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|
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MacAslan, Joe | SP | Spokane Trappers | 36 | 07/07/2015 | St. Cloud | USA | Right | Left | 6' 3" | 200 lbs | - |
| MacCaishe, Ben | C | Free Agent | 35 | 05/02/2016 | Redland | USA | Left | Right | 6' 3" | 200 lbs | - |
| MacDermid, Alex | RF | Free Agent | 32 | 01/30/2019 | Seattle | USA | Left | Left | 5' 11" | 200 lbs | - |
| MacGregor, Howard | RP | Free Agent | 32 | 02/09/2019 | Oxford | USA | Left | Left | 5' 10" | 185 lbs | - |
| Mack, James | RP | Minneapolis Millers | 21 | 07/23/2030 | Northridge (Clark County) | USA | Right | Right | 6' 0" | 165 lbs | $400,000 |
| Mack, Max | SP | Mile High Broncos | 27 | 04/06/2024 | Romeoville | USA | Left | Left | 6' 2" | 205 lbs | - |
| MacNamara, Carlton | RP | Redwood City Redwoods | 28 | 04/12/2023 | St. Augusta | USA | Right | Right | 6' 4" | 200 lbs | - |
| MacNamara, Tim | 3B | Richardson Barons | 25 | 08/22/2026 | San Antonio | USA | Right | Right | 6' 1" | 200 lbs | - |
| MacRaild, Carl | LF | Free Agent | 33 | 08/07/2018 | Malone | USA | Left | Left | 6' 3" | 200 lbs | - |
| Macías, Javier | C | Waco Blue Cats | 29 | 06/08/2022 | Baruta | VEN | Right | Right | 6' 1" | 200 lbs | - |
| Macías, Rob | C | Wolfeboro Wolves | 32 | 06/21/2019 | Peoria | USA | Right | Right | 6' 0" | 195 lbs | - |
| Maes, Pepe | SP | Free Agent | 34 | 01/13/2017 | Arroyo Salado | DOM | Right | Right | 6' 6" | 200 lbs | - |
| Maldonado, José | RF | Redwood City Redwoods | 26 | 05/25/2025 | Carolina | PUR | Left | Left | 5' 10" | 185 lbs | - |
| Maldonado, Wilbur | LF | Detroit X-Wings | 33 | 08/26/2018 | New York | USA | Switch | Left | 6' 4" | 200 lbs | - |
| Malhado, Roger | RP | Waco Blue Cats | 25 | 01/02/2026 | Cape Coral | USA | Right | Right | 6' 0" | 195 lbs | $400,000 |
| Maloney, Tom | 2B | Tuscaloosa Trout Slayers | 26 | 08/08/2025 | Brooklyn | USA | Right | Right | 6' 0" | 185 lbs | - |
| Manning, Barry | 3B | Free Agent | 33 | 09/14/2018 | New York | USA | Switch | Right | 6' 3" | 200 lbs | - |
| Manning, Joe | 2B | Santa Monica Bruins | 24 | 01/23/2027 | Sand Springs | USA | Switch | Right | 6' 0" | 200 lbs | - |
| Manning, Perry | 3B | Free Agent | 31 | 04/28/2020 | New York | USA | Right | Right | 6' 4" | 195 lbs | - |
| Mansur, Randy | LF | Mile High Broncos | 24 | 05/27/2027 | Fremont | USA | Right | Right | 6' 5" | 205 lbs | - |
| Mant, Kade | RF | Spokane Trappers | 26 | 02/06/2025 | Perth | AUS | Left | Left | 6' 5" | 200 lbs | $400,000 |
| Marchand, Jérémy | SS | Free Agent | 33 | 07/30/2018 | Carbon-Blanc | FRA | Switch | Right | 6' 4" | 200 lbs | - |
| Marquis, Alejandro | SS | Trenton Stars | 25 | 11/07/2025 | Santo Domingo | DOM | Switch | Right | 6' 2" | 200 lbs | - |
| Marshall, Bill | CF | Tuscaloosa Trout Slayers | 23 | 12/05/2027 | St. Paul | USA | Left | Left | 6' 4" | 195 lbs | - |
| Marshall, Ed | SS | Spokane Trappers | 30 | 10/21/2020 | Clarksburg | USA | Right | Right | 6' 0" | 175 lbs | - |
| Marshall, Robert | RP | Trenton Stars | 29 | 09/02/2022 | Rossmoor | USA | Left | Right | 6' 0" | 195 lbs | $400,000 |
| Martin, Gordon | LF | Detroit X-Wings | 26 | 12/12/2024 | Dixon | USA | Left | Left | 6' 4" | 200 lbs | $400,000 |
| Martin, Wilson | 3B | Detroit X-Wings | 26 | 05/16/2025 | Santa Clarita | USA | Switch | Right | 6' 0" | 195 lbs | - |
| Martínez, Albert | RP | Mexico City Cerveceros | 28 | 04/01/2023 | Terre Haute | USA | Left | Right | 6' 4" | 200 lbs | - |
| Martínez, Alberto | RP | Wolfeboro Wolves | 32 | 02/15/2019 | Valencia | VEN | Right | Left | 6' 3" | 185 lbs | - |
| Martínez, Arturo | RF | Free Agent | 23 | 07/13/2028 | San Juan | PUR | Left | Left | 6' 0" | 195 lbs | - |
| Martínez, Carlos | CF | Indiana Hounds | 25 | 09/28/2026 | Guaynabo | PUR | Right | Right | 6' 3" | 200 lbs | - |
| Martínez, Diego | RF | Doral Arepas | 30 | 05/10/2021 | Santo Domingo | DOM | Right | Right | 6' 4" | 205 lbs | $400,000 |
| Martínez, Diego | SP | Free Agent | 35 | 09/28/2016 | Barahona | DOM | Right | Right | 6' 0" | 200 lbs | - |
| Martínez, Domingo | RP | Chapel Hill Sharks | 25 | 06/09/2026 | Trujillo Alto | PUR | Left | Left | 6' 2" | 200 lbs | - |
| Martínez, Francisco | LF | Wolfeboro Wolves | 30 | 12/03/2020 | Maracaibo | VEN | Right | Right | 6' 4" | 200 lbs | - |
| Martínez, Félix | LF | Mile High Broncos | 30 | 04/08/2021 | Kingsville | USA | Right | Right | 5' 11" | 200 lbs | - |
| Martínez, Jerry | RP | Spokane Trappers | 23 | 06/25/2028 | Spring Grove | USA | Switch | Right | 6' 3" | 180 lbs | $400,000 |
| Martínez, Jorge | SP | Detroit X-Wings | 30 | 12/27/2020 | Bayamón | PUR | Right | Right | 6' 2" | 200 lbs | - |
| Martínez, José | SP | Free Agent | 34 | 05/05/2017 | Barahona | DOM | Right | Right | 6' 1" | 185 lbs | - |
| Martínez, José | RP | Free Agent | 28 | 12/09/2022 | Barahona | DOM | Right | Right | 6' 6" | 200 lbs | - |
| Martínez, Juan | SS | Trenton Stars | 29 | 04/27/2022 | Caracas | VEN | Right | Right | 6' 4" | 200 lbs | - |
| Martínez, Luis | C | Santa Monica Bruins | 29 | 01/02/2022 | Livermore | USA | Right | Right | 6' 2" | 200 lbs | - |
| Martínez, Marcos | RP | Santo Domingo Dragons | 31 | 01/20/2020 | El Cafetal | VEN | Right | Right | 6' 4" | 195 lbs | - |
| Martínez, Matt | 3B | Galveston Tides | 30 | 10/17/2020 | Montgomery | USA | Switch | Right | 6' 2" | 205 lbs | - |
| Martínez, Orlando | C | Minneapolis Millers | 27 | 11/13/2023 | Westerville | USA | Right | Right | 6' 1" | 200 lbs | - |
| Martínez, Pedro | SP | Free Agent | 34 | 06/28/2017 | Maturín | VEN | Right | Left | 6' 5" | 195 lbs | - |
| Martínez, Pedro | RP | Allentown Hillbillies | 26 | 02/08/2025 | Walsenburg | USA | Right | Right | 6' 5" | 200 lbs | $1,108,000 |
| Martínez, Phil | RP | Doral Arepas | 23 | 12/09/2027 | Detroit | USA | Right | Right | 6' 7" | 200 lbs | - |
| Martínez, Sergio | C | Doral Arepas | 28 | 12/21/2022 | Santo Domingo | DOM | Right | Right | 6' 2" | 200 lbs | - |
| Martínez, Tomás | 2B | Spokane Trappers | 31 | 02/09/2020 | Paraíso | DOM | Right | Right | 6' 1" | 195 lbs | - |
| Marín, Carlos | SP | Minneapolis Millers | 27 | 02/02/2024 | Sabaneta | DOM | Right | Right | 6' 6" | 205 lbs | - |
| Mason, Grady | C | Chapel Hill Sharks | 30 | 02/17/2021 | Hanson | USA | Right | Right | 6' 0" | 200 lbs | - |
| Matkin, Nate | RP | Free Agent | 34 | 04/26/2017 | Calgary | CAN | Switch | Left | 6' 8" | 215 lbs | - |
| Mays, Doyle | RP | Spokane Trappers | 25 | 11/30/2025 | Keizer | USA | Right | Right | 6' 3" | 200 lbs | $400,000 |
| Mbingu, Itbir | SP | Detroit X-Wings | 31 | 04/25/2020 | Pretoria | RSA | Right | Right | 6' 0" | 190 lbs | - |
| Mbingu, Tekle-Giorgis | SP | Minneapolis Millers | 23 | 07/13/2028 | Pretoria | RSA | Left | Left | 6' 4" | 200 lbs | $400,000 |
| McCarthy, Jim | LF | Trenton Stars | 24 | 02/21/2027 | Westminster | USA | Left | Left | 6' 4" | 200 lbs | - |
| McCarthy, Rory | 3B | Santa Monica Bruins | 22 | 08/27/2029 | Oxnard | USA | Right | Right | 6' 2" | 180 lbs | - |
| McCarthy, Walt | SP | Free Agent | 35 | 07/02/2016 | Tyler | USA | Right | Right | 6' 3" | 195 lbs | - |
| McClorey, Gary | RP | Free Agent | 31 | 03/12/2020 | Brooklyn | USA | Right | Right | 6' 2" | 200 lbs | - |
| McCullough, Dave | SS | Oklahoma City 89ers | 29 | 09/11/2022 | Grandwood Park | USA | Left | Right | 6' 2" | 200 lbs | - |
| McDaniel, Evan | 1B | Vancouver Vipers | 24 | 08/15/2027 | Palm Beach Gardens | USA | Switch | Right | 6' 9" | 200 lbs | $400,000 |
| McDaniel, Stu | LF | Free Agent | 28 | 10/25/2022 | Rochester | USA | Switch | Right | 6' 3" | 200 lbs | - |
| McDonald, Warner | RP | Tuscaloosa Trout Slayers | 23 | 05/02/2028 | Gladstone | USA | Left | Left | 6' 1" | 195 lbs | - |
| McElroy, Alan | RP | Free Agent | 30 | 10/09/2020 | Arlington Heights | USA | Left | Left | 6' 6" | 200 lbs | - |
| McGriff, Pete | CF | Mile High Broncos | 27 | 04/05/2024 | Long Beach | USA | Left | Left | 6' 1" | 190 lbs | - |
| McHaney, Joe | C | Galveston Tides | 30 | 11/10/2020 | Chandler | CAN | Right | Right | 6' 0" | 200 lbs | - |
| McIntosh, Austin | SP | Indiana Hounds | 28 | 02/27/2023 | Kingsport | USA | Right | Right | 6' 4" | 200 lbs | - |
| McKinney, Sean | RP | Free Agent | 29 | 12/26/2021 | Wildwood | USA | Switch | Right | 6' 3" | 195 lbs | - |
| McLaughlin, Dustin | RP | Wolfeboro Wolves | 32 | 03/08/2019 | Terrace Heights | USA | Left | Left | 6' 0" | 200 lbs | - |
| McLaughlin, Jeremy | RF | Amarillo Archdukes | 25 | 08/07/2026 | Metairie | USA | Left | Right | 6' 4" | 205 lbs | - |
| McLennan, Thomas | 2B | Knoxville Johnnys | 22 | 05/22/2029 | Ottawa | CAN | Right | Right | 6' 1" | 195 lbs | - |
| McManus, Mike | RP | Minneapolis Millers | 24 | 10/17/2026 | Lemay | USA | Right | Right | 6' 0" | 180 lbs | $400,000 |
| McMillan, Cliff | RF | Albuquerque Isotopes | 30 | 04/09/2021 | Richmond | CAN | Left | Left | 6' 10" | 205 lbs | - |
| McNary, Joshua | 1B | Spokane Trappers | 26 | 03/30/2025 | Ft. Wayne | USA | Right | Right | 6' 3" | 200 lbs | - |
| McNeil, Hilton | RF | Spokane Trappers | 30 | 11/22/2020 | Forest | USA | Left | Left | 6' 2" | 195 lbs | - |
| McPhee, Chet | SP | Knoxville Johnnys | 24 | 05/18/2027 | Milton | CAN | Switch | Right | 6' 2" | 195 lbs | $400,000 |
| McPherson, Larry | 1B | Free Agent | 30 | 03/07/2021 | Albuquerque | USA | Right | Right | 5' 11" | 175 lbs | - |
| McShane, Rob | RF | Albuquerque Isotopes | 29 | 06/21/2022 | Houston | USA | Right | Left | 6' 3" | 200 lbs | - |
| Medina, Júlio | RF | Free Agent | 31 | 11/23/2019 | Highlands Ranch | USA | Right | Right | 5' 11" | 200 lbs | - |
| Medrano, Ignacio | SP | Waco Blue Cats | 30 | 03/20/2021 | Santo Domingo | DOM | Switch | Right | 6' 5" | 200 lbs | - |
| Mejía, Norberto | SP | Free Agent | 33 | 12/13/2017 | San Salvador | SLV | Right | Right | 6' 4" | 195 lbs | - |
| Mendoza, Tony | RF | Free Agent | 28 | 09/16/2023 | St. Paul | USA | Switch | Right | 6' 2" | 200 lbs | - |
| Menéndez, Francisco | SS | Free Agent | 34 | 11/14/2016 | Sancti Spíritus | CUB | Right | Right | 6' 3" | 205 lbs | - |
| Merrit, Nick | SS | Free Agent | 29 | 11/10/2021 | Saanich | CAN | Right | Right | 6' 4" | 195 lbs | - |
| Merritt, Cole | RP | Sunderland Black Cats | 24 | 12/10/2026 | Cartersville | USA | Right | Right | 6' 4" | 190 lbs | - |
| Metcalf, Paul | 2B | Houston Hammertime | 22 | 09/02/2029 | Coeur d'Alene | USA | Right | Right | 6' 1" | 190 lbs | $400,000 |
| Metcalf, Ryan | 1B | Waco Blue Cats | 27 | 05/01/2024 | Morgan City | USA | Left | Left | 6' 2" | 205 lbs | $400,000 |
| Meyer, David | LF | New England Whalers | 33 | 03/03/2018 | Altoona | USA | Left | Left | 6' 6" | 200 lbs | - |
| Meyer, Sean | LF | Oklahoma City 89ers | 31 | 09/01/2020 | Pittsburgh | USA | Switch | Right | 6' 1" | 200 lbs | - |
| Meyers, Gordon | SS | Redwood City Redwoods | 24 | 02/25/2027 | Aurora | USA | Right | Right | 6' 0" | 200 lbs | - |
| Mijsberg, Goris | SP | Detroit X-Wings | 30 | 10/26/2020 | Heiloo | NED | Right | Right | 6' 2" | 195 lbs | - |
| Miles, Earnest | LF | Free Agent | 30 | 01/27/2021 | Casper | USA | Left | Left | 6' 5" | 195 lbs | - |
| Miller, Al | 2B | Houston Hammertime | 21 | 11/24/2029 | Central Falls | USA | Right | Right | 6' 3" | 200 lbs | - |
| Miller, Alex | 2B | Santa Monica Bruins | 28 | 03/18/2023 | Kyle | USA | Right | Right | 6' 4" | 200 lbs | $1,700,000 |
| Miller, Artie | 3B | Indiana Hounds | 26 | 08/08/2025 | Mesa | USA | Right | Right | 6' 2" | 200 lbs | - |
| Miller, David | 2B | Mile High Broncos | 28 | 11/25/2022 | Muskegon | USA | Switch | Right | 6' 0" | 195 lbs | - |
| Miller, Jason | SS | Free Agent | 30 | 04/22/2021 | Kansas City | USA | Switch | Right | 6' 1" | 200 lbs | - |
| Miller, Marvin | SP | Free Agent | 29 | 06/04/2022 | Oceanside | USA | Switch | Right | 6' 5" | 200 lbs | - |
| Miller, Ted | SP | Mexico City Cerveceros | 24 | 10/14/2026 | Chula Vista | USA | Right | Right | 6' 6" | 205 lbs | - |
| Miller, Will | RF | Chapel Hill Sharks | 27 | 06/25/2024 | Bethalto | USA | Switch | Right | 6' 3" | 195 lbs | - |
| Milligan, Nick | RP | Santa Monica Bruins | 28 | 11/29/2022 | Liberty | USA | Left | Right | 6' 4" | 200 lbs | - |
| Mills, Russell | RP | Santa Monica Bruins | 29 | 07/31/2022 | Jersey City | USA | Right | Right | 6' 2" | 175 lbs | - |
| Miner, Thomas | RF | Richardson Barons | 25 | 08/03/2026 | Ruskin | USA | Left | Left | 5' 11" | 185 lbs | - |
| Miranda, Carlos | SS | Free Agent | 27 | 02/18/2024 | Matamoros | MEX | Right | Right | 5' 10" | 190 lbs | - |
| Mitchell, Garry | RF | Minneapolis Millers | 26 | 07/01/2025 | Montebello | USA | Left | Left | 6' 2" | 200 lbs | - |
| Mitchell, Neal | SP | Spokane Trappers | 34 | 10/10/2016 | Chicago | USA | Switch | Right | 6' 0" | 195 lbs | - |
| Mitchell, Thomas | SP | Free Agent | 30 | 02/27/2021 | North Attleborough Center | USA | Right | Right | 5' 11" | 200 lbs | - |
| Molendijk, Lex | RP | Free Agent | 30 | 07/28/2021 | Gorssel | NED | Right | Right | 5' 9" | 195 lbs | - |
| Molina, Alfred | CL | Vancouver Vipers | 23 | 05/08/2028 | Kane'ohe | USA | Right | Right | 6' 1" | 190 lbs | - |
| Molina, Juan | SP | Albuquerque Isotopes | 26 | 10/26/2024 | Caguas | PUR | Right | Right | 6' 4" | 200 lbs | - |
| Monroe, Bruno | SP | Tuscaloosa Trout Slayers | 29 | 01/27/2022 | Barberton | USA | Right | Right | 6' 8" | 200 lbs | $650,000 |
| Montaño, Albert | SP | Free Agent | 30 | 02/24/2021 | Ojo de Agua | MEX | Left | Left | 6' 2" | 200 lbs | - |
| Montgomery, Zach | SP | Tuscaloosa Trout Slayers | 31 | 06/28/2020 | Nanty-Glo | USA | Right | Right | 6' 1" | 195 lbs | - |
| Montoya, Pancho | 3B | Olympia Marshalls | 32 | 11/13/2018 | Baltimore | USA | Switch | Right | 6' 0" | 195 lbs | - |
| Montés, Enrico | 2B | Free Agent | 27 | 11/13/2023 | Pedro Brand | DOM | Left | Right | 6' 1" | 200 lbs | - |
| Montés, Felipe | SP | Free Agent | 30 | 06/25/2021 | Salt Lake City | USA | Right | Right | 6' 5" | 195 lbs | - |
| Montés, Juan | SP | Santa Monica Bruins | 29 | 10/02/2022 | Goaigoaza | VEN | Switch | Right | 6' 4" | 205 lbs | - |
| Moore, Dan | RF | Allentown Hillbillies | 28 | 10/03/2023 | Folsom | USA | Left | Left | 6' 4" | 200 lbs | $400,000 |
| Moore, Darby | SP | Free Agent | 29 | 09/11/2022 | Greater Carrollwood | USA | Right | Right | 6' 1" | 190 lbs | - |
| Moore, Eugene | SP | Mile High Broncos | 32 | 06/29/2019 | Montesano | USA | Right | Right | 6' 1" | 200 lbs | - |
| Moore, Joe | SP | Free Agent | 34 | 01/14/2017 | Woodson Terrace | USA | Right | Right | 6' 2" | 195 lbs | - |
| Moore, Matt | SP | Vancouver Vipers | 30 | 01/08/2021 | Mill Hall | USA | Left | Right | 6' 0" | 195 lbs | - |
| Moore, Michael | SP | Free Agent | 34 | 03/02/2017 | Acton | USA | Right | Right | 6' 5" | 200 lbs | - |
| Moore, Rob | SP | Mile High Broncos | 29 | 07/13/2022 | Island Lake | USA | Right | Right | 6' 4" | 200 lbs | $400,000 |
| Moorhouse, Melvin | SP | Free Agent | 29 | 11/09/2021 | South San Jose Hills | USA | Right | Right | 6' 5" | 205 lbs | - |
| Morales, Armando | CF | New England Whalers | 32 | 01/23/2019 | Santo Domingo | DOM | Right | Right | 6' 2" | 185 lbs | - |
| Morales, Carlos | SP | Detroit X-Wings | 34 | 06/08/2017 | Villa Vazquez | DOM | Right | Right | 6' 4" | 200 lbs | - |
| Morales, Claudio | 3B | Wolfeboro Wolves | 32 | 05/26/2019 | Beavercreek | USA | Right | Right | 5' 10" | 170 lbs | - |
| Morales, Juan | SP | Free Agent | 34 | 01/14/2017 | Los Angeles | USA | Right | Right | 6' 3" | 200 lbs | - |
| Morales, Ángel | RF | Albuquerque Isotopes | 29 | 11/07/2021 | Santo Domingo | DOM | Left | Left | 6' 2" | 200 lbs | $400,000 |
| Moran, Brian | LF | New England Whalers | 24 | 02/06/2027 | Calabasas | USA | Right | Right | 5' 11" | 185 lbs | - |
| Morataya, Tomás | 1B | Redwood City Redwoods | 34 | 10/25/2016 | Santiago de Cuba | CUB | Right | Right | 6' 2" | 215 lbs | - |
| Moreno, Carlos | CF | Vancouver Vipers | 22 | 12/10/2028 | Medellín | COL | Switch | Right | 6' 2" | 195 lbs | - |
| Moreno, Gilberto | RF | Knoxville Johnnys | 28 | 02/19/2023 | Santiago | DOM | Right | Left | 6' 2" | 200 lbs | - |
| Moreno, José | RP | Free Agent | 20 | 03/10/2031 | Anaco | VEN | Switch | Right | 6' 4" | 195 lbs | - |
| Moreno, José | LF | Waco Blue Cats | 21 | 11/21/2029 | Berea | USA | Right | Left | 6' 4" | 190 lbs | - |
| Morgan, Carl | RP | Oklahoma City 89ers | 29 | 09/24/2022 | Helena | USA | Right | Right | 6' 1" | 180 lbs | - |
| Morgan, Cooper | RP | Free Agent | 32 | 02/08/2019 | Orland Park | USA | Left | Left | 6' 2" | 200 lbs | - |
| Morris, Geoffrey | SP | Santa Monica Bruins | 26 | 03/11/2025 | Oswego | USA | Right | Right | 6' 3" | 185 lbs | - |
| Morrisey, Larry | 2B | Sunderland Black Cats | 29 | 10/31/2021 | Brooklyn | USA | Right | Right | 6' 2" | 205 lbs | - |
| Morrow, Allen | SP | Waco Blue Cats | 27 | 11/04/2023 | Columbus | USA | Left | Left | 6' 3" | 200 lbs | - |
| Mosley, Christian | C | Free Agent | 33 | 09/01/2018 | San Antonio | USA | Right | Right | 6' 1" | 210 lbs | - |
| Mosley, Kyle | CF | Doral Arepas | 32 | 03/31/2019 | Columbus | USA | Right | Right | 6' 1" | 200 lbs | - |
| Mosley, Marty | LF | Free Agent | 34 | 12/15/2016 | Waukesha | USA | Left | Left | 6' 4" | 200 lbs | - |
| Moss, Lonnie | 3B | Free Agent | 31 | 12/30/2019 | Lincoln | USA | Right | Right | 6' 2" | 195 lbs | - |
| Mote, Craig | SP | Free Agent | 31 | 01/24/2020 | Inver Grove Heights | USA | Right | Right | 6' 8" | 200 lbs | - |
| Mousset, Blake | RP | Houston Hammertime | 26 | 05/11/2025 | Saint-Lazare | CAN | Left | Right | 6' 4" | 195 lbs | $400,000 |
| Moy, Bai-luo | CF | Mexico City Cerveceros | 30 | 05/24/2021 | Lara | AUS | Left | Left | 6' 0" | 200 lbs | - |
| Mrazek, Eric | SP | Free Agent | 32 | 12/29/2018 | Edmonton | CAN | Left | Right | 6' 1" | 200 lbs | - |
| Mukhran-Batoni, Shahverdi | CF | Free Agent | 28 | 06/20/2023 | Mt. Lebanon | USA | Left | Left | 5' 10" | 185 lbs | - |
| Mullins, Howard | CL | New England Whalers | 22 | 07/20/2029 | Warwick | USA | Left | Right | 6' 5" | 205 lbs | - |
| Munger, Steve | LF | Free Agent | 28 | 12/09/2022 | South Miami | USA | Left | Left | 6' 3" | 195 lbs | - |
| Murchison, Greg | RP | Free Agent | 30 | 01/29/2021 | Kearns | USA | Right | Right | 6' 4" | 195 lbs | - |
| Murdoch, Pat | 3B | Free Agent | 32 | 01/08/2019 | Knoxville | USA | Switch | Right | 6' 4" | 200 lbs | - |
| Murphy, John | SP | Free Agent | 31 | 01/30/2020 | Chesapeake Ranch Estates-Drum Point | USA | Right | Right | 6' 8" | 200 lbs | - |
| Murphy, Millard | RP | Richardson Barons | 28 | 05/23/2023 | Mattoon | USA | Right | Right | 6' 6" | 200 lbs | $400,000 |
| Myers, Dave | 1B | Free Agent | 34 | 02/21/2017 | Spokane | USA | Left | Left | 6' 5" | 205 lbs | - |
| Márquez, Ricardo | RP | Chapel Hill Sharks | 31 | 08/15/2020 | Boca del Río | MEX | Right | Right | 6' 2" | 200 lbs | - |
| Márquez, Roberto | 3B | Galveston Tides | 31 | 05/02/2020 | Santo Domingo | DOM | Right | Right | 6' 1" | 195 lbs | - |
