Michael Wacha is 4-4 with an ERA of 5.21 and 47 strikeouts in 10 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 |  | M. Wacha | 2013 |  STL | 5 | 4 | 1 | .800 | 5 | 2.64 | 33 | 0 | 0 | 0 | 30.2 | 16 | 9 | 9 | 3 | 12 | 1 | 0 | 3 | 119 | 0 | 9.68 | 3.52 | 2.75 | 0.88 | 27.7 | 10.1 | 0.91 | .186 | 2.64 | 4.70 | ||||
| 2 | | M. Wacha | 2014 | STL | 1 | 0 | 1 | .000 | 0 | 81.00 | 0 | 0 | 0 | 0 | 0.1 | 2 | 3 | 3 | 1 | 1 | 0 | 1 | 0 | 4 | 0 | 0.00 | 27.00 | 0.00 | 27.00 | 0.0 | 25.0 | 9.00 | .500 | 81.00 | 54.00 | ||||
| 3 | | M. Wacha | 2015 | STL | 1 | 0 | 1 | .000 | 1 | 8.31 | 5 | 0 | 0 | 0 | 4.1 | 6 | 4 | 4 | 3 | 3 | 0 | 0 | 1 | 21 | 0 | 10.38 | 6.23 | 1.67 | 6.23 | 23.8 | 14.3 | 2.08 | .300 | 8.31 | 12.46 | ||||
| 4 |  | M. Wacha | 2021 |  TBR | 1 | 0 | 0 | 0 | 20.25 | 4 | 0 | 0 | 0 | 2.2 | 9 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | 16 | 1 | 13.50 | 0.00 | 3.38 | 25.0 | 0.0 | 3.38 | .727 | 20.25 | 30.38 | ||||||
| 5 |  | M. Wacha | 2024 |  KCR | 2 | 0 | 1 | .000 | 2 | 5.19 | 5 | 0 | 0 | 0 | 8.2 | 10 | 5 | 5 | 1 | 4 | 0 | 0 | 0 | 38 | 0 | 5.19 | 4.15 | 1.25 | 1.04 | 13.2 | 10.5 | 1.62 | .321 | 5.19 | 10.38 | ||||
| Total | 10 | 4 | 4 | .500 | 8 | 5.21 | 47 | 0 | 0 | 0 | 46.2 | 43 | 27 | 27 | 9 | 20 | 1 | 1 | 4 | 198 | 1 | 9.06 | 3.86 | 2.35 | 1.74 | 23.7 | 10.1 | 1.35 | .281 | 5.21 | 8.29 |
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