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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
|---|---|---|---|---|---|---|---|---|---|
| Mack MacDonald | 2025-2025 | .000 | 0 | 0 | 10 | 7 | 0 | 2.47 | 210 |
| Felipe Machado | 2021-2022 | .000 | 0 | 0 | 2 | 3 | 0 | 2.87 | 75 |
| Tony Machado | 2022-2023 | .000 | 0 | 0 | 2 | 5 | 17 | 3.48 | 56 |
| Ángel Macías | 2024-2025 | .207 | 1 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| José Macías | 2025-2026 | .209 | 1 | 18 | 0 | 0 | 0 | 0.00 | 0 |
| Daniel Mack | 2024-2025 | .000 | 0 | 0 | 2 | 0 | 0 | 3.91 | 20 |
| Sam MacKerras | 2021-2021 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Phil MacNamara | 2026-2026 | .251 | 2 | 18 | 0 | 0 | 0 | 0.00 | 0 |
| Kyle MacRae | 2022-2024 | .000 | 0 | 0 | 3 | 4 | 1 | 3.71 | 114 |
| Ron Madison | 2020-2020 | .000 | 0 | 0 | 10 | 6 | 0 | 2.05 | 180 |
| Enrique Madrid | 2021-2023 | .000 | 0 | 0 | 14 | 18 | 0 | 2.45 | 369 |
| Rubén Madrid | 2023-2023 | .000 | 0 | 0 | 7 | 5 | 0 | 3.60 | 119 |
| Santiago Maes | 2023-2023 | .000 | 0 | 0 | 5 | 9 | 1 | 3.92 | 117 |
| Reynaldo Maestas | 2023-2024 | .000 | 0 | 0 | 7 | 11 | 18 | 3.02 | 171 |
| José Magana | 2020-2025 | .281 | 27 | 221 | 0 | 0 | 0 | 0.00 | 0 |
| Bob Mager | 2026-2026 | .248 | 4 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| Kenny Makris | 2026-2026 | .000 | 0 | 0 | 5 | 6 | 0 | 3.35 | 74 |
| Ken Maksimenov | 2023-2023 | .000 | 0 | 0 | 0 | 0 | 1 | 1.96 | 15 |
| Carlos Maldonado | 2021-2022 | .285 | 5 | 81 | 0 | 0 | 0 | 0.00 | 0 |
| Gerardo Maldonado | 2026-2026 | .201 | 0 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| Higino Malrasca | 2020-2020 | .318 | 0 | 9 | 0 | 0 | 0 | 0.00 | 0 |
| Marvin Mangin | 2020-2021 | .000 | 0 | 0 | 2 | 7 | 0 | 4.29 | 60 |
| Nicholas Manley | 2025-2026 | .095 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Logan Manning | 2020-2021 | .227 | 0 | 45 | 0 | 0 | 0 | 0.00 | 0 |
| Sébastien Marchand | 2025-2025 | .000 | 0 | 0 | 6 | 6 | 0 | 3.50 | 131 |
| Stephen Marchbanks | 2025-2026 | .000 | 0 | 0 | 3 | 3 | 0 | 3.57 | 53 |
| António Marés | 2021-2022 | .000 | 0 | 0 | 19 | 14 | 0 | 2.47 | 417 |
| Lúcio Marín | 2020-2021 | .225 | 1 | 32 | 0 | 0 | 0 | 0.00 | 0 |
| Esteban Marino | 2022-2024 | .000 | 0 | 0 | 5 | 4 | 0 | 2.82 | 73 |
| Rubén Marino | 2020-2020 | .198 | 1 | 9 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Aquiles Marmelo | 2024-2024 | .313 | 3 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| Tyrone Marone | 2024-2024 | .000 | 0 | 0 | 1 | 0 | 0 | 3.86 | 2 |
| Alejandro Márquez | 2024-2024 | .253 | 5 | 32 | 0 | 0 | 0 | 0.00 | 0 |
| Manuel Márquez | 2026-2026 | .203 | 0 | 19 | 0 | 0 | 0 | 0.00 | 0 |
| Thom Marshall | 2020-2022 | .204 | 0 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Marvin Martin | 2022-2022 | .000 | 0 | 0 | 7 | 6 | 1 | 3.38 | 81 |
| Alonso Martínez | 2023-2023 | .000 | 0 | 0 | 5 | 3 | 2 | 3.75 | 58 |
| Bernardo Martínez | 2026-2026 | .232 | 1 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Cristián Martínez | 2022-2023 | .000 | 0 | 0 | 2 | 2 | 0 | 3.80 | 33 |
| Daniel Martínez | 2021-2023 | .000 | 0 | 0 | 10 | 8 | 0 | 3.06 | 183 |
| Felipe Martínez | 2022-2023 | .304 | 1 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Félix Martínez | 2026-2026 | .178 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Fernando Martínez | 2025-2025 | .253 | 3 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| Francisco Martínez | 2021-2021 | .000 | 0 | 0 | 4 | 1 | 2 | 2.75 | 17 |
| Héctor Martínez | 2021-2021 | .231 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Javier Martínez | 2020-2020 | .263 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| José Martínez | 2020-2020 | .267 | 0 | 3 | 0 | 0 | 0 | 0.00 | 0 |
| Manny Martínez | 2020-2021 | .275 | 1 | 11 | 0 | 0 | 0 | 0.00 | 0 |
| Marcos Martínez | 2025-2026 | .256 | 2 | 38 | 0 | 0 | 0 | 0.00 | 0 |
| Mariano Martínez | 2023-2024 | .000 | 0 | 0 | 3 | 7 | 1 | 3.84 | 128 |
| Miguel Martínez | 2020-2020 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Pedro Martínez | 2020-2020 | .000 | 0 | 0 | 0 | 0 | 4 | 1.10 | 15 |
| Pedro Martínez | 2020-2020 | .247 | 1 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| Rafael Martínez | 2023-2023 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 6 |
| Ramón Martínez | 2024-2026 | .000 | 0 | 0 | 6 | 9 | 1 | 3.61 | 112 |
| Ramón Martínez | 2021-2022 | .241 | 0 | 4 | 0 | 0 | 0 | 0.00 | 0 |
| Sergio Martínez | 2020-2020 | .241 | 0 | 5 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Martínez | 2023-2023 | .294 | 6 | 40 | 0 | 0 | 0 | 0.00 | 0 |
| Enrique Martir | 2026-2026 | .000 | 0 | 0 | 0 | 0 | 1 | 0.00 | 7 |
| Roldan Martir | 2025-2026 | .207 | 0 | 3 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Nick Mason | 2024-2024 | .000 | 0 | 0 | 3 | 3 | 0 | 4.07 | 50 |
| Guillermo Mata | 2026-2026 | .332 | 6 | 42 | 0 | 0 | 0 | 0.00 | 0 |
| Javier Matajudíos | 2023-2026 | .000 | 0 | 0 | 12 | 21 | 0 | 3.73 | 268 |
| Florin Matei | 2025-2026 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Arturo Mateo | 2021-2022 | .295 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Charles Mathes | 2020-2020 | .246 | 0 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Chet Mathis | 2026-2026 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Vicente Matos | 2026-2026 | .188 | 1 | 4 | 0 | 0 | 0 | 0.00 | 0 |
| Yataro Matsuura | 2026-2026 | .271 | 4 | 36 | 0 | 0 | 0 | 0.00 | 0 |
| Emílio Mavarro | 2024-2024 | .000 | 0 | 0 | 0 | 4 | 0 | 4.64 | 48 |
| Leif Mayer | 2022-2022 | .000 | 0 | 0 | 9 | 8 | 0 | 3.37 | 137 |
| Rick Mayer | 2020-2020 | .000 | 0 | 0 | 2 | 7 | 0 | 3.66 | 82 |
| Billy Mays | 2024-2024 | .161 | 0 | 8 | 3 | 4 | 0 | 6.75 | 20 |
| Brandon McAllister | 2022-2023 | .000 | 0 | 0 | 6 | 10 | 1 | 4.29 | 108 |
| Dan McBride | 2021-2021 | .000 | 0 | 0 | 1 | 4 | 0 | 5.31 | 30 |
| Gerard McCall | 2025-2026 | .000 | 0 | 0 | 5 | 10 | 0 | 2.71 | 138 |
| Barton McCann | 2020-2020 | .271 | 2 | 4 | 0 | 0 | 0 | 0.00 | 0 |
| Don McCord | 2020-2020 | .239 | 0 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Ty McDaniel | 2023-2023 | .000 | 0 | 0 | 2 | 4 | 4 | 2.59 | 30 |
| Robby McDonald | 2021-2021 | .000 | 0 | 0 | 3 | 3 | 0 | 2.56 | 33 |
| Roy McFerran | 2023-2023 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Thomas McGinnis | 2020-2020 | .000 | 0 | 0 | 8 | 15 | 1 | 3.79 | 122 |
| Bryan McKinney | 2023-2024 | .000 | 0 | 0 | 9 | 2 | 2 | 2.76 | 118 |
| Chris McKinney | 2020-2021 | .287 | 7 | 51 | 0 | 0 | 0 | 0.00 | 0 |
| Scotty McKnight | 2026-2026 | .000 | 0 | 0 | 8 | 6 | 0 | 3.18 | 135 |
| Rich McLean | 2026-2026 | .000 | 0 | 0 | 4 | 0 | 2 | 4.30 | 60 |
| Nord Mead | 2023-2023 | .000 | 0 | 0 | 0 | 0 | 0 | 4.76 | 7 |
| Damien Medforth | 2026-2026 | .109 | 0 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Carlos Medina | 2023-2023 | .000 | 0 | 0 | 1 | 1 | 2 | 4.76 | 10 |
| Jesús Medina | 2022-2024 | .000 | 0 | 0 | 5 | 6 | 0 | 3.32 | 108 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Ignacio Medine | 2025-2025 | .241 | 6 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Javier Medine | 2021-2021 | .213 | 0 | 28 | 0 | 0 | 0 | 0.00 | 0 |
| Marc Meertens | 2020-2023 | .253 | 4 | 57 | 0 | 0 | 0 | 0.00 | 0 |
| Salvadaro Meireles | 2021-2021 | .248 | 1 | 8 | 0 | 0 | 0 | 0.00 | 0 |
| Enrico Mejía | 2024-2024 | .265 | 0 | 10 | 0 | 0 | 0 | 0.00 | 0 |
| Francisco Mejía | 2023-2023 | .229 | 1 | 21 | 0 | 0 | 0 | 0.00 | 0 |
| Jesús Mejía | 2020-2020 | .213 | 3 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| José Mejía | 2023-2023 | .143 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Carlos Meléndez | 2021-2022 | .135 | 0 | 5 | 0 | 0 | 0 | 0.00 | 0 |
| David Meléndez | 2025-2025 | .204 | 1 | 11 | 0 | 0 | 0 | 0.00 | 0 |
| John Meléndez | 2023-2025 | .273 | 0 | 15 | 0 | 0 | 0 | 0.00 | 0 |
| Javier Mena | 2026-2026 | .000 | 0 | 0 | 1 | 1 | 0 | 0.66 | 20 |
| Eddie Ménard | 2024-2024 | .250 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Alfredo Méndez | 2020-2020 | .243 | 0 | 19 | 0 | 0 | 0 | 0.00 | 0 |
| Carlos Méndez | 2025-2025 | .229 | 1 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| Jaime Méndez | 2025-2025 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Méndez | 2021-2022 | .000 | 0 | 0 | 11 | 13 | 0 | 3.18 | 231 |
| Lorenzo Méndez | 2022-2023 | .000 | 0 | 0 | 0 | 0 | 1 | 4.29 | 24 |
| Pepe Méndez | 2020-2020 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Phillip Mendizabal | 2026-2026 | .171 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Alberto Mendoza | 2025-2025 | .000 | 0 | 0 | 11 | 5 | 0 | 2.13 | 152 |
| António Mendoza | 2024-2024 | .220 | 0 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Fernando Mendoza | 2020-2024 | .260 | 1 | 58 | 0 | 0 | 0 | 0.00 | 0 |
| Iván Mendoza | 2025-2025 | .000 | 0 | 0 | 3 | 2 | 5 | 3.02 | 62 |
| Manny Merico | 2022-2022 | .000 | 0 | 0 | 0 | 1 | 0 | 0.00 | 5 |
| Armond Merlin | 2025-2026 | .274 | 5 | 62 | 0 | 0 | 0 | 0.00 | 0 |
| Santiago Mesa | 2022-2022 | .000 | 0 | 0 | 3 | 2 | 0 | 3.27 | 38 |
| Gustavo Meza | 2023-2023 | .235 | 0 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Serafino Miceli | 2025-2025 | .204 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Edolf Middehof | 2023-2023 | .226 | 1 | 5 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Vito Middendorf | 2026-2026 | .220 | 8 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| Tommy Middleton | 2021-2023 | .000 | 0 | 0 | 12 | 10 | 7 | 3.24 | 239 |
| Takashi Miike | 2025-2026 | .262 | 3 | 49 | 0 | 0 | 0 | 0.00 | 0 |
| Scott Mildren | 2023-2023 | .000 | 0 | 0 | 3 | 5 | 0 | 2.75 | 54 |
| Bob Miller | 2022-2023 | .231 | 0 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| Dale Miller | 2022-2024 | .243 | 2 | 55 | 0 | 0 | 0 | 0.00 | 0 |
| Ken Miller | 2025-2025 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Bill Mills | 2022-2022 | .000 | 0 | 0 | 1 | 0 | 1 | 3.12 | 15 |
| Davis Mills | 2020-2020 | .143 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Freddy Miranda | 2023-2023 | .000 | 0 | 0 | 3 | 1 | 7 | 4.21 | 35 |
| Iván Miranda | 2022-2022 | .241 | 1 | 3 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Miranda | 2025-2025 | .118 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Orlando Miranda | 2023-2023 | .298 | 1 | 17 | 0 | 0 | 0 | 0.00 | 0 |
| Stanton Miranda | 2020-2020 | .000 | 0 | 0 | 3 | 5 | 2 | 4.20 | 42 |
| Wei-qiang Mo | 2024-2024 | .320 | 0 | 3 | 0 | 0 | 0 | 0.00 | 0 |
| Júlio Molina | 2023-2023 | 1.000 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Raúl Molina | 2021-2022 | .000 | 0 | 0 | 1 | 3 | 1 | 4.11 | 33 |
| Edén Mont | 2022-2022 | .276 | 2 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Valentín Montenegro | 2023-2023 | .000 | 0 | 0 | 5 | 2 | 3 | 4.31 | 48 |
| Gonzalo Montés | 2022-2026 | .000 | 0 | 0 | 22 | 13 | 5 | 2.47 | 406 |
| Juan Montés | 2022-2023 | .261 | 14 | 75 | 0 | 0 | 0 | 0.00 | 0 |
| Manuel Montés | 2023-2026 | .000 | 0 | 0 | 13 | 16 | 1 | 3.91 | 190 |
| Juan Montoya | 2022-2022 | .000 | 0 | 0 | 6 | 8 | 0 | 3.54 | 171 |
| Lúcio Montoya | 2023-2023 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Miguel Montoya | 2022-2023 | .212 | 1 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Orlando Montoya | 2025-2025 | .232 | 4 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| Chase Mooney | 2023-2023 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Andy Moore | 2020-2020 | .217 | 0 | 36 | 0 | 0 | 0 | 0.00 | 0 |
| José Mora | 2026-2026 | .000 | 0 | 0 | 4 | 0 | 2 | 2.05 | 30 |
| Juan Mora | 2020-2021 | .220 | 2 | 34 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Arturo Morales | 2021-2024 | .288 | 30 | 149 | 0 | 0 | 0 | 0.00 | 0 |
| Arturo Morales | 2020-2020 | .263 | 3 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| David Morales | 2020-2022 | .381 | 2 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Enrique Morales | 2022-2022 | .290 | 1 | 19 | 0 | 0 | 0 | 0.00 | 0 |
| Jesús Morales | 2025-2025 | .317 | 0 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Morales | 2020-2021 | .250 | 1 | 4 | 0 | 0 | 0 | 0.00 | 0 |
| José Morales | 2025-2025 | .000 | 0 | 0 | 1 | 2 | 8 | 0.86 | 21 |
| Pablo Morales | 2025-2026 | .179 | 2 | 24 | 0 | 0 | 0 | 0.00 | 0 |
| José Morán | 2026-2026 | .176 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Lorenzo Morán | 2023-2023 | .000 | 0 | 0 | 1 | 1 | 0 | 5.52 | 11 |
| Miguel Morán | 2025-2025 | .250 | 1 | 4 | 0 | 0 | 0 | 0.00 | 0 |
| Tomás Morán | 2021-2022 | .172 | 0 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| Pedro Moravia | 2022-2022 | .186 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Nathan Moree | 2025-2026 | .000 | 0 | 0 | 11 | 15 | 0 | 4.96 | 107 |
| Fernando Moreno | 2020-2021 | .287 | 0 | 11 | 0 | 0 | 0 | 0.00 | 0 |
| Luis Moreno | 2024-2024 | .196 | 0 | 4 | 0 | 0 | 0 | 0.00 | 0 |
| Raúl Moreno | 2025-2026 | .248 | 9 | 63 | 0 | 0 | 0 | 0.00 | 0 |
| Jarred Morgan | 2021-2022 | .188 | 1 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Marc Morgan | 2025-2025 | .000 | 0 | 0 | 2 | 4 | 0 | 5.73 | 41 |
| Melvin Morgan | 2020-2020 | .000 | 0 | 0 | 0 | 3 | 1 | 4.25 | 22 |
| Alfonso Morín | 2026-2026 | .196 | 3 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Jorge Morín | 2026-2026 | .244 | 4 | 17 | 0 | 0 | 0 | 0.00 | 0 |
| José Morín | 2023-2023 | .197 | 2 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| Dave Morse | 2024-2024 | .000 | 0 | 0 | 9 | 3 | 0 | 2.55 | 93 |
| Danilo Mosca | 2020-2022 | .223 | 0 | 16 | 0 | 0 | 0 | 0.00 | 0 |
| Braxton Mosley | 2023-2023 | .271 | 5 | 35 | 0 | 0 | 0 | 0.00 | 0 |
| Bert Motevassel | 2020-2021 | .200 | 1 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Alonso Muñíz | 2021-2021 | .000 | 0 | 0 | 3 | 1 | 9 | 0.97 | 42 |
| António Muñóz | 2026-2026 | .000 | 0 | 0 | 4 | 14 | 0 | 4.81 | 140 |
| Augusto Muñóz | 2025-2026 | .000 | 0 | 0 | 1 | 0 | 0 | 2.62 | 11 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| César Muñóz | 2020-2024 | .272 | 3 | 42 | 0 | 0 | 0 | 0.00 | 0 |
| José Muñóz | 2024-2024 | .000 | 0 | 0 | 8 | 9 | 0 | 4.02 | 101 |
| Roger Murdock | 2026-2026 | .000 | 0 | 0 | 7 | 9 | 0 | 3.05 | 119 |
| Ciríaco Muro | 2024-2024 | .000 | 0 | 0 | 7 | 8 | 0 | 2.70 | 138 |
| Guy Mussi | 2025-2025 | .250 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Christian Mustard | 2025-2025 | .000 | 0 | 0 | 0 | 3 | 6 | 3.25 | 41 |
| Ammuc Mwenda | 2026-2026 | .000 | 0 | 0 | 1 | 1 | 1 | 1.93 | 29 |
| Cooper Myers | 2025-2025 | .000 | 0 | 0 | 2 | 0 | 0 | 2.33 | 41 |
