 6' 8" | 200 lbs | - |
| Montelonge, Ian | 1B | Free Agent | 16 | 06/14/2066 | San José de las Lajas | CUB | Left | Right | 6' 8" | 210 lbs | - |
| Montelongo, Cristian | LF | Free Agent | 19 | 10/30/2063 | Draper | USA | Left | Left | 6' 5" | 205 lbs | - |
| Montez, Teobaldo | SS | Free Agent | 17 | 02/20/2065 | San Pablo | CRC | Right | Right | 6' 3" | 190 lbs | - |
| Montijo, Ángelo | RP | Detroit Tigers | 31 | 04/08/2051 | Eugene | USA | Right | Left | 6' 2" | 200 lbs | $3,840,000 |
| Montoya, Edgardo | RF | Free Agent | 16 | 09/02/2066 | Arroyo | PUR | Left | Left | 6' 3" | 170 lbs | - |
| Montoya, Frank | CF | Free Agent | 17 | 05/14/2065 | Kealakekua | USA | Right | Right | 6' 3" | 180 lbs | - |
| Montoya, Rafael | 1B | Free Agent | 20 | 08/18/2062 | Brooklyn | USA | Left | Left | 6' 3" | 215 lbs | - |
| Moon, Mun | LF | Free Agent | 17 | 03/30/2065 | Busan | KOR | Switch | Right | 6' 6" | 195 lbs | - |
| Moore, Cade | LF | Free Agent | 18 | 05/19/2064 | Lebanon | USA | Right | Right | 6' 6" | 200 lbs | - |
| Moore, Hayden | RP | Free Agent | 19 | 02/02/2063 | Akron | USA | Right | Right | 6' 1" | 180 lbs | - |
| Moore, Troy | CL | Free Agent | 17 | 11/22/2065 | Chicago | USA | Right | Right | 6' 0" | 175 lbs | - |
| Moore, Trystan | C | Free Agent | 18 | 06/18/2064 | Dulce | USA | Right | Right | 6' 2" | 185 lbs | - |
| Mora, Júlio | RP | Free Agent | 32 | 05/21/2050 | Havana | CUB | Left | Left | 6' 6" | 220 lbs | - |
| Mora, Sajay | C | Cincinnati Reds | 18 | 10/24/2064 | Manzanillo | CUB | Right | Right | 6' 4" | 205 lbs | - |
| Morales, Alejandro | 2B | Free Agent | 18 | 06/09/2064 | Fomento | CUB | Right | Right | 6' 1" | 180 lbs | - |
| Morales, Broughton | LF | Free Agent | 20 | 12/22/2062 | Augusta | USA | Right | Right | 6' 7" | 215 lbs | - |
| Morales, Ian | SS | Bronx Bombers | 27 | 10/21/2055 | Olympia Heights | USA | Right | Right | 6' 2" | 195 lbs | $1,100,000 |
| Morales, Jerónimo | LF | Free Agent | 25 | 05/21/2057 | Santiago de Cuba | CUB | Right | Right | 5' 10" | 200 lbs | - |
| Morales, Miguel | SP | Free Agent | 17 | 12/19/2065 | Puerto Píritu | VEN | Switch | Right | 6' 3" | 175 lbs | - |
| Morales, Ponciano | 3B | Bronx Bombers | 17 | 01/22/2066 | Valencia | VEN | Right | Right | 6' 2" | 215 lbs | - |
| Morales, Victor | SP | Free Agent | 17 | 09/28/2065 | Cabimas | VEN | Right | Right | 6' 1" | 165 lbs | - |
| Moran, Domingo | RF | Free Agent | 20 | 09/18/2062 | Mexico City | MEX | Right | Right | 6' 2" | 200 lbs | - |
| Moran, Jerónimo | C | Free Agent | 20 | 07/04/2062 | El Paso | USA | Right | Right | 6' 1" | 200 lbs | - |
| Morava, Kent | RP | Free Agent | 16 | 08/27/2066 | Selma | USA | Right | Right | 6' 4" | 180 lbs | - |
| Morehouse, Ian | DH | Portland Rose | 24 | 09/25/2058 | St. Louis | USA | Right | Right | 6' 2" | 200 lbs | $580,000 |
| Morel, Geraldo | RP | Free Agent | 20 | 04/23/2062 | Soledad | COL | Left | Right | 5' 10" | 175 lbs | - |
| Moreno, Alberto | C | Free Agent | 20 | 02/04/2062 | Ives Estates | USA | Switch | Right | 6' 6" | 215 lbs | - |
| Moreno, Dominic | CF | Free Agent | 15 | 03/19/2067 | Ocean Springs | USA | Left | Right | 6' 2" | 185 lbs | - |
| Moreno, Ezra | 1B | Free Agent | 24 | 01/16/2059 | Xalapa | MEX | Right | Right | 6' 3" | 200 lbs | - |
| Moreno, Felipe | 2B | Free Agent | 17 | 04/03/2065 | West Sparta | USA | Right | Right | 5' 11" | 155 lbs | - |
| Moreno, Gabriel | SP | Guadalajara Tequileros | 17 | 04/11/2065 | Santa Teresa | VEN | Right | Right | 6' 6" | 195 lbs | - |
| Moreno, Jonas | SS | Free Agent | 18 | 11/14/2064 | Girardot | COL | Right | Right | 6' 4" | 185 lbs | - |
| Moreno, Juan | SP | St. Louis Cardinals | 19 | 12/02/2063 | Fajardo | PUR | Right | Right | 6' 4" | 185 lbs | - |
| Moreno, Mike | SP | Free Agent | 17 | 10/31/2065 | New York | USA | Left | Right | 6' 1" | 175 lbs | - |
| Moreno, Nicolás | 3B | Free Agent | 16 | 05/14/2066 | Vega Baja | PUR | Right | Right | 6' 1" | 170 lbs | - |
| Moreno, Pablo | SS | Free Agent | 17 | 06/02/2065 | Juarez | MEX | Right | Right | 6' 3" | 180 lbs | - |
| Moreno, Rakim | 1B | Free Agent | 17 | 09/13/2065 | Nuevo Arraijan | PAN | Switch | Right | 6' 2" | 185 lbs | - |
| Morfin, Hector | RF | Free Agent | 18 | 12/20/2064 | San German | PUR | Left | Left | 6' 6" | 200 lbs | - |
| Morgan, Connor | SP | Free Agent | 16 | 01/31/2066 | Palisades Park | USA | Left | Left | 6' 6" | 180 lbs | - |
| Morgan, Grant | CF | Milwaukee Brewers | 25 | 09/06/2057 | Wilton | USA | Left | Left | 6' 1" | 195 lbs | $580,000 |
| Morgan, Kolter | C | St. Louis Cardinals | 24 | 06/18/2058 | Cushing | USA | Left | Right | 6' 4" | 195 lbs | $580,000 |
| Mori, Toshitaka | 1B | San Diego Padres | 26 | 01/25/2057 | Kishiwada | JPN | Switch | Right | 6' 5" | 200 lbs | $580,000 |
| Morillo, Aronny | SP | Portland Rose | 17 | 05/09/2065 | Maturín | VEN | Right | Right | 6' 5" | 195 lbs | - |
| Morillo, Don Juan | CF | Pittsburgh Pirates | 25 | 06/19/2057 | Tetlanohcan | MEX | Right | Left | 6' 0" | 195 lbs | - |
| Morreles, Jerome | SS | Free Agent | 19 | 06/14/2063 | Quisqueya | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Morris, Alex | 3B | Free Agent | 15 | 10/05/2067 | Orange | USA | Left | Right | 6' 2" | 180 lbs | - |
| Morris, Hector | 2B | Free Agent | 18 | 08/28/2064 | New York | USA | Switch | Right | 6' 1" | 160 lbs | - |
| Morrison, Dominic | CL | Free Agent | 17 | 11/13/2065 | Ray | USA | Left | Left | 6' 5" | 195 lbs | - |
| Morse, Endeavour | SP | Boston Red Sox | 32 | 11/08/2050 | Oxford | ENG | Right | Right | 6' 11" | 200 lbs | $37,000,000 |
| Moscoso, David | SS | Free Agent | 20 | 03/11/2062 | Zaraza | VEN | Right | Right | 6' 0" | 165 lbs | - |
| Moss, David | RF | Free Agent | 20 | 04/09/2062 | San Clemente | USA | Left | Left | 6' 5" | 200 lbs | - |
| Mostoller, Evan | SP | Toronto Blue Jays | 30 | 01/11/2053 | Linton | USA | Right | Left | 6' 2" | 200 lbs | $20,638,000 |
| Moszkowski, Gordon | RP | Pittsburgh Pirates | 26 | 07/24/2056 | Federal Heights | USA | Right | Right | 6' 5" | 200 lbs | $1,743,000 |
| Mota, Pablo | 2B | Free Agent | 18 | 09/19/2064 | Santo Domingo | DOM | Right | Right | 6' 1" | 175 lbs | - |
| Mota, Xavier | SP | Kansas City Monarchs | 18 | 08/11/2064 | Cumana | VEN | Left | Right | 6' 6" | 205 lbs | - |
| Mota, Ángel Gabriel | SP | Free Agent | 15 | 04/26/2067 | Ecatepec | MEX | Right | Right | 6' 4" | 180 lbs | - |
| Motley, Tony | CL | Portland Rose | 34 | 09/09/2048 | Long Beach | USA | Switch | Right | 6' 1" | 200 lbs | $12,600,000 |
| Motos, A.J. | RF | Free Agent | 16 | 10/17/2066 | Lucena | PHI | Right | Right | 6' 4" | 190 lbs | - |
| Mourino, Gabriel | 2B | Free Agent | 22 | 06/23/2060 | Trinidad | CUB | Right | Right | 6' 1" | 185 lbs | - |
| Moya, Alberto | C | Los Angeles Dodgers | 26 | 04/19/2056 | Tlalnepantla | MEX | Right | Right | 6' 1" | 200 lbs | $2,633,400 |
| Moyao, Antonio | SS | Free Agent | 24 | 04/08/2058 | Cruces | CUB | Right | Right | 6' 1" | 200 lbs | - |
| Mtima, Arabi | 1B | Free Agent | 18 | 08/27/2064 | Lebowakgomo | RSA | Right | Right | 6' 11" | 200 lbs | - |
| Mueller, J.S. | SP | Free Agent | 17 | 04/10/2065 | Garden Grove | USA | Right | Right | 6' 7" | 200 lbs | - |
| Mujica, Marcos | 1B | Free Agent | 18 | 02/28/2064 | Puerto la Cruz | VEN | Switch | Right | 6' 2" | 215 lbs | - |
| Mullineaux, Aiden | SP | Free Agent | 17 | 05/19/2065 | Wanakah | USA | Right | Left | 6' 5" | 185 lbs | - |
| Mungia, Juan | SP | Free Agent | 15 | 06/29/2067 | Turmero | VEN | Right | Right | 6' 2" | 170 lbs | - |
| Muniz, Emiliano | RP | Anchorage Otters | 16 | 11/04/2066 | Santo Domingo | DOM | Left | Left | 6' 4" | 185 lbs | - |
| Munn, Brian | 1B | Free Agent | 16 | 05/20/2066 | San Antonio | USA | Right | Right | 6' 5" | 210 lbs | - |
| Murakami, Hiroshi | CF | Free Agent | 20 | 12/23/2062 | Fukusaki | JPN | Left | Right | 6' 3" | 185 lbs | - |
| Muraoka, Michiyuki | C | Free Agent | 19 | 09/08/2063 | Osaka | JPN | Right | Right | 6' 2" | 225 lbs | - |
| Murillo, Pablo | 2B | Free Agent | 17 | 07/15/2065 | Valladolid | MEX | Switch | Right | 6' 2" | 175 lbs | - |
| Murka, Martin | SP | Guadalajara Tequileros | 18 | 09/08/2064 | Tauranga | NZL | Right | Right | 6' 3" | 185 lbs | - |
| Murphy, Graham | CF | Free Agent | 20 | 12/13/2062 | Towson | USA | Right | Right | 6' 0" | 175 lbs | - |
| Murphy, Loyd | 1B | Kansas City Monarchs | 26 | 03/22/2056 | Roxbury | USA | Right | Right | 6' 0" | 185 lbs | - |
| Murphy, Scot | C | Orlando Thoroughbreds | 24 | 05/05/2058 | Fort Worth | USA | Left | Right | 5' 11" | 200 lbs | $580,000 |
| Murphy, Timothy | SP | Free Agent | 19 | 11/12/2063 | Lafayette | USA | Right | Right | 6' 1" | 180 lbs | - |
| Murray, Ethan | CL | Free Agent | 19 | 07/20/2063 | Denver | USA | Right | Right | 6' 6" | 200 lbs | - |
| Mushtaq, Ahsan | SS | Free Agent | 19 | 02/25/2063 | Multan | PAK | Right | Right | 6' 4" | 180 lbs | - |
| Musser, Torin | CF | Atlanta Hammers | 25 | 07/28/2057 | Kingman | USA | Left | Left | 6' 5" | 200 lbs | - |
| Mustafa, Zakwan | SP | Florida Marlins | 20 | 10/23/2062 | al-Marsa | TUN | Left | Left | 6' 4" | 195 lbs | - |
| Muñoz, Juan | SP | Free Agent | 15 | 08/26/2067 | Pinar del Rio | CUB | Left | Left | 6' 8" | 200 lbs | - |
| Muñoz, Júlio | 2B | Free Agent | 31 | 01/12/2052 | Guantanamo | CUB | Right | Right | 6' 0" | 200 lbs | - |
| Muñoz, Rod | SP | Texas Rangers | 16 | 05/30/2066 | Cuicatlan | MEX | Left | Left | 6' 2" | 175 lbs | - |
| My, Zach | CF | Free Agent | 22 | 06/20/2060 | Miami | USA | Right | Right | 6' 1" | 185 lbs | - |
| Myrick, Lowell | C | Free Agent | 20 | 02/03/2062 | Washington | USA | Left | Right | 6' 2" | 200 lbs | - |
| Májer, Antal | SP | Free Agent | 17 | 10/03/2065 | North Shore | NZL | Switch | Right | 6' 4" | 180 lbs | - |
| Málaga, Zephyr | 3B | Free Agent | 17 | 08/21/2065 | Guaynabo | PUR | Right | Right | 6' 1" | 180 lbs | - |
| Márkvárt, Gyula | 1B | Free Agent | 19 | 08/26/2063 | Auckland | NZL | Left | Left | 6' 5" | 230 lbs | - |
| Máté, György | 2B | South Side White Sox | 19 | 05/14/2063 | Sydney | AUS | Right | Right | 6' 0" | 185 lbs | - |
| Mészáros, Péter | C | Texas Rangers | 16 | 04/02/2066 | Adelaide | AUS | Right | Right | 6' 1" | 190 lbs | - |
| Mészáros, Ödön | 2B | Free Agent | 19 | 07/09/2063 | Perth | AUS | Right | Right | 6' 2" | 185 lbs | - |
| Móricz, Gergo | RP | Free Agent | 20 | 07/28/2062 | Tauranga | NZL | Left | Left | 6' 2" | 185 lbs | - |
| Móré, Attila | 1B | Free Agent | 16 | 05/22/2066 | Manukau | NZL | Left | Left | 6' 9" | 230 lbs | - |
| Müller, Winfried | SS | Free Agent | 18 | 01/11/2065 | Osnabrück | GER | Right | Right | 6' 4" | 170 lbs | - |
