Roger McDowell was 1-1 with an ERA of 3.10 and 10 strikeouts in 11 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 |  | R. McDowell | 1986 |  NYM | 7 | 1 | 0 | 1.000 | 0 | 2.51 | 5 | 0 | 0 | 0 | 14.1 | 11 | 4 | 5 | 0 | 6 | 0 | 2 | 2 | 58 | 0 | 3.14 | 3.77 | 0.83 | 0.00 | 8.6 | 10.3 | 1.19 | .234 | 3.14 | 6.91 | ||||
| 2 | | R. McDowell | 1988 | NYM | 4 | 0 | 1 | .000 | 0 | 4.50 | 5 | 0 | 0 | 0 | 6.0 | 6 | 3 | 3 | 1 | 2 | 0 | 3 | 1 | 26 | 0 | 7.50 | 3.00 | 2.50 | 1.50 | 19.2 | 7.7 | 1.33 | .278 | 4.50 | 9.00 | ||||
| Total | 11 | 1 | 1 | .500 | 0 | 3.10 | 10 | 0 | 0 | 0 | 20.1 | 17 | 7 | 8 | 1 | 8 | 0 | 5 | 3 | 84 | 0 | 4.43 | 3.54 | 1.25 | 0.44 | 11.9 | 9.5 | 1.23 | .246 | 3.54 | 7.52 |
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