Mitch Keller had a record of 9-4 with an ERA of 3.31 and 129 strikeouts in 19 appearances between March 27, 2023 and July 17, 2023.
| 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 | 3/30/2023 |  PIT | @ |  CIN | 1 | 7.71 | 8 | 0 | 0 | 0 | 4.2 | 5 | 4 | 4 | 1 | 4 | 0 | 0 | 0 | 23 | 0 | |
| 2 | | M. Keller | 4/5/2023 | PIT | @ |  BOS | W | 1 | 1.29 | 7 | 0 | 0 | 0 | 7.0 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 26 | 0 |
| 3 | | M. Keller | 4/11/2023 | PIT | vs |  HOU | 1 | 3.00 | 7 | 0 | 0 | 0 | 6.0 | 6 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 26 | 0 | |
| 4 | | 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 | |
| 5 | | M. Keller | 4/21/2023 | PIT | vs | CIN | W | 1 | 3.00 | 5 | 0 | 0 | 0 | 6.0 | 4 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 24 | 0 |
| 6 | | M. Keller | 4/27/2023 | PIT | vs |  LAD | W | 1 | 3.00 | 10 | 0 | 0 | 0 | 6.0 | 5 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 24 | 0 |
| 7 | | M. Keller | 5/3/2023 | PIT | @ |  TBR | L | 1 | 1.80 | 8 | 0 | 0 | 0 | 5.0 | 5 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 23 | 0 |
| 8 | | M. Keller | 5/8/2023 | PIT | vs |  COL | W | 1 | 0.00 | 8 | 1 | 1 | 0 | 9.0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 31 | 0 |
| 9 | | M. Keller | 5/14/2023 | PIT | @ |  BAL | W | 1 | 0.00 | 13 | 0 | 0 | 0 | 7.0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 26 | 0 |
| 10 | | M. Keller | 5/20/2023 | PIT | vs |  ARI | 1 | 3.00 | 8 | 0 | 0 | 0 | 6.0 | 3 | 2 | 2 | 1 | 0 | 1 | 0 | 0 | 22 | 0 | |
| 11 | | M. Keller | 5/26/2023 | PIT | @ |  SEA | W | 1 | 9.00 | 8 | 0 | 0 | 0 | 6.0 | 7 | 6 | 6 | 2 | 2 | 1 | 0 | 0 | 28 | 0 |
| 12 | | M. Keller | 5/31/2023 | PIT | @ |  SFG | W | 1 | 6.00 | 8 | 0 | 0 | 0 | 6.0 | 10 | 4 | 4 | 0 | 1 | 0 | 0 | 0 | 27 | 2 |
| 13 | | M. Keller | 6/6/2023 | PIT | vs |  OAK | L | 1 | 8.44 | 1 | 0 | 0 | 0 | 5.1 | 8 | 5 | 5 | 1 | 4 | 0 | 0 | 0 | 26 | 0 |
| 14 | | M. Keller | 6/11/2023 | PIT | vs |  NYM | W | 1 | 1.29 | 7 | 0 | 0 | 0 | 7.0 | 2 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 26 | 0 |
| 15 | | M. Keller | 6/17/2023 | PIT | @ |  MIL | L | 1 | 7.20 | 7 | 0 | 0 | 0 | 5.0 | 5 | 4 | 4 | 1 | 3 | 1 | 0 | 0 | 24 | 0 |
| 16 | | M. Keller | 6/22/2023 | PIT | @ |  MIA | 1 | 1.29 | 5 | 0 | 0 | 0 | 7.0 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | |
| 17 | | M. Keller | 6/28/2023 | PIT | vs |  SDP | W | 1 | 1.50 | 5 | 0 | 0 | 0 | 6.0 | 4 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 24 | 1 |
| 18 | | M. Keller | 7/3/2023 | PIT | @ | LAD | L | 1 | 7.20 | 7 | 0 | 0 | 0 | 5.0 | 8 | 4 | 5 | 1 | 1 | 1 | 0 | 0 | 26 | 0 |
| 19 | | M. Keller | 7/8/2023 | PIT | @ | ARI | 1 | 0.00 | 4 | 0 | 0 | 0 | 7.0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 26 | 0 | |
| Total | 19 | 3.31 | 129 | 1 | 1 | 0 | 117.0 | 97 | 43 | 48 | 11 | 34 | 7 | 0 | 0 | 484 | 3 |
Some of the information used here was obtained free of charge from Retrosheet.
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