| Most Innings Pitched without Starting a Game | |||||
|---|---|---|---|---|---|
| Player | Team | Year | Age | IP | G |
| Kadeem Bernard | BOS | 2031 | 29 | 189.0 | 31 |
| Antonio Ocura | DEN | 2028 | 23 | 169.0 | 91 |
| Morgan Marley | CHI | 2020 | 23 | 160.1 | 76 |
| Ashley Lumb | BOS | 2026 | 23 | 145.2 | 87 |
| Takuhiro Murayama | SEA | 2030 | 33 | 145.1 | 66 |
| Ashley Lumb | BOS | 2029 | 26 | 140.1 | 79 |
| Ashley Lumb | BOS | 2028 | 25 | 136.0 | 78 |
| Takuhiro Murayama | SEA | 2031 | 34 | 133.2 | 78 |
| Tom Pearcey | CHI | 2019 | 28 | 133.0 | 64 |
| Ashley Lumb | BOS | 2027 | 24 | 129.2 | 76 |
| Casey Vaccaro | MIA | 2030 | 27 | 129.2 | 70 |
| Casey Vaccaro | MIA | 2029 | 26 | 127.0 | 73 |
| Gabriel Madrigal | OHI | 2025 | 25 | 126.0 | 62 |
| Stefan Skuse | HOU | 2024 | 33 | 124.1 | 52 |
| Justin Gilcrest | TOR | 2022 | 31 | 123.0 | 54 |
| Dylan Dixon | CHI | 2021 | 24 | 123.0 | 54 |
| Paul Latimer | CGY | 2024 | 23 | 121.1 | 49 |
| Paul Latimer | CGY | 2025 | 24 | 120.1 | 52 |
| Brian Foushee | BOS | 2030 | 23 | 119.2 | 72 |
| Daniel Gonzales | TOR | 2025 | 25 | 114.2 | 50 |