League Leaders
| Name | Team | Year | ERA | WHIP | W | SV | IP | H | ER | BB | K | PAR |
|---|
| Kimbrel, Craig | Choppers | 2021 | 2.26 | 0.905 | 4 | 24 | 59.7 | 31 | 15 | 23 | 100 | 3.62 |
| Sale, Chris | Choppers | 2021 | 3.16 | 1.336 | 5 | 0 | 42.7 | 45 | 15 | 12 | 52 | 1.55 |
| Bauer, Trevor | Choppers | 2021 | 2.59 | 1.003 | 8 | 0 | 107.7 | 71 | 31 | 37 | 137 | 6.68 |
| Taillon, Jameson | Choppers | 2021 | 3.25 | 1.058 | 5 | 0 | 74.7 | 56 | 27 | 23 | 67 | 2.79 |
| Corbin, Patrick | Choppers | 2021 | 5.88 | 1.601 | 3 | 0 | 64.3 | 79 | 42 | 24 | 49 | -2.37 |
| Walker, Taijuan | Choppers | 2021 | 6.56 | 1.374 | 1 | 0 | 71.3 | 71 | 52 | 27 | 56 | -3.59 |
| Heaney, Andrew | Choppers | 2021 | 5.48 | 1.267 | 8 | 0 | 120.0 | 112 | 73 | 40 | 140 | -0.29 |
| Givens, Mychal | Choppers | 2021 | 7.45 | 1.862 | 1 | 4 | 9.7 | 12 | 8 | 6 | 9 | -0.84 |
| Leclerc, Jose | Choppers | 2021 | 0.00 | 0.000 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0.00 |
| Puk, A.J. | Choppers | 2021 | 0.00 | 0.000 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | -0.11 |
| Keller, Mitch | Choppers | 2021 | 6.91 | 1.744 | 2 | 0 | 28.7 | 34 | 22 | 16 | 31 | -1.86 |
| Woodruff, Brandon | Choppers | 2021 | 2.56 | 0.965 | 9 | 0 | 179.3 | 130 | 51 | 43 | 211 | 8.56 |
| Bummer, Aaron | Choppers | 2021 | 6.57 | 1.622 | 1 | 0 | 12.3 | 9 | 9 | 11 | 17 | -1.52 |
| Bieber, Shane | Choppers | 2021 | 3.27 | 1.249 | 7 | 0 | 93.7 | 84 | 34 | 33 | 131 | 3.82 |
| Hicks, Jordan | Choppers | 2021 | 5.40 | 1.500 | 0 | 0 | 10.0 | 5 | 6 | 10 | 10 | -1.26 |
| Romano, Jordan | Choppers | 2021 | 1.99 | 1.012 | 4 | 23 | 54.3 | 35 | 12 | 20 | 77 | 3.72 |
| Urquidy, Jose | Choppers | 2021 | 3.54 | 0.888 | 6 | 0 | 68.7 | 51 | 27 | 10 | 59 | 3.24 |
| Clase, Emmanuel | Choppers | 2021 | 1.29 | 0.962 | 4 | 24 | 69.7 | 51 | 10 | 16 | 74 | 3.98 |
| Antone, Tejay | Choppers | 2021 | 1.93 | 0.827 | 2 | 3 | 32.7 | 15 | 7 | 12 | 41 | 1.04 |
