Mitch Keller has a record of 4-4 with an ERA of 3.27 and 84 strikeouts in 17 appearances against the Cardinals 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. Keller | 7/26/2020 |  PIT | @ |  STL | W | 1 | 1.80 | 2 | 0 | 0 | 0 | 5.0 | 2 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 18 | 1 |
| 2 | | M. Keller | 9/19/2020 | PIT | vs | STL | 1 | 0.00 | 6 | 0 | 0 | 0 | 6.0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 21 | 0 | |
| 3 | | M. Keller | 8/20/2021 | PIT | @ | STL | W | 1 | 0.00 | 6 | 0 | 0 | 0 | 5.0 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 0 |
| 4 | | M. Keller | 8/26/2021 | PIT | vs | STL | 1 | 11.81 | 2 | 0 | 0 | 0 | 5.1 | 6 | 7 | 7 | 2 | 3 | 1 | 0 | 0 | 25 | 0 | |
| 5 | | M. Keller | 4/9/2022 | PIT | @ | STL | L | 1 | 9.00 | 4 | 0 | 0 | 0 | 4.0 | 6 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 20 | 0 |
| 6 | | M. Keller | 6/13/2022 | PIT | @ | STL | 1 | 3.38 | 2 | 0 | 0 | 0 | 5.1 | 7 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 23 | 0 | |
| 7 | | M. Keller | 9/11/2022 | PIT | vs | STL | 1 | 0.00 | 6 | 0 | 0 | 0 | 7.0 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 24 | 0 | |
| 8 | | M. Keller | 10/3/2022 | PIT | vs | STL | 1 | 3.60 | 5 | 0 | 0 | 0 | 5.0 | 6 | 2 | 2 | 1 | 2 | 1 | 0 | 0 | 24 | 0 | |
| 9 | | M. Keller | 4/16/2023 | PIT | @ | STL | 1 | 4.50 | 3 | 0 | 0 | 0 | 6.0 | 7 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 26 | 0 | |
| 10 | | M. Keller | 9/1/2023 | PIT | @ | STL | 1 | 1.50 | 8 | 0 | 0 | 0 | 6.0 | 5 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 26 | 0 | |
| 11 | | M. Keller | 6/13/2024 | PIT | @ | STL | L | 1 | 6.00 | 4 | 0 | 0 | 0 | 6.0 | 8 | 4 | 4 | 2 | 0 | 2 | 0 | 0 | 28 | 0 |
| 12 | | M. Keller | 7/2/2024 | PIT | vs | STL | L | 1 | 9.00 | 5 | 0 | 0 | 0 | 5.0 | 9 | 5 | 6 | 2 | 0 | 1 | 0 | 0 | 25 | 0 |
| 13 | | M. Keller | 7/22/2024 | PIT | vs | STL | 1 | 1.29 | 3 | 0 | 0 | 0 | 7.0 | 6 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 28 | 0 | |
| 14 | | M. Keller | 4/9/2025 | PIT | vs | STL | 1 | 0.00 | 6 | 0 | 0 | 0 | 7.1 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 27 | 0 | |
| 15 | | M. Keller | 5/7/2025 | PIT | @ | STL | L | 1 | 4.50 | 6 | 0 | 0 | 0 | 6.0 | 7 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 26 | 0 |
| 16 | | M. Keller | 7/2/2025 | PIT | vs | STL | W | 1 | 0.00 | 7 | 0 | 0 | 0 | 7.0 | 5 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 28 | 0 |
| 17 | | M. Keller | 8/26/2025 | PIT | @ | STL | W | 1 | 4.50 | 9 | 0 | 0 | 0 | 6.0 | 3 | 3 | 3 | 1 | 1 | 2 | 0 | 0 | 23 | 0 |
| Total | 17 | 3.27 | 84 | 0 | 0 | 0 | 99.0 | 89 | 36 | 37 | 12 | 30 | 9 | 0 | 0 | 413 | 1 |
Some of the information used here was obtained free of charge from Retrosheet.
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