| NAME | QS | SEASON | TM | G | W | L | W% | GS | ERA | 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 |  | N. Eovaldi | 13 | 2021 |  BOS | 32 | 11 | 9 | .550 | 32 | 3.75 | 195 | 0 | 0 | 0 | 182.1 | 182 | 76 | 81 | 15 | 35 | 7 | 0 | 2 | 764 | 6 | 9.63 | 1.73 | 5.57 | 0.74 | 25.5 | 4.6 | 1.19 | .326 | 4.00 | 8.98 |
| 2 |  | T. Houck | 0 | 2021 | BOS | 13 | 0 | 4 | .000 | 13 | 3.68 | 73 | 0 | 0 | 0 | 58.2 | 51 | 24 | 28 | 4 | 15 | 6 | 0 | 1 | 243 | 3 | 11.20 | 2.30 | 4.87 | 0.61 | 30.0 | 6.2 | 1.13 | .324 | 4.30 | 7.82 |
| 3 | | B. Peacock | 0 | 2021 | BOS | 1 | 0 | 1 | .000 | 1 | 19.29 | 0 | 0 | 0 | 0 | 2.1 | 2 | 5 | 5 | 1 | 2 | 1 | 0 | 0 | 12 | 0 | 0.00 | 7.71 | 0.00 | 3.86 | 0.0 | 16.7 | 1.71 | .125 | 19.29 | 7.71 |
| 4 | | M. Pérez | 4 | 2021 | BOS | 22 | 7 | 8 | .467 | 22 | 4.77 | 85 | 0 | 0 | 0 | 100.0 | 119 | 53 | 59 | 17 | 33 | 8 | 0 | 1 | 445 | 1 | 7.65 | 2.97 | 2.58 | 1.53 | 19.1 | 7.4 | 1.52 | .338 | 5.31 | 10.71 |
| 5 | | N. Pivetta | 8 | 2021 | BOS | 30 | 9 | 8 | .529 | 30 | 4.56 | 174 | 0 | 0 | 0 | 154.0 | 137 | 78 | 80 | 24 | 65 | 5 | 0 | 2 | 658 | 9 | 10.17 | 3.80 | 2.68 | 1.40 | 26.4 | 9.9 | 1.31 | .290 | 4.68 | 8.01 |
| 6 | | G. Richards | 4 | 2021 | BOS | 22 | 6 | 7 | .462 | 22 | 5.22 | 87 | 0 | 0 | 0 | 110.1 | 134 | 64 | 70 | 18 | 48 | 5 | 0 | 0 | 504 | 5 | 7.10 | 3.92 | 1.81 | 1.47 | 17.3 | 9.5 | 1.65 | .335 | 5.71 | 10.93 |
| 7 | | E. Rodriguez | 9 | 2021 | BOS | 31 | 12 | 8 | .600 | 31 | 4.77 | 184 | 0 | 0 | 0 | 156.2 | 172 | 83 | 87 | 19 | 47 | 2 | 0 | 0 | 672 | 0 | 10.57 | 2.70 | 3.91 | 1.09 | 27.4 | 7.0 | 1.40 | .364 | 5.00 | 9.88 |
| 8 |  | C. Sale | 1 | 2021 | BOS | 9 | 5 | 1 | .833 | 9 | 3.16 | 52 | 0 | 0 | 0 | 42.2 | 45 | 15 | 19 | 6 | 12 | 4 | 0 | 1 | 183 | 0 | 10.97 | 2.53 | 4.33 | 1.27 | 28.4 | 6.6 | 1.34 | .358 | 4.01 | 9.49 |
| 9 | | C. Seabold | 0 | 2021 | BOS | 1 | 0 | 0 | 1 | 6.00 | 0 | 0 | 0 | 0 | 3.0 | 3 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 12 | 0 | 0.00 | 6.00 | 0.00 | 3.00 | 0.0 | 16.7 | 1.67 | .222 | 6.00 | 9.00 | |
| 10 | | K. Crawford | 0 | 2021 | BOS | 1 | 0 | 1 | .000 | 1 | 22.50 | 2 | 0 | 0 | 0 | 2.0 | 5 | 5 | 5 | 1 | 2 | 0 | 0 | 0 | 13 | 0 | 9.00 | 9.00 | 1.00 | 4.50 | 15.4 | 15.4 | 3.50 | .500 | 22.50 | 22.50 |
StatMuse has game-level data for quality starts going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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