| POSITION | MONTH | ERA | G | W | L | W% | 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 | Pitcher | March | 3.95 | 3 | 0 | 3 | .000 | 3 | 14 | 0 | 0 | 0 | 13.2 | 20 | 6 | 10 | 2 | 5 | 1 | 0 | 0 | 66 | 0 | 9.22 | 3.29 | 2.80 | 1.32 | 21.2 | 7.6 | 1.83 | .409 | 6.59 | 13.17 |
| 2 | Pitcher | April | 3.95 | 26 | 4 | 7 | .364 | 26 | 116 | 0 | 0 | 0 | 136.2 | 110 | 60 | 64 | 8 | 72 | 9 | 0 | 0 | 587 | 3 | 7.64 | 4.74 | 1.61 | 0.53 | 19.8 | 12.3 | 1.33 | .267 | 4.21 | 7.24 |
| 3 | Pitcher | May | 4.83 | 28 | 4 | 10 | .286 | 28 | 121 | 0 | 0 | 0 | 151.0 | 137 | 81 | 84 | 19 | 51 | 7 | 0 | 0 | 638 | 1 | 7.21 | 3.04 | 2.37 | 1.13 | 19.0 | 8.0 | 1.25 | .268 | 5.01 | 8.17 |
| 4 | Pitcher | June | 4.52 | 24 | 11 | 4 | .733 | 24 | 121 | 0 | 0 | 0 | 127.1 | 123 | 64 | 67 | 17 | 53 | 12 | 0 | 0 | 552 | 2 | 8.55 | 3.75 | 2.28 | 1.20 | 21.9 | 9.6 | 1.38 | .304 | 4.74 | 8.69 |
| 5 | Pitcher | July | 3.75 | 27 | 10 | 7 | .588 | 27 | 133 | 0 | 0 | 0 | 151.1 | 126 | 63 | 64 | 27 | 57 | 13 | 0 | 0 | 635 | 6 | 7.91 | 3.39 | 2.33 | 1.61 | 20.9 | 9.0 | 1.21 | .244 | 3.81 | 7.49 |
| 6 | Pitcher | August | 3.83 | 28 | 11 | 8 | .579 | 28 | 148 | 1 | 1 | 0 | 159.2 | 151 | 68 | 74 | 19 | 52 | 9 | 0 | 0 | 675 | 5 | 8.34 | 2.93 | 2.85 | 1.07 | 21.9 | 7.7 | 1.27 | .295 | 4.17 | 8.51 |
| 7 | Pitcher | September | 2.71 | 26 | 10 | 6 | .625 | 26 | 154 | 0 | 0 | 0 | 153.0 | 113 | 46 | 50 | 11 | 45 | 3 | 0 | 0 | 604 | 10 | 9.06 | 2.65 | 3.42 | 0.65 | 25.5 | 7.5 | 1.03 | .261 | 2.94 | 6.65 |
StatMuse has game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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