Jack Chesbro has pitched the most innings by a starting pitcher in a season, with 444 innings in 1904.
| NAME | IP | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Chesbro | 444.0 | 1904 | 51 | 38 | 12 | .760 | 51 | 1.82 | 232 | 48 | 6 | 0 | 328 | 90 | 122 | 4 | 85 | 7 | 0 | 8 | 4.70 | 1.72 | 2.73 | 0.08 | 5.1 | 0.93 | .240 | 2.47 | 6.65 | ||||
| 2 | | E. Walsh | 426.1 | 1908 | 49 | 35 | 14 | .714 | 49 | 236 | 42 | 11 | 0 | 315 | 93 | 1 | 55 | 11 | 0 | 1,634 | 10 | 4.98 | 1.16 | 4.29 | 0.02 | 14.4 | 3.4 | 0.87 | .236 | 1.96 | 6.65 | ||||
| 3 | | J. McGinnity | 420.1 | 1903 | 48 | 29 | 18 | .617 | 48 | 162 | 44 | 3 | 0 | 377 | 154 | 4 | 107 | 14 | 0 | 1,729 | 5 | 3.47 | 2.29 | 1.51 | 0.09 | 9.4 | 6.2 | 1.15 | .259 | 3.30 | 8.07 | ||||
| 4 | | V. Willis | 404.2 | 1902 | 46 | 26 | 19 | .578 | 46 | 2.20 | 227 | 45 | 4 | 0 | 368 | 99 | 139 | 6 | 101 | 13 | 0 | 13 | 5.05 | 2.25 | 2.25 | 0.13 | 6.2 | 1.16 | .284 | 3.09 | 8.18 | ||||
| 5 | | J. McGinnity | 393.1 | 1904 | 44 | 31 | 8 | .795 | 44 | 139 | 38 | 9 | 0 | 292 | 98 | 8 | 86 | 13 | 0 | 1,553 | 2 | 3.18 | 1.97 | 1.62 | 0.18 | 9.0 | 5.5 | 0.96 | .217 | 2.24 | 6.68 | ||||
| 6 | | G. Alexander | 388.1 | 1916 | 45 | 33 | 12 | .733 | 45 | 1.55 | 169 | 38 | 16 | 0 | 322 | 67 | 90 | 6 | 50 | 10 | 0 | 1,496 | 3 | 3.92 | 1.16 | 3.38 | 0.14 | 11.3 | 3.3 | 0.96 | .251 | 2.09 | 7.46 | ||
| 7 | | G. Alexander | 386.0 | 1917 | 44 | 30 | 13 | .698 | 44 | 1.84 | 199 | 35 | 8 | 0 | 336 | 79 | 107 | 4 | 56 | 6 | 0 | 1,526 | 2 | 4.64 | 1.31 | 3.55 | 0.09 | 13.0 | 3.7 | 1.02 | .263 | 2.49 | 7.83 | ||
| 8 | | R. Waddell | 383.0 | 1904 | 46 | 25 | 19 | .568 | 46 | 1.62 | 349 | 39 | 8 | 0 | 307 | 69 | 109 | 5 | 91 | 14 | 0 | 8 | 8.20 | 2.14 | 3.84 | 0.12 | 6.4 | 1.04 | .312 | 2.56 | 7.21 | ||||
| 9 | | G. Mullin | 381.1 | 1904 | 44 | 16 | 23 | .410 | 44 | 2.38 | 161 | 42 | 7 | 0 | 344 | 101 | 153 | 1 | 129 | 10 | 0 | 8 | 3.80 | 3.04 | 1.25 | 0.02 | 8.5 | 1.24 | .280 | 3.61 | 8.12 | ||||
| 10 | | J. Powell | 379.2 | 1904 | 45 | 22 | 19 | .537 | 45 | 2.42 | 200 | 38 | 3 | 0 | 331 | 102 | 149 | 14 | 94 | 10 | 0 | 12 | 4.74 | 2.23 | 2.13 | 0.33 | 6.9 | 1.12 | .305 | 3.53 | 7.85 | ||||
| 11 | | E. Walsh | 378.1 | 1907 | 46 | 24 | 17 | .585 | 46 | 191 | 37 | 5 | 0 | 314 | 116 | 3 | 83 | 8 | 0 | 11 | 4.54 | 1.97 | 2.30 | 0.07 | 6.4 | 1.05 | .308 | 2.76 | 7.47 | ||||||
| 12 | | W. Wood | 376.2 | 1972 | 49 | 24 | 17 | .585 | 49 | 2.51 | 193 | 20 | 8 | 0 | 325 | 105 | 119 | 28 | 74 | 7 | 0 | 5 | 1,490 | 11 | 4.61 | 1.77 | 2.61 | 0.67 | 13.0 | 5.0 | 1.06 | .250 | 2.84 | 7.77 | |
| 13 | | M. Lolich | 376.0 | 1971 | 45 | 25 | 14 | .641 | 45 | 2.92 | 308 | 29 | 4 | 0 | 336 | 122 | 133 | 36 | 92 | 7 | 0 | 2 | 1,538 | 7 | 7.37 | 2.20 | 3.35 | 0.86 | 20.0 | 6.0 | 1.14 | .274 | 3.18 | 8.04 | |
| 14 | | N. Hahn | 375.1 | 1901 | 42 | 22 | 19 | .537 | 42 | 2.71 | 238 | 41 | 2 | 0 | 370 | 113 | 159 | 12 | 70 | 8 | 0 | 10 | 5.71 | 1.68 | 3.40 | 0.29 | 4.5 | 1.17 | .292 | 3.81 | 8.87 | ||||
| 15 |  | C. Young | 374.2 | 1902 | 43 | 32 | 11 | .744 | 43 | 2.04 | 161 | 41 | 3 | 0 | 338 | 85 | 129 | 4 | 52 | 10 | 0 | 3 | 3.87 | 1.25 | 3.10 | 0.10 | 3.5 | 1.04 | .269 | 3.10 | 8.12 | ||||
| 16 | | I. Young | 373.1 | 1905 | 42 | 20 | 21 | .488 | 42 | 157 | 41 | 7 | 0 | 333 | 144 | 6 | 70 | 9 | 0 | 1,463 | 5 | 3.78 | 1.69 | 2.24 | 0.14 | 10.7 | 4.8 | 1.08 | .268 | 3.47 | 8.03 | ||||
| 17 | | B. Dinneen | 371.1 | 1902 | 42 | 21 | 21 | .500 | 42 | 2.93 | 142 | 39 | 2 | 0 | 348 | 121 | 155 | 9 | 99 | 8 | 0 | 3 | 3.44 | 2.40 | 1.43 | 0.22 | 6.8 | 1.20 | .284 | 3.76 | 8.43 | ||||
| 18 | | G. Alexander | 369.0 | 1915 | 42 | 30 | 9 | .769 | 42 | 1.24 | 237 | 36 | 12 | 0 | 247 | 51 | 83 | 3 | 62 | 9 | 0 | 1,406 | 2 | 5.78 | 1.51 | 3.82 | 0.07 | 16.9 | 4.4 | 0.84 | .223 | 2.02 | 6.02 | ||
| 19 | | C. Falkenberg | 367.0 | 1914 | 43 | 25 | 16 | .610 | 43 | 2.18 | 229 | 33 | 9 | 0 | 317 | 89 | 123 | 5 | 84 | 6 | 0 | 8 | 5.62 | 2.06 | 2.73 | 0.12 | 7.0 | 1.09 | .355 | 3.02 | 7.77 | ||||
| 20 | | T. Pittinger | 365.1 | 1902 | 40 | 25 | 13 | .658 | 40 | 2.34 | 162 | 36 | 7 | 0 | 327 | 95 | 121 | 2 | 116 | 14 | 0 | 5 | 3.99 | 2.86 | 1.40 | 0.05 | 8.6 | 1.21 | .308 | 2.98 | 8.06 | ||||
| 21 | | C. Young | 365.0 | 1904 | 41 | 25 | 16 | .610 | 41 | 2.02 | 194 | 40 | 10 | 0 | 321 | 82 | 103 | 6 | 29 | 5 | 0 | 4 | 4.78 | 0.72 | 6.69 | 0.15 | 2.1 | 0.96 | .271 | 2.54 | 7.92 | ||||
| 22 | | D. Davenport | 364.2 | 1915 | 46 | 22 | 16 | .579 | 46 | 2.12 | 207 | 30 | 10 | 0 | 275 | 86 | 103 | 5 | 87 | 5 | 0 | 4 | 5.11 | 2.15 | 2.38 | 0.12 | 8.7 | 0.99 | .387 | 2.54 | 6.79 | ||||
| 23 | | C. Young | 364.2 | 1901 | 41 | 31 | 10 | .756 | 41 | 1.65 | 157 | 38 | 5 | 0 | 320 | 67 | 111 | 6 | 39 | 8 | 0 | 1 | 3.87 | 0.96 | 4.03 | 0.15 | 2.9 | 0.98 | .276 | 2.74 | 7.90 | ||||
| 24 | | C. Mathewson | 363.0 | 1908 | 44 | 32 | 10 | .762 | 44 | 238 | 34 | 11 | 0 | 267 | 80 | 5 | 36 | 2 | 0 | 1,380 | 2 | 5.90 | 0.89 | 6.61 | 0.12 | 17.2 | 2.6 | 0.83 | .238 | 1.98 | 6.62 | ||||
| 25 | | J. McGinnity | 363.0 | 1901 | 43 | 24 | 19 | .558 | 43 | 3.55 | 71 | 39 | 1 | 0 | 390 | 143 | 210 | 7 | 90 | 21 | 0 | 5 | 1.76 | 2.23 | 0.79 | 0.17 | 6.0 | 1.32 | .293 | 5.21 | 9.67 | ||||
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BALStatMuse has game-level data for innings pitched going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Mets
Pirates
Cardinals
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
Twins
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Rangers
Mariners
Athletics
Angels