Cy Young has the worst ERA by a starting pitcher with 30+ pitcher wins in a season, with an ERA of 2.04 in 1902.
| NAME | ERA | W | SEASON | TM | L | W% | G | GS | SO | CG | SHO | SV | IP | 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 |  | C. Young | 2.04 | 32 | 1902 |  BSA | 11 | .744 | 43 | 43 | 161 | 41 | 3 | 0 | 374.2 | 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 | |||
| 2 |  | D. McLain | 1.96 | 31 | 1968 |  DET | 6 | .838 | 41 | 41 | 280 | 28 | 6 | 0 | 336.0 | 241 | 73 | 86 | 31 | 63 | 6 | 0 | 2 | 1,288 | 3 | 7.50 | 1.69 | 4.44 | 0.83 | 21.7 | 4.9 | 0.90 | .231 | 2.30 | 6.46 |
| 3 |  | G. Alexander | 1.84 | 30 | 1917 |  PHN | 13 | .698 | 44 | 44 | 199 | 35 | 8 | 0 | 386.0 | 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 | |
| 4 |  | J. Chesbro | 1.82 | 38 | 1904 |  NYH | 12 | .760 | 51 | 51 | 232 | 48 | 6 | 0 | 444.0 | 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 | |||
| 5 | | C. Young | 1.65 | 31 | 1901 | BSA | 10 | .756 | 41 | 41 | 157 | 38 | 5 | 0 | 364.2 | 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 | |||
| 6 | | G. Alexander | 1.55 | 33 | 1916 | PHN | 12 | .733 | 45 | 45 | 169 | 38 | 16 | 0 | 388.1 | 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 | 1.24 | 30 | 1915 | PHN | 9 | .769 | 42 | 42 | 237 | 36 | 12 | 0 | 369.0 | 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 | |
| 8 |  | J. Wood | 0.27 | 33 | 1912 |  BSA | 5 | .868 | 38 | 38 | 249 | 35 | 10 | 0 | 334.1 | 258 | 98 | 2 | 81 | 12 | 0 | 1,323 | 7 | 6.70 | 2.18 | 3.07 | 0.05 | 18.8 | 6.1 | 1.01 | .261 | 2.64 | 6.95 |
StatMuse has game-level data for ERA and pitcher wins going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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