Michael Wacha is 4-2 with an ERA of 3.14 and 48 strikeouts in 11 appearances against the Royals 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 | 5/30/2013 |  STL | vs |  KCR | 1 | 1.29 | 6 | 0 | 0 | 0 | 7.0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | |
| 2 | | M. Wacha | 6/5/2014 | STL | @ | KCR | L | 1 | 4.50 | 1 | 0 | 0 | 0 | 6.0 | 7 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 25 | 0 |
| 3 | | M. Wacha | 5/24/2015 | STL | @ | KCR | W | 1 | 0.00 | 4 | 0 | 0 | 0 | 7.0 | 5 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 27 | 0 |
| 4 | | M. Wacha | 6/28/2016 | STL | @ | KCR | W | 1 | 4.50 | 4 | 0 | 0 | 0 | 6.0 | 9 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 28 | 1 |
| 5 | | M. Wacha | 8/8/2017 | STL | @ | KCR | W | 1 | 4.50 | 5 | 0 | 0 | 0 | 6.0 | 6 | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 25 | 0 |
| 6 | | M. Wacha | 5/23/2018 | STL | vs | KCR | 1 | 1.35 | 6 | 0 | 0 | 0 | 6.2 | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 24 | 0 | |
| 7 | | M. Wacha | 5/22/2019 | STL | vs | KCR | L | 1 | 11.57 | 4 | 0 | 0 | 0 | 4.2 | 7 | 6 | 7 | 1 | 3 | 0 | 0 | 1 | 23 | 0 |
| 8 |  | M. Wacha | 4/21/2021 |  TBR | @ | KCR | 1 | 4.76 | 1 | 0 | 0 | 0 | 5.2 | 5 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 22 | 0 | |
| 9 | | M. Wacha | 5/27/2021 | TBR | vs | KCR | 0 | 6.00 | 2 | 0 | 0 | 0 | 3.0 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 12 | 0 | |
| 10 |  | M. Wacha | 9/16/2022 |  BOS | vs | KCR | 1 | 1.29 | 4 | 0 | 0 | 0 | 7.0 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 26 | 1 | |
| 11 |  | M. Wacha | 5/15/2023 |  SDP | vs | KCR | W | 1 | 0.00 | 11 | 0 | 0 | 0 | 7.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 24 | 0 |
| Total | 10 | 3.14 | 48 | 0 | 0 | 0 | 66.0 | 57 | 23 | 27 | 5 | 11 | 1 | 0 | 1 | 259 | 2 |
Some of the information used here was obtained free of charge from Retrosheet.
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