Old Hoss Radbourn had a 59-12 record with an ERA of 1.38, 441 strikeouts and 2 saves in 75 appearances in 1884.
| 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 |  | O. Hoss Radbourn | 1884 | PRO | 75 | 59 | 12 | .831 | 73 | 1.38 | 441 | 73 | 11 | 2 | 678.2 | 528 | 104 | 216 | 18 | 98 | 2 | 2,672 | 34 | 5.85 | 1.30 | 4.50 | 0.24 | 16.5 | 3.7 | 0.92 | 2.86 | 48 | 2.75 | 84 | 7.00 | 31.9 |
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