| Most Pitching Losses for a Winning Team | |||||
|---|---|---|---|---|---|
| Player | Team | Year | Age | L | Record |
| Raúl Areola | CHG | 2022 | 23 | 14 | 66-42 |
| Kent Hubbard | CHH | 2017 | 32 | 14 | 56-52 |
| Iiri Lahti | BOS | 2054 | 26 | 13 | 61-47 |
| Roderick Rhodes | JAC | 2018 | 25 | 13 | 61-47 |
| Darryl Gordon | LOU | 2017 | 25 | 13 | 61-47 |
| Santiago Alonza | PHX | 2028 | 24 | 13 | 60-48 |
| Bartolomeu Lio | FTW | 2026 | 28 | 13 | 59-49 |
| Lorenzo Fabián | NA | 2031 | 27 | 13 | 58-50 |
| Janghyun Han | VAN | 2054 | 31 | 13 | 58-50 |
| Armando Marrero | THB | 2032 | 27 | 13 | 56-53 |
| Mike Jones | THB | 2020 | 34 | 13 | 56-52 |
| Kenshin Koike | RC | 2020 | 26 | 12 | 63-45 |
| Aurelio Reyes | MISS | 2054 | 25 | 12 | 62-47 |
| Bobby Swain | NA | 2028 | 28 | 12 | 61-47 |
| Allen Blair | VAN | 2021 | 25 | 12 | 59-49 |
| Archie MacMurchy | TOL | 2053 | 30 | 12 | 59-50 |
| Cris Herrera | LV | 2028 | 26 | 12 | 57-51 |
| Chip Bishop | SEA | 2027 | 33 | 12 | 57-51 |
| Alfredo Rincón | MISS | 2052 | 29 | 12 | 57-51 |
| Jorge Garza | RM | 2030 | 30 | 12 | 57-51 |