John Harkins had a 12-32 record with an ERA of 3.68 and 192 strikeouts in 46 appearances in his rookie season 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 |  | J. Harkins | 1884 | CLE | 46 | 12 | 32 | .273 | 45 | 3.68 | 192 | 42 | 3 | 0 | 391.0 | 399 | 160 | 300 | 7 | 108 | 1 | 1,709 | 48 | 4.42 | 2.49 | 1.78 | 0.16 | 11.2 | 6.3 | 1.30 | 6.91 | 126 | 3.35 | 101 | 9.18 | -3.4 |
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