Michael Wacha has a record of 3-3 with an ERA of 5.22 and 45 strikeouts in 13 appearances against the Orioles 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 | 9/2/2020 |  NYM | @ |  BAL | 1 | 6.00 | 2 | 0 | 0 | 0 | 3.0 | 4 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 15 | 1 | |
| 2 | | M. Wacha | 9/8/2020 | NYM | vs | BAL | L | 1 | 9.00 | 3 | 0 | 0 | 0 | 4.0 | 7 | 4 | 5 | 2 | 0 | 0 | 0 | 0 | 20 | 0 |
| 3 | | M. Wacha | 6/13/2021 |  TBR | vs | BAL | 1 | 4.50 | 0 | 0 | 0 | 0 | 2.0 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 8 | 0 | |
| 4 | | M. Wacha | 7/21/2021 | TBR | vs | BAL | 1 | 5.40 | 2 | 0 | 0 | 0 | 5.0 | 6 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 19 | 0 | |
| 5 | | M. Wacha | 8/8/2021 | TBR | @ | BAL | 1 | 9.00 | 2 | 0 | 0 | 0 | 5.0 | 10 | 5 | 5 | 2 | 1 | 1 | 0 | 0 | 25 | 0 | |
| 6 | | M. Wacha | 8/28/2021 | TBR | @ | BAL | 1 | 2.08 | 6 | 0 | 0 | 0 | 4.1 | 3 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 18 | 0 | |
| 7 | | M. Wacha | 8/20/2022 |  BOS | @ | BAL | W | 1 | 0.00 | 4 | 0 | 0 | 0 | 5.2 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 0 |
| 8 | | M. Wacha | 9/10/2022 | BOS | @ | BAL | W | 1 | 4.50 | 5 | 0 | 0 | 0 | 6.0 | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 24 | 0 |
| 9 | | M. Wacha | 9/27/2022 | BOS | vs | BAL | 1 | 16.20 | 3 | 0 | 0 | 0 | 3.1 | 8 | 6 | 6 | 3 | 0 | 0 | 0 | 0 | 18 | 1 | |
| 10 | | M. Wacha | 8/15/2023 |  SDP | vs | BAL | W | 1 | 0.00 | 5 | 0 | 0 | 0 | 5.0 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 20 | 0 |
| 11 | | M. Wacha | 4/1/2024 |  KCR | @ | BAL | 1 | 5.40 | 5 | 0 | 0 | 0 | 5.0 | 3 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 19 | 0 | |
| 12 | | M. Wacha | 4/5/2025 | KCR | vs | BAL | L | 1 | 6.35 | 5 | 0 | 0 | 0 | 5.2 | 6 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 23 | 0 |
| 13 | | M. Wacha | 5/2/2025 | KCR | @ | BAL | L | 1 | 4.26 | 3 | 0 | 0 | 0 | 6.1 | 7 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 25 | 0 |
| Total | 13 | 5.22 | 45 | 0 | 0 | 0 | 60.1 | 69 | 35 | 36 | 12 | 10 | 4 | 0 | 0 | 255 | 2 |
Some of the information used here was obtained free of charge from Retrosheet.
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