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| "M" Pitching Register | |
| Batting Register | Pitching Glossary |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO | PWS |
| Frank Maccormack | 1977-1980 | 24 | 52 | .316 | 4.68 | 113 | 108 | 1 | 0 | 0 | 623.3 | 585 | 324 | 81 | 378 | 210 | 14.9 |
| Bob Macdonald | 1993-1999 | 23 | 25 | .479 | 4.62 | 398 | 1 | 0 | 0 | 17 | 421.0 | 467 | 216 | 52 | 143 | 246 | 24.6 |
| Mike Macdougal | 2001-2005 | 31 | 37 | .456 | 6.62 | 116 | 88 | 1 | 1 | 4 | 493.3 | 548 | 363 | 70 | 234 | 443 | 13.8 |
| Julio Machado | 1991-2004 | 67 | 58 | .536 | 4.45 | 769 | 1 | 0 | 0 | 188 | 905.0 | 832 | 447 | 59 | 558 | 932 | 89.9 |
| Scott Macrae | 2001-2005 | 22 | 12 | .647 | 5.10 | 331 | 1 | 0 | 0 | 11 | 345.6 | 402 | 196 | 22 | 157 | 224 | 20.6 |
| Keith Macwhorter | 1984-1988 | 25 | 21 | .543 | 2.97 | 250 | 41 | 0 | 0 | 3 | 496.3 | 464 | 164 | 24 | 157 | 238 | 28.5 |
| Mike Madden | 1985-1988 | 6 | 4 | .600 | 4.02 | 127 | 0 | 0 | 0 | 1 | 127.7 | 133 | 57 | 7 | 80 | 105 | 5.5 |
| Greg Maddux | 1988-2003 | 118 | 180 | .396 | 4.85 | 429 | 420 | 23 | 4 | 0 | 2539.3 | 2663 | 1367 | 358 | 959 | 2084 | 103.6 |
| Mike Maddux | 1987-1998 | 105 | 105 | .500 | 4.25 | 351 | 315 | 6 | 4 | 1 | 1822.3 | 1887 | 861 | 112 | 792 | 1254 | 81.2 |
| Bobby Madritsch | 2004-2005 | 28 | 22 | .560 | 4.07 | 70 | 70 | 10 | 0 | 0 | 480.0 | 469 | 217 | 33 | 184 | 397 | 36.5 |
| Mike Magnante | 1993-1999 | 23 | 24 | .489 | 4.35 | 296 | 0 | 0 | 0 | 33 | 418.3 | 427 | 202 | 38 | 169 | 326 | 32.8 |
| Joe Magrane | 1988-1998 | 43 | 63 | .406 | 4.95 | 279 | 124 | 2 | 0 | 8 | 805.0 | 905 | 443 | 117 | 288 | 641 | 17.8 |
| Mickey Mahler | 1984-1987 | 24 | 29 | .453 | 3.82 | 86 | 86 | 0 | 0 | 0 | 442.7 | 447 | 188 | 20 | 147 | 489 | 19.1 |
| Rick Mahler | 1986-1986 | 0 | 0 | .000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0.0 |
| Gary Majewski | 2004-2005 | 17 | 16 | .515 | 6.05 | 142 | 0 | 0 | 0 | 42 | 218.7 | 265 | 147 | 23 | 76 | 141 | 15.7 |
| Mark Malaska | 2003-2005 | 5 | 1 | .833 | 4.92 | 62 | 0 | 0 | 0 | 5 | 71.3 | 58 | 39 | 8 | 40 | 64 | 6.1 |
| Carlos Maldonado | 1992-2004 | 45 | 39 | .536 | 4.51 | 669 | 21 | 0 | 0 | 37 | 804.6 | 844 | 403 | 29 | 391 | 603 | 57.8 |
| Rob Mallicoat | 1990-2001 | 44 | 24 | .647 | 4.48 | 507 | 0 | 0 | 0 | 22 | 701.3 | 656 | 349 | 114 | 317 | 731 | 52.1 |
| Bob Malloy | 1993-1999 | 27 | 30 | .474 | 4.97 | 122 | 73 | 0 | 0 | 2 | 532.3 | 543 | 294 | 87 | 217 | 443 | 25.3 |
| Chuck Malone | 1993-2000 | 23 | 11 | .676 | 4.62 | 195 | 0 | 0 | 0 | 14 | 249.3 | 224 | 128 | 43 | 126 | 326 | 19.7 |
| Matt Mantei | 1997-2005 | 46 | 38 | .548 | 5.35 | 798 | 0 | 0 | 0 | 39 | 816.0 | 742 | 485 | 165 | 401 | 1045 | 55.6 |
| Josias Manzanillo | 1995-2005 | 49 | 43 | .533 | 3.43 | 789 | 1 | 0 | 0 | 172 | 886.6 | 736 | 338 | 30 | 321 | 1062 | 133.4 |
| Ravelo Manzanillo | 1994-2001 | 20 | 26 | .435 | 6.83 | 325 | 18 | 0 | 0 | 6 | 449.3 | 519 | 341 | 76 | 320 | 315 | 11.0 |
| Shaun Marcum | 2005-2005 | 3 | 10 | .231 | 5.27 | 20 | 20 | 0 | 0 | 0 | 97.3 | 95 | 57 | 19 | 43 | 106 | 3.5 |
| Mike Maroth | 2002-2002 | 7 | 5 | .583 | 6.31 | 15 | 15 | 0 | 0 | 0 | 87.0 | 99 | 61 | 16 | 23 | 60 | 1.4 |
| Jason Marquis | 2001-2005 | 30 | 29 | .508 | 5.05 | 311 | 0 | 0 | 0 | 35 | 476.3 | 519 | 267 | 92 | 192 | 485 | 35.3 |
| Mike Marshall | 1977-1980 | 13 | 14 | .481 | 3.73 | 224 | 0 | 0 | 0 | 2 | 291.7 | 316 | 121 | 5 | 117 | 163 | 14.7 |
| Damaso Marte | 2000-2005 | 28 | 17 | .622 | 4.46 | 373 | 0 | 0 | 0 | 7 | 522.6 | 444 | 259 | 84 | 225 | 614 | 41.9 |
| Alfredo Martinez | 1980-1992 | 121 | 95 | .560 | 3.39 | 399 | 278 | 15 | 5 | 8 | 1941.0 | 1906 | 731 | 121 | 447 | 904 | 124.0 |
| Dennis Martinez | 1977-1986 | 58 | 108 | .349 | 3.82 | 288 | 239 | 7 | 0 | 0 | 1463.0 | 1523 | 621 | 84 | 453 | 625 | 58.8 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO | PWS |
| Javier Martinez | 2000-2004 | 10 | 7 | .588 | 4.87 | 201 | 1 | 0 | 0 | 6 | 231.0 | 185 | 125 | 35 | 175 | 280 | 16.7 |
| John Martin | 1981-1982 | 17 | 36 | .321 | 4.33 | 71 | 71 | 5 | 4 | 0 | 426.0 | 436 | 205 | 46 | 155 | 219 | 13.9 |
| Pedro Martinez | 1995-2000 | 19 | 13 | .594 | 4.27 | 286 | 0 | 0 | 0 | 9 | 360.3 | 303 | 171 | 42 | 206 | 395 | 22.8 |
| Pedro Martinez | 1995-2005 | 138 | 116 | .543 | 4.76 | 349 | 349 | 5 | 1 | 0 | 2096.0 | 1845 | 1109 | 347 | 766 | 2481 | 120.1 |
| Renie Martin | 1979-1985 | 20 | 25 | .444 | 4.48 | 294 | 0 | 0 | 0 | 2 | 482.6 | 515 | 240 | 34 | 206 | 207 | 20.2 |
| Silvio Martinez | 1982-1983 | 4 | 4 | .500 | 4.37 | 55 | 0 | 0 | 0 | 4 | 80.3 | 68 | 39 | 12 | 47 | 33 | 2.3 |
| Tippy Martinez | 1975-1986 | 53 | 50 | .515 | 3.03 | 561 | 0 | 0 | 0 | 253 | 602.3 | 609 | 203 | 8 | 253 | 299 | 83.9 |
| Tom Martin | 1997-2005 | 17 | 13 | .567 | 5.33 | 182 | 1 | 0 | 0 | 11 | 244.7 | 300 | 145 | 44 | 101 | 188 | 14.7 |
| Willie Martinez | 2002-2005 | 8 | 7 | .533 | 6.43 | 109 | 18 | 0 | 0 | 2 | 235.0 | 308 | 168 | 13 | 109 | 105 | 6.0 |
| Randy Martz | 1983-1989 | 43 | 60 | .417 | 3.82 | 167 | 141 | 3 | 1 | 0 | 880.3 | 902 | 374 | 59 | 260 | 390 | 35.7 |
| Onan Masaoka | 2000-2005 | 23 | 24 | .489 | 5.17 | 417 | 0 | 0 | 0 | 27 | 479.0 | 438 | 275 | 91 | 304 | 707 | 33.5 |
| Mike Mason | 1984-1997 | 189 | 177 | .516 | 3.70 | 493 | 492 | 35 | 13 | 0 | 3248.6 | 3232 | 1335 | 320 | 602 | 2621 | 185.3 |
| Roger Mason | 1985-1991 | 13 | 25 | .342 | 4.51 | 67 | 53 | 1 | 1 | 1 | 333.0 | 369 | 167 | 10 | 172 | 199 | 8.8 |
| Julio Mateo | 2004-2005 | 6 | 8 | .429 | 5.72 | 78 | 0 | 0 | 0 | 4 | 118.0 | 118 | 75 | 22 | 62 | 94 | 5.5 |
| Greg Mathews | 1987-1991 | 15 | 26 | .366 | 4.67 | 63 | 62 | 5 | 2 | 0 | 395.0 | 434 | 205 | 44 | 132 | 165 | 12.4 |
| Terry Mathews | 1991-1996 | 11 | 14 | .440 | 5.71 | 151 | 7 | 0 | 0 | 5 | 192.3 | 246 | 122 | 23 | 95 | 129 | 1.7 |
| T.J. Mathews | 1995-2005 | 30 | 23 | .566 | 4.65 | 474 | 0 | 0 | 0 | 11 | 610.0 | 597 | 315 | 106 | 241 | 658 | 34.5 |
| Jon Matlack | 1972-1989 | 144 | 134 | .518 | 3.35 | 387 | 378 | 19 | 4 | 0 | 2407.3 | 2343 | 897 | 165 | 588 | 1301 | 131.7 |
| Mike Matthews | 2001-2003 | 7 | 10 | .412 | 5.83 | 133 | 0 | 0 | 0 | 4 | 145.0 | 177 | 94 | 21 | 74 | 124 | 6.2 |
| Rick Matula | 1980-1982 | 0 | 1 | .000 | 3.00 | 3 | 2 | 0 | 0 | 0 | 15.0 | 13 | 5 | 1 | 3 | 2 | 0.6 |
| Rudy May | 1977-1981 | 37 | 48 | .435 | 3.87 | 140 | 138 | 14 | 3 | 0 | 922.0 | 931 | 396 | 83 | 324 | 403 | 49.8 |
| Joe Mays | 1999-2001 | 12 | 22 | .353 | 6.23 | 119 | 45 | 0 | 0 | 5 | 331.0 | 389 | 229 | 73 | 128 | 277 | 8.5 |
| Jamie McAndrew | 1995-1998 | 9 | 20 | .310 | 6.85 | 51 | 29 | 4 | 0 | 1 | 218.0 | 289 | 166 | 22 | 100 | 118 | 3.3 |
| Larry McCall | 1978-1981 | 8 | 9 | .471 | 5.14 | 134 | 0 | 0 | 0 | 4 | 212.0 | 266 | 121 | 14 | 95 | 69 | 3.9 |
| Greg McCarthy | 1998-2000 | 2 | 0 | 1.000 | 4.45 | 23 | 0 | 0 | 0 | 0 | 28.3 | 22 | 14 | 4 | 23 | 35 | 2.2 |
| Tom McCarthy | 1991-1999 | 55 | 37 | .598 | 3.06 | 607 | 0 | 0 | 0 | 96 | 771.6 | 762 | 262 | 29 | 272 | 522 | 101.8 |
| Kirk McCaskill | 1986-1995 | 20 | 27 | .426 | 4.08 | 196 | 58 | 1 | 0 | 3 | 516.3 | 530 | 234 | 49 | 142 | 347 | 22.1 |
| Steve McCatty | 1978-1985 | 58 | 87 | .400 | 5.73 | 200 | 200 | 9 | 2 | 0 | 1096.0 | 1286 | 698 | 146 | 467 | 418 | 16.2 |
| Bob McClure | 1976-1988 | 25 | 27 | .481 | 4.24 | 461 | 0 | 0 | 0 | 32 | 592.0 | 596 | 279 | 26 | 318 | 310 | 33.7 |
| Sam McConnell | 2005-2005 | 1 | 1 | .500 | 5.49 | 14 | 0 | 0 | 0 | 0 | 19.7 | 18 | 12 | 2 | 10 | 13 | 0.9 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO | PWS |
| Don McCormack | 1981-1984 | 1 | 0 | 1.000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0.4 |
| Lance McCullers | 1985-2002 | 88 | 73 | .547 | 2.89 | 1022 | 3 | 0 | 0 | 369 | 1363.6 | 1094 | 438 | 39 | 584 | 1403 | 200.1 |
| Ben McDonald | 1996-2000 | 3 | 7 | .300 | 6.59 | 18 | 18 | 1 | 0 | 0 | 99.7 | 113 | 73 | 24 | 49 | 76 | 1.7 |
| Keith McDonald | 2004-2004 | 0 | 1 | .000 | 7.38 | 2 | 0 | 0 | 0 | 1 | 3.7 | 4 | 3 | 0 | 4 | 2 | 0.0 |
| Jack McDowell | 1988-2003 | 38 | 82 | .317 | 5.64 | 246 | 173 | 1 | 0 | 3 | 1037.9 | 1159 | 650 | 219 | 425 | 902 | 36.0 |
| Roger McDowell | 1985-1996 | 54 | 46 | .540 | 3.57 | 483 | 26 | 1 | 1 | 28 | 927.0 | 904 | 368 | 55 | 385 | 665 | 61.2 |
| Chuck McElroy | 1992-2003 | 39 | 38 | .506 | 5.09 | 605 | 1 | 0 | 0 | 21 | 758.6 | 750 | 429 | 119 | 397 | 742 | 41.7 |
| Will McEnaney | 1975-1981 | 10 | 8 | .556 | 4.90 | 254 | 0 | 0 | 0 | 2 | 281.0 | 374 | 153 | 14 | 98 | 77 | 7.3 |
| Andy McGaffigan | 1982-1992 | 48 | 34 | .585 | 3.71 | 572 | 0 | 0 | 0 | 16 | 696.3 | 639 | 287 | 81 | 270 | 452 | 42.4 |
| Randy McGilberry | 1981-1983 | 5 | 6 | .455 | 6.73 | 63 | 0 | 0 | 0 | 0 | 88.3 | 127 | 66 | 15 | 66 | 33 | 0.6 |
| Kevin McGlinchy | 1999-2003 | 17 | 18 | .486 | 4.44 | 198 | 0 | 0 | 0 | 61 | 253.3 | 246 | 125 | 32 | 123 | 296 | 28.8 |
| Lynn McGlothen | 1977-1981 | 23 | 58 | .284 | 3.94 | 140 | 129 | 0 | 0 | 0 | 747.0 | 720 | 327 | 81 | 339 | 421 | 20.4 |
| Tug McGraw | 1977-1981 | 16 | 11 | .593 | 3.18 | 243 | 0 | 0 | 0 | 8 | 285.7 | 244 | 101 | 23 | 105 | 173 | 22.3 |
| Scott McGregor | 1977-1989 | 112 | 98 | .533 | 3.16 | 419 | 291 | 14 | 2 | 6 | 2031.0 | 2018 | 712 | 96 | 484 | 914 | 135.2 |
| Joel McKeon | 1986-1994 | 31 | 31 | .500 | 4.25 | 437 | 0 | 0 | 0 | 23 | 421.7 | 410 | 199 | 31 | 226 | 344 | 22.7 |
| Tony McKnight | 2000-2002 | 7 | 7 | .500 | 6.57 | 30 | 14 | 0 | 0 | 3 | 85.0 | 100 | 62 | 17 | 50 | 56 | 2.1 |
| Bo McLaughlin | 1977-1989 | 34 | 40 | .459 | 3.53 | 579 | 2 | 0 | 0 | 63 | 704.3 | 692 | 276 | 44 | 276 | 407 | 44.0 |
| Byron McLaughlin | 1983-1983 | 1 | 0 | 1.000 | 4.61 | 27 | 0 | 0 | 0 | 0 | 41.0 | 39 | 21 | 0 | 26 | 18 | 0.8 |
| Joey McLaughlin | 1977-1990 | 76 | 124 | .380 | 4.76 | 269 | 264 | 8 | 4 | 0 | 1504.3 | 1619 | 796 | 131 | 691 | 684 | 27.5 |
| Greg McMichael | 1993-2001 | 43 | 35 | .551 | 4.81 | 516 | 0 | 0 | 0 | 38 | 644.0 | 687 | 344 | 92 | 340 | 553 | 40.1 |
| Craig McMurtry | 1984-1992 | 59 | 51 | .536 | 4.02 | 256 | 118 | 6 | 2 | 7 | 896.0 | 972 | 400 | 43 | 349 | 416 | 42.5 |
| Larry McWilliams | 1978-1991 | 170 | 158 | .518 | 3.60 | 482 | 434 | 52 | 14 | 2 | 3081.3 | 2865 | 1233 | 308 | 823 | 1665 | 186.7 |
| Rusty Meacham | 1996-2004 | 45 | 23 | .662 | 5.34 | 449 | 2 | 0 | 0 | 8 | 572.6 | 623 | 340 | 88 | 196 | 437 | 31.5 |
| Brian Meadows | 1999-2001 | 13 | 25 | .342 | 6.79 | 135 | 23 | 1 | 0 | 7 | 258.3 | 362 | 195 | 53 | 70 | 132 | 6.9 |
| Dave Meads | 1989-1999 | 21 | 19 | .525 | 4.34 | 428 | 0 | 0 | 0 | 29 | 437.3 | 440 | 211 | 39 | 199 | 285 | 31.1 |
| Pat Meares | 1993-2000 | 0 | 1 | .000 | 63.00 | 1 | 0 | 0 | 0 | 0 | 1.0 | 5 | 7 | 1 | 2 | 1 | 0.0 |
| Jim Mecir | 2001-2004 | 25 | 28 | .472 | 5.59 | 95 | 88 | 0 | 0 | 1 | 435.0 | 485 | 270 | 61 | 231 | 391 | 18.5 |
| Doc Medich | 1973-1986 | 26 | 45 | .366 | 3.67 | 389 | 52 | 9 | 1 | 6 | 702.3 | 707 | 286 | 49 | 191 | 425 | 36.9 |
| Scott Medvin | 1990-1994 | 14 | 13 | .519 | 3.78 | 232 | 0 | 0 | 0 | 6 | 274.0 | 283 | 115 | 29 | 90 | 124 | 15.6 |
| Mario Mendoza | 1977-1977 | 0 | 2 | .000 | 27.02 | 6 | 0 | 0 | 0 | 4 | 5.3 | 15 | 16 | 4 | 7 | 2 | 0.0 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO | PWS |
| Mike Mendoza | 1979-1990 | 45 | 27 | .625 | 2.66 | 621 | 8 | 0 | 0 | 26 | 694.0 | 546 | 205 | 34 | 146 | 247 | 74.7 |
| Ramiro Mendoza | 1998-2005 | 11 | 14 | .440 | 5.66 | 205 | 15 | 0 | 0 | 9 | 396.0 | 476 | 249 | 68 | 110 | 256 | 21.7 |
| Tony Menendez | 1995-1995 | 2 | 0 | 1.000 | 6.03 | 24 | 0 | 0 | 0 | 1 | 37.3 | 54 | 25 | 7 | 9 | 26 | 0.5 |
| Hector Mercado | 2000-2005 | 7 | 7 | .500 | 6.56 | 137 | 0 | 0 | 0 | 2 | 152.3 | 152 | 111 | 23 | 86 | 161 | 4.3 |
| Mark Mercer | 1981-1981 | 1 | 0 | 1.000 | 10.81 | 6 | 0 | 0 | 0 | 1 | 6.7 | 11 | 8 | 2 | 7 | 5 | 0.0 |
| Jose Mesa | 1990-2001 | 115 | 85 | .575 | 3.91 | 325 | 267 | 14 | 7 | 3 | 1823.6 | 1822 | 793 | 115 | 758 | 1497 | 117.8 |
| Andy Messersmith | 1977-1983 | 99 | 72 | .579 | 3.19 | 261 | 211 | 14 | 4 | 14 | 1398.6 | 1111 | 495 | 138 | 462 | 744 | 98.9 |
| Butch Metzger | 1975-1985 | 32 | 53 | .376 | 4.71 | 674 | 10 | 0 | 0 | 97 | 702.0 | 723 | 367 | 84 | 311 | 302 | 33.5 |
| Bart Miadich | 2003-2005 | 8 | 17 | .320 | 4.49 | 162 | 0 | 0 | 0 | 6 | 212.3 | 167 | 106 | 31 | 90 | 296 | 15.9 |
| Dan Miceli | 1994-2004 | 52 | 34 | .605 | 4.57 | 586 | 0 | 0 | 0 | 36 | 600.3 | 561 | 305 | 70 | 287 | 583 | 49.8 |
| Gary Mielke | 1989-1989 | 0 | 0 | .000 | 7.95 | 3 | 0 | 0 | 0 | 0 | 5.7 | 8 | 5 | 1 | 3 | 3 | 0.0 |
| Bob Milacki | 1989-1995 | 6 | 10 | .375 | 5.56 | 25 | 25 | 3 | 2 | 0 | 147.3 | 169 | 91 | 17 | 72 | 91 | 2.0 |
| Sam Militello | 1999-1999 | 5 | 0 | 1.000 | 6.10 | 25 | 0 | 0 | 0 | 0 | 31.0 | 33 | 21 | 3 | 19 | 26 | 1.5 |
| Kevin Millar | 1999-2000 | 1 | 0 | 1.000 | 4.50 | 1 | 0 | 0 | 0 | 0 | 2.0 | 1 | 1 | 0 | 2 | 1 | 0.2 |
| Dyar Miller | 1977-1984 | 54 | 34 | .614 | 4.11 | 477 | 2 | 0 | 0 | 42 | 782.7 | 774 | 357 | 81 | 284 | 272 | 48.2 |
| Matt Miller | 2001-2005 | 22 | 11 | .667 | 4.75 | 367 | 2 | 0 | 0 | 10 | 349.0 | 345 | 184 | 24 | 156 | 269 | 29.1 |
| Paul Miller | 1997-1997 | 1 | 1 | .500 | 7.88 | 5 | 5 | 0 | 0 | 0 | 24.0 | 33 | 21 | 1 | 14 | 7 | 0.0 |
| Trever Miller | 1998-2005 | 49 | 55 | .471 | 5.67 | 166 | 151 | 2 | 2 | 1 | 832.3 | 863 | 524 | 150 | 291 | 830 | 21.4 |
| Wade Miller | 2000-2005 | 61 | 40 | .604 | 4.74 | 160 | 158 | 1 | 0 | 0 | 910.7 | 882 | 480 | 149 | 267 | 922 | 49.6 |
| Alan Mills | 1993-2002 | 28 | 34 | .452 | 5.31 | 434 | 0 | 0 | 0 | 50 | 512.0 | 589 | 302 | 40 | 287 | 404 | 30.0 |
| Kevin Millwood | 1999-2005 | 96 | 63 | .604 | 4.28 | 220 | 220 | 2 | 1 | 0 | 1333.3 | 1196 | 634 | 199 | 348 | 1678 | 97.9 |
| Eric Milton | 1999-2003 | 28 | 20 | .583 | 4.45 | 286 | 13 | 2 | 1 | 14 | 491.3 | 521 | 243 | 85 | 184 | 466 | 37.2 |
| Steve Mingori | 1977-1983 | 23 | 23 | .500 | 3.45 | 395 | 1 | 0 | 0 | 14 | 433.3 | 401 | 166 | 24 | 169 | 222 | 29.1 |
| Greg Minton | 1978-1981 | 18 | 35 | .340 | 4.07 | 76 | 64 | 9 | 1 | 0 | 436.0 | 429 | 197 | 32 | 201 | 146 | 11.6 |
| Paul Mirabella | 1978-1983 | 13 | 25 | .342 | 3.62 | 280 | 11 | 0 | 0 | 8 | 479.6 | 484 | 193 | 28 | 204 | 198 | 30.5 |
| Angel Miranda | 1995-2004 | 14 | 24 | .368 | 6.48 | 322 | 8 | 0 | 0 | 8 | 494.7 | 584 | 356 | 92 | 293 | 344 | 13.3 |
| Charlie Mitchell | 1987-2002 | 66 | 57 | .537 | 3.27 | 829 | 0 | 0 | 0 | 340 | 991.6 | 1016 | 360 | 40 | 317 | 826 | 149.3 |
| Larry Mitchell | 1999-2005 | 28 | 29 | .491 | 5.36 | 407 | 0 | 0 | 0 | 22 | 762.0 | 815 | 454 | 118 | 347 | 589 | 39.3 |
| Paul Mitchell | 1977-1977 | 3 | 8 | .273 | 6.47 | 18 | 18 | 0 | 0 | 0 | 105.7 | 157 | 76 | 16 | 32 | 39 | 0.0 |
| Dave Mlicki | 1994-2003 | 60 | 106 | .361 | 5.52 | 271 | 247 | 2 | 2 | 0 | 1314.0 | 1379 | 806 | 164 | 592 | 1209 | 43.2 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO | PWS |
| Randy Moffitt | 1977-1981 | 28 | 23 | .549 | 4.00 | 273 | 0 | 0 | 0 | 34 | 344.0 | 372 | 153 | 14 | 130 | 178 | 24.5 |
| Mike Mohler | 1998-2002 | 27 | 27 | .500 | 5.30 | 266 | 45 | 0 | 0 | 6 | 490.3 | 544 | 289 | 85 | 216 | 452 | 21.3 |
| Dale Mohorcic | 1987-1987 | 2 | 1 | .667 | 8.49 | 19 | 0 | 0 | 0 | 0 | 23.3 | 35 | 22 | 2 | 15 | 12 | 0.0 |
| Sid Monge | 1976-1987 | 37 | 32 | .536 | 3.84 | 484 | 2 | 0 | 0 | 16 | 622.7 | 609 | 266 | 55 | 295 | 358 | 36.1 |
| John Montague | 1977-1978 | 4 | 10 | .286 | 3.94 | 58 | 5 | 0 | 0 | 7 | 105.0 | 103 | 46 | 7 | 39 | 42 | 5.9 |
| Rafael Montalvo | 1987-2004 | 237 | 201 | .541 | 3.38 | 638 | 638 | 15 | 9 | 0 | 3909.6 | 4021 | 1469 | 250 | 593 | 2733 | 346.5 |
| John Montefusco | 1977-1981 | 45 | 64 | .413 | 3.77 | 194 | 149 | 7 | 1 | 0 | 1018.3 | 1032 | 427 | 89 | 283 | 611 | 41.9 |
| Rich Monteleone | 1990-2001 | 64 | 55 | .538 | 3.22 | 746 | 1 | 0 | 0 | 130 | 1077.6 | 1030 | 386 | 75 | 277 | 943 | 123.1 |
| Jeff Montgomery | 1990-1999 | 30 | 49 | .380 | 4.95 | 408 | 87 | 1 | 1 | 12 | 999.3 | 1162 | 550 | 116 | 346 | 648 | 42.0 |
| Bill Mooneyham | 1988-1997 | 76 | 41 | .650 | 3.88 | 265 | 180 | 3 | 2 | 2 | 1103.6 | 905 | 476 | 93 | 625 | 1068 | 56.7 |
| Bobby Moore | 1992-1992 | 4 | 3 | .571 | 8.09 | 64 | 0 | 0 | 0 | 1 | 62.3 | 91 | 56 | 5 | 53 | 42 | 0.0 |
| Donnie Moore | 1977-1989 | 56 | 55 | .505 | 3.38 | 649 | 74 | 0 | 0 | 15 | 1074.3 | 1049 | 403 | 62 | 339 | 956 | 66.5 |
| Mike Moore | 1984-1997 | 97 | 124 | .439 | 4.11 | 549 | 290 | 0 | 0 | 5 | 1862.0 | 1878 | 851 | 219 | 649 | 1512 | 84.0 |
| Tommy Moore | 1977-1980 | 9 | 7 | .563 | 4.07 | 116 | 0 | 0 | 0 | 3 | 214.3 | 222 | 97 | 5 | 119 | 57 | 11.8 |
| Trey Moore | 1998-2004 | 34 | 35 | .493 | 5.55 | 232 | 60 | 0 | 0 | 0 | 562.3 | 598 | 347 | 100 | 213 | 410 | 22.5 |
| Ramon Morel | 2000-2005 | 23 | 19 | .548 | 4.99 | 304 | 0 | 0 | 0 | 11 | 317.6 | 343 | 176 | 40 | 130 | 280 | 22.2 |
| Angel Moreno | 1982-1984 | 2 | 9 | .182 | 6.61 | 68 | 3 | 0 | 0 | 3 | 95.3 | 120 | 70 | 14 | 54 | 43 | 0.0 |
| Orber Moreno | 2000-2005 | 16 | 14 | .533 | 6.06 | 223 | 8 | 0 | 0 | 8 | 245.0 | 265 | 165 | 27 | 122 | 239 | 11.1 |
| Roger Moret | 1977-1982 | 30 | 24 | .556 | 4.43 | 257 | 23 | 0 | 0 | 16 | 503.3 | 497 | 248 | 59 | 242 | 210 | 27.2 |
| Dan Morogiello | 1984-1989 | 30 | 16 | .652 | 3.30 | 290 | 1 | 0 | 0 | 8 | 580.3 | 602 | 213 | 15 | 161 | 259 | 44.3 |
| Jack Morris | 1978-1993 | 184 | 182 | .503 | 3.42 | 514 | 503 | 25 | 12 | 2 | 3281.0 | 3090 | 1248 | 247 | 960 | 2965 | 154.6 |
| Matt Morris | 1997-2005 | 84 | 114 | .424 | 4.86 | 278 | 270 | 22 | 6 | 0 | 1762.6 | 1799 | 951 | 277 | 563 | 1665 | 113.8 |
| Paul Moskau | 1977-1987 | 168 | 80 | .677 | 2.91 | 366 | 334 | 38 | 15 | 0 | 2325.0 | 1994 | 751 | 181 | 492 | 1682 | 138.3 |
| Danny Mota | 2003-2003 | 4 | 4 | .500 | 5.35 | 53 | 0 | 0 | 0 | 4 | 70.7 | 73 | 42 | 11 | 24 | 40 | 4.0 |
| Guillermo Mota | 1999-1999 | 0 | 1 | .000 | 7.09 | 30 | 0 | 0 | 0 | 1 | 33.0 | 50 | 26 | 6 | 14 | 27 | 0.0 |
| Manny Mota | 1977-1977 | 0 | 1 | .000 | 13.64 | 1 | 0 | 0 | 0 | 0 | 0.7 | 3 | 1 | 0 | 0 | 0 | 0.0 |
| Lyle Mouton | 1995-1999 | 0 | 1 | .000 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1.7 | 1 | 0 | 0 | 1 | 1 | 0.1 |
| Jamie Moyer | 1988-1998 | 44 | 89 | .331 | 4.62 | 302 | 175 | 0 | 0 | 5 | 1145.0 | 1190 | 588 | 188 | 345 | 865 | 34.0 |
| Willie Mueller | 1983-1993 | 35 | 24 | .593 | 3.59 | 585 | 0 | 0 | 0 | 21 | 855.6 | 956 | 341 | 22 | 173 | 425 | 48.8 |
| Mark Mulder | 2003-2005 | 18 | 20 | .474 | 5.28 | 78 | 52 | 2 | 0 | 4 | 329.0 | 371 | 193 | 59 | 84 | 283 | 14.2 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO | PWS |
| Terry Mulholland | 1987-2002 | 76 | 50 | .603 | 4.63 | 663 | 18 | 0 | 0 | 76 | 1066.6 | 1203 | 549 | 152 | 298 | 798 | 75.7 |
| Greg Mullins | 1999-2005 | 28 | 26 | .519 | 3.65 | 407 | 0 | 0 | 0 | 155 | 424.7 | 423 | 172 | 13 | 95 | 380 | 79.0 |
| Bobby Munoz | 1997-2000 | 8 | 4 | .667 | 4.97 | 149 | 0 | 0 | 0 | 3 | 231.7 | 257 | 128 | 28 | 75 | 176 | 12.3 |
| Mike Munoz | 1992-1997 | 11 | 19 | .367 | 4.22 | 354 | 0 | 0 | 0 | 10 | 315.6 | 301 | 148 | 30 | 162 | 240 | 17.5 |
| Peter Munro | 1999-2005 | 13 | 19 | .406 | 5.23 | 98 | 40 | 0 | 0 | 5 | 308.3 | 357 | 179 | 50 | 119 | 229 | 14.1 |
| Steve Mura | 1981-1983 | 4 | 6 | .400 | 3.89 | 62 | 0 | 0 | 0 | 1 | 92.7 | 101 | 40 | 11 | 59 | 36 | 3.2 |
| Rob Murphy | 1986-1993 | 14 | 22 | .389 | 4.87 | 265 | 1 | 0 | 0 | 5 | 333.0 | 325 | 180 | 40 | 206 | 279 | 12.0 |
| Dan Murray | 1999-2000 | 8 | 5 | .615 | 7.36 | 82 | 0 | 0 | 0 | 3 | 128.3 | 157 | 105 | 19 | 61 | 91 | 2.6 |
| Jeff Musselman | 1988-2001 | 30 | 23 | .566 | 4.18 | 506 | 0 | 0 | 0 | 15 | 585.0 | 617 | 272 | 72 | 227 | 468 | 40.0 |
| Ron Musselman | 1985-1987 | 7 | 18 | .280 | 5.52 | 142 | 1 | 0 | 0 | 0 | 155.0 | 167 | 95 | 1 | 83 | 120 | 0.9 |
| Mike Mussina | 1992-2005 | 139 | 163 | .460 | 5.05 | 499 | 392 | 15 | 4 | 4 | 2521.3 | 2871 | 1416 | 381 | 776 | 1809 | 114.8 |
| Mike Myers | 2001-2002 | 4 | 3 | .571 | 4.57 | 44 | 0 | 0 | 0 | 4 | 45.3 | 39 | 23 | 4 | 20 | 49 | 4.8 |
| Randy Myers | 1988-2001 | 63 | 40 | .612 | 3.84 | 717 | 2 | 0 | 0 | 82 | 1050.3 | 949 | 448 | 96 | 526 | 1105 | 89.1 |
| Aaron Myette | 2001-2002 | 5 | 9 | .357 | 7.44 | 36 | 14 | 0 | 0 | 0 | 117.3 | 139 | 97 | 18 | 69 | 113 | 2.3 |
| Bob Myrick | 1977-1993 | 122 | 102 | .545 | 3.40 | 920 | 203 | 2 | 1 | 11 | 1894.6 | 1848 | 716 | 113 | 559 | 993 | 125.9 |
165 Players | |||||||||||||||||
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