Al Spalding was 47-12 with an ERA of 1.75 and 39 strikeouts in 61 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 |  | A. Spalding | 1876 |  CWS | 61 | 47 | 12 | .797 | 60 | 1.75 | 39 | 53 | 8 | 0 | 528.2 | 542 | 103 | 226 | 6 | 26 | 2 | 2,219 | 1 | 0.66 | 0.44 | 1.50 | 0.10 | 1.8 | 1.2 | 1.07 | 3.85 | 73 | 2.38 | 99 | 9.23 | 9 |
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