| SP | Morton, C.Morton, Charlie >> | 38 | 2021 | R | 94 | 6 | 6 | 2 | 0 | 3.26 | .293 | 1.22 | 9.2 | 1.9 | 12.1 | 38.2 | 39 | 14 | 14 | 6 | 8 | 51 | 1 | 0 | 0 | 0 | 4 | 1 | 0 | 3.08 |
| SP | Sandoval, P.Sandoval, Patrick # >> | 24 | 2021 | L | 72 | 6 | 6 | 0 | 3 | 6.44 | .358 | 1.67 | 10.2 | 5.0 | 7.1 | 29.1 | 33 | 21 | 21 | 5 | 16 | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 5.31 |
| SP | Gibson, K.Gibson, Kyle >> | 33 | 2021 | R | 56 | 5 | 5 | 3 | 1 | 0.97 | .184 | 0.68 | 4.4 | 1.7 | 7.8 | 37.0 | 18 | 7 | 4 | 2 | 7 | 32 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 2.54 |
| RP | Karinchak, J.Karinchak, James >> | 25 | 2021 | R | 76 | 14 | 0 | 1 | 2 | 3.50 | .289 | 1.22 | 6.5 | 4.5 | 10.5 | 18.0 | 13 | 10 | 7 | 1 | 9 | 21 | 0 | 3 | 1 | 0 | 0 | 0 | 2 | 2.89 |
| RP | Stammen, C.Stammen, Craig >> | 37 | 2021 | R | 63 | 12 | 0 | 2 | 0 | 7.07 | .382 | 1.86 | 12.2 | 4.5 | 9.0 | 14.0 | 19 | 11 | 11 | 2 | 7 | 14 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 4.36 |
| RP | Kinley, T.Kinley, Tyler >> | 30 | 2021 | R | 53 | 11 | 0 | 0 | 1 | 0.79 | .346 | 1.59 | 8.2 | 6.5 | 8.2 | 11.1 | 10 | 1 | 1 | 1 | 8 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 4.55 |
| SP | Pivetta, N.Pivetta, Nick >> | 28 | 2021 | R | 44 | 1 | 0 | 0 | 0 | 0.00 | .364 | 1.71 | 9.0 | 9.0 | 13.5 | 2.1 | 2 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 |
| SP | Pineda, M.Pineda, Michael >> | 32 | 2021 | R | 35 | 6 | 0 | 1 | 0 | 9.53 | .414 | 2.12 | 14.4 | 7.2 | 9.0 | 5.2 | 8 | 6 | 6 | 1 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6.00 |