| Most Pitching Losses for a Winning Team | |||||
|---|---|---|---|---|---|
| Player | Team | Year | Age | L | Record |
| Justin Verlander | KC | 2022 | 39 | 15 | 91-71 |
| Zach Plesac | BOS | 2021 | 26 | 14 | 91-71 |
| Luis Severino | MIN | 2021 | 27 | 14 | 88-74 |
| Luis Severino | LAD | 2022 | 28 | 13 | 105-57 |
| Drew Rasmussen | SD | 2022 | 26 | 13 | 84-78 |
| Brandon Woodruff | CHC | 2022 | 29 | 13 | 84-78 |
| Tyler Mahle | COL | 2022 | 27 | 13 | 84-78 |
| Shohei Ohtani | CHC | 2021 | 26 | 13 | 82-80 |
| Brad Keller | WSH | 2021 | 25 | 13 | 82-80 |
| Ian Anderson | CIN | 2022 | 24 | 12 | 98-64 |
| Blake Snell | SF | 2021 | 28 | 12 | 98-64 |
| German Marquez | SEA | 2021 | 26 | 12 | 92-71 |
| Zach Eflin | SEA | 2021 | 27 | 12 | 92-71 |
| Wade Miley | BOS | 2021 | 34 | 12 | 91-71 |
| Chris Bassitt | OAK | 2021 | 32 | 12 | 91-72 |
| Adrian Houser | OAK | 2021 | 28 | 12 | 91-72 |
| Shane Bieber | MIA | 2021 | 26 | 12 | 91-71 |
| Corey Kluber | KC | 2022 | 36 | 12 | 91-71 |
| Miles Mikolas | NYY | 2022 | 33 | 12 | 90-72 |
| Jordan Montgomery | MIN | 2021 | 28 | 12 | 88-74 |