| NAME | DATE | L | TM | OPP | DEC | W | L% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Pérez | 9/17/2025 | 1 |  CWS | vs |  BAL | L | 0 | 1.000 | 1 | 7.36 | 2 | 0 | 0 | 0 | 3.2 | 5 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 18 | 0 |
| 2 | | M. Pérez | 9/12/2025 | 1 | CWS | @ |  CLE | L | 0 | 1.000 | 1 | 4.05 | 3 | 0 | 0 | 0 | 6.2 | 4 | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 24 | 0 |
| 3 | | M. Pérez | 9/6/2025 | 1 | CWS | @ |  DET | L | 0 | 1.000 | 1 | 13.50 | 0 | 0 | 0 | 0 | 4.0 | 5 | 6 | 6 | 2 | 3 | 0 | 0 | 0 | 21 | 0 |
| 4 | | M. Pérez | 8/20/2025 | 1 | CWS | @ |  ATL | L | 0 | 1.000 | 1 | 0.00 | 5 | 0 | 0 | 0 | 5.1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 20 | 0 |
| 5 | | M. Pérez | 8/13/2025 | 1 | CWS | vs | DET | L | 0 | 1.000 | 0 | 2.70 | 4 | 0 | 0 | 0 | 3.1 | 3 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 15 | 0 |
| 6 | | M. Pérez | 4/18/2025 | 1 | CWS | @ |  BOS | L | 0 | 1.000 | 1 | 12.00 | 0 | 0 | 0 | 0 | 3.0 | 5 | 4 | 4 | 1 | 2 | 0 | 0 | 0 | 16 | 0 |
| 7 | | M. Pérez | 9/29/2024 | 1 |  SDP | @ |  ARI | L | 0 | 1.000 | 1 | 14.73 | 3 | 0 | 0 | 0 | 3.2 | 8 | 6 | 6 | 1 | 2 | 0 | 0 | 0 | 20 | 0 |
| 8 | | M. Pérez | 7/10/2024 | 1 |  PIT | @ |  MIL | L | 0 | 1.000 | 1 | 9.64 | 5 | 0 | 0 | 0 | 4.2 | 9 | 5 | 5 | 1 | 3 | 0 | 0 | 0 | 25 | 0 |
| 9 | | M. Pérez | 6/28/2024 | 1 | PIT | @ | ATL | L | 0 | 1.000 | 1 | 13.50 | 4 | 0 | 0 | 0 | 4.0 | 8 | 6 | 6 | 1 | 2 | 0 | 0 | 0 | 21 | 0 |
| 10 | | M. Pérez | 5/15/2024 | 1 | PIT | @ | MIL | L | 0 | 1.000 | 1 | 16.20 | 4 | 0 | 0 | 0 | 5.0 | 11 | 9 | 9 | 5 | 1 | 0 | 0 | 0 | 26 | 0 |
| 11 | | M. Pérez | 5/3/2024 | 1 | PIT | vs |  COL | L | 0 | 1.000 | 1 | 5.06 | 4 | 0 | 0 | 0 | 5.1 | 8 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 24 | 0 |
| 12 | | M. Pérez | 4/21/2024 | 1 | PIT | vs | BOS | L | 0 | 1.000 | 1 | 9.00 | 7 | 0 | 0 | 0 | 4.0 | 6 | 4 | 4 | 0 | 4 | 1 | 0 | 0 | 23 | 1 |
| 13 | | M. Pérez | 7/29/2023 | 1 |  TEX | @ | SDP | L | 0 | 1.000 | 1 | 6.35 | 1 | 0 | 0 | 0 | 5.2 | 9 | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 27 | 0 |
| 14 | | M. Pérez | 6/16/2023 | 1 | TEX | vs |  TOR | L | 0 | 1.000 | 1 | 3.00 | 3 | 0 | 0 | 0 | 6.0 | 3 | 2 | 2 | 1 | 2 | 0 | 0 | 0 | 23 | 0 |
| 15 | | M. Pérez | 6/11/2023 | 1 | TEX | @ |  TBR | L | 0 | 1.000 | 1 | 18.90 | 2 | 0 | 0 | 0 | 3.1 | 10 | 7 | 7 | 1 | 3 | 0 | 0 | 0 | 21 | 0 |
| 16 | | M. Pérez | 4/8/2023 | 1 | TEX | @ |  CHC | L | 0 | 1.000 | 1 | 3.60 | 5 | 0 | 0 | 0 | 5.0 | 5 | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 20 | 0 |
| 17 | | M. Pérez | 10/3/2022 | 1 | TEX | vs |  NYY | L | 0 | 1.000 | 1 | 1.50 | 2 | 0 | 0 | 0 | 6.0 | 5 | 1 | 1 | 0 | 5 | 0 | 0 | 0 | 23 | 0 |
| 18 | | M. Pérez | 9/28/2022 | 1 | TEX | @ |  SEA | L | 0 | 1.000 | 1 | 3.86 | 3 | 0 | 0 | 0 | 7.0 | 5 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 28 | 0 |
| 19 | | M. Pérez | 9/5/2022 | 1 | TEX | @ |  HOU | L | 0 | 1.000 | 1 | 1.29 | 5 | 0 | 0 | 0 | 7.0 | 6 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 27 | 0 |
| 20 | | M. Pérez | 8/31/2022 | 1 | TEX | vs | HOU | L | 0 | 1.000 | 1 | 9.00 | 5 | 0 | 0 | 0 | 5.0 | 9 | 5 | 5 | 0 | 4 | 0 | 0 | 0 | 28 | 0 |
Results may be incomplete. StatMuse has complete game-level data for pitcher losses going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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