Bobby Mathews had a record of 21-34 with an ERA of 2.86 and 37 strikeouts in 56 appearances in his rookie season in 1876.
| NAME | 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 | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Mathews | 1876 |  NYM | 56 | 21 | 34 | .382 | 56 | 2.86 | 37 | 55 | 2 | 0 | 516.0 | 693 | 164 | 395 | 8 | 24 | 0 | 2,327 | 3 | 0.65 | 0.42 | 1.54 | 0.14 | 1.6 | 1.0 | 1.39 | 6.89 | 128 | 2.43 | 109 | 12.09 | -17.6 |
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