Michael Wacha is 2-1 with an ERA of 4.70 and 38 strikeouts in 9 appearances against the Diamondbacks in his career.
| NAME | DATE | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Wacha | 6/4/2013 |  STL | vs |  ARI | 1 | 11.57 | 4 | 0 | 0 | 0 | 4.2 | 10 | 6 | 6 | 1 | 1 | 0 | 0 | 0 | 25 | 0 | |
| 2 | | M. Wacha | 5/21/2014 | STL | vs | ARI | 1 | 0.00 | 4 | 0 | 0 | 0 | 6.0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 22 | 0 | |
| 3 | | M. Wacha | 9/26/2014 | STL | @ | ARI | 1 | 3.60 | 4 | 0 | 0 | 0 | 5.0 | 5 | 2 | 2 | 0 | 3 | 0 | 0 | 0 | 22 | 0 | |
| 4 | | M. Wacha | 4/28/2016 | STL | @ | ARI | L | 1 | 3.86 | 9 | 0 | 0 | 0 | 7.0 | 5 | 3 | 3 | 2 | 2 | 0 | 0 | 1 | 27 | 1 |
| 5 | | M. Wacha | 7/28/2017 | STL | vs | ARI | W | 1 | 0.00 | 5 | 0 | 0 | 0 | 6.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 0 |
| 6 | | M. Wacha | 4/7/2018 | STL | vs | ARI | W | 1 | 3.60 | 5 | 0 | 0 | 0 | 5.0 | 4 | 2 | 2 | 0 | 5 | 0 | 0 | 0 | 23 | 0 |
| 7 | | M. Wacha | 9/25/2019 | STL | @ | ARI | 1 | 10.80 | 3 | 0 | 0 | 0 | 1.2 | 4 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 11 | 0 | |
| 8 |  | M. Wacha | 4/20/2023 |  SDP | @ | ARI | 1 | 11.25 | 3 | 0 | 0 | 0 | 4.0 | 10 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 23 | 2 | |
| 9 |  | M. Wacha | 7/24/2024 |  KCR | vs |  ARI | 1 | 5.79 | 1 | 0 | 0 | 0 | 4.2 | 6 | 3 | 3 | 3 | 1 | 0 | 0 | 1 | 20 | 0 | |
| Total | 9 | 4.70 | 38 | 0 | 0 | 0 | 44.0 | 49 | 23 | 23 | 6 | 19 | 0 | 0 | 2 | 194 | 3 |
Some of the information used here was obtained free of charge from Retrosheet.
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