Walter Johnson had a 3-3 record with an ERA of 2.16 and 35 strikeouts in 6 appearances in the postseason in his career.
| 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 |  | W. Johnson | 1924 |  WSH | 3 | 1 | 2 | .333 | 2 | 2.25 | 20 | 2 | 0 | 0 | 24.0 | 30 | 6 | 10 | 3 | 11 | 1 | 1 | 3 | 106 | 1 | 7.50 | 4.13 | 1.82 | 1.13 | 18.9 | 10.4 | 1.71 | .380 | 3.75 | 11.25 | ||||
| 2 | | W. Johnson | 1925 | WSH | 3 | 2 | 1 | .667 | 3 | 2.08 | 15 | 3 | 1 | 0 | 26.0 | 26 | 6 | 10 | 1 | 4 | 2 | 0 | 0 | 106 | 0 | 5.19 | 1.38 | 3.75 | 0.35 | 14.2 | 3.8 | 1.15 | .298 | 3.46 | 9.00 | ||||
| Total | 6 | 3 | 3 | .500 | 5 | 2.16 | 35 | 5 | 1 | 0 | 50.0 | 56 | 12 | 20 | 4 | 15 | 3 | 1 | 3 | 212 | 1 | 6.30 | 2.70 | 2.33 | 0.72 | 16.5 | 7.1 | 1.42 | .335 | 3.60 | 10.08 |
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