| SP | Flaherty, J.Flaherty, Jack >> | 25 | 2021 | R | 92 | 33 | 33 | 7 | 10 | 4.86 | .322 | 1.38 | 8.3 | 4.2 | 10.2 | 155.2 | 143 | 91 | 84 | 23 | 72 | 176 | 0 | 0 | 0 | 0 | 3 | 7 | 4 | 4.19 |
| SP | Wainwright, A.Wainwright, Adam >> | 40 | 2021 | R | 83 | 32 | 32 | 15 | 8 | 4.01 | .302 | 1.26 | 8.5 | 2.9 | 8.5 | 197.2 | 185 | 88 | 88 | 28 | 64 | 185 | 0 | 0 | 0 | 0 | 21 | 8 | 0 | 4.07 |
| SP | Gomber, A.Gomber, Austin >> | 27 | 2021 | L | 59 | 32 | 32 | 10 | 13 | 5.37 | .316 | 1.35 | 9.2 | 2.9 | 8.7 | 156.0 | 159 | 105 | 93 | 36 | 51 | 150 | 0 | 0 | 0 | 0 | 10 | 6 | 4 | 5.17 |
| SP | Mikolas, M.Mikolas, Miles >> | 32 | 2021 | R | 54 | 32 | 32 | 13 | 8 | 4.13 | .318 | 1.35 | 9.9 | 2.3 | 8.6 | 163.1 | 180 | 79 | 75 | 20 | 41 | 155 | 0 | 0 | 0 | 0 | 9 | 8 | 3 | 3.60 |
| RP | Whitley, K.Whitley, Kodi >> | 26 | 2021 | R | 85 | 88 | 0 | 9 | 3 | 1.74 | .257 | 1.03 | 5.7 | 3.6 | 9.9 | 118.2 | 75 | 30 | 23 | 11 | 47 | 130 | 0 | 4 | 4 | 0 | 0 | 1 | 1 | 3.23 |
| RP | Leone, D.Leone, Dominic † >> | 29 | 2021 | R | 78 | 82 | 0 | 11 | 2 | 1.99 | .266 | 1.06 | 6.4 | 3.2 | 9.3 | 108.2 | 77 | 28 | 24 | 9 | 38 | 111 | 0 | 1 | 3 | 0 | 0 | 3 | 3 | 3.17 |
| RP | McFarland, T.McFarland, T.J. >> | 32 | 2021 | L | 66 | 83 | 0 | 6 | 3 | 3.56 | .280 | 1.16 | 7.7 | 2.8 | 7.5 | 103.2 | 88 | 44 | 41 | 16 | 32 | 86 | 0 | 4 | 2 | 0 | 0 | 1 | 0 | 4.31 |
| CL | Gallegos, G.Gallegos, Giovanny † >> | 29 | 2021 | R | 96 | 94 | 0 | 1 | 4 | 2.30 | .212 | 0.79 | 5.1 | 2.0 | 10.4 | 97.2 | 55 | 26 | 25 | 7 | 22 | 112 | 0 | 41 | 3 | 0 | 0 | 2 | 2 | 2.37 |
| SP | Hyun Kim, K.Hyun Kim, Kwang >> | 32 | 2021 | L | 45 | 37 | 0 | 5 | 7 | 4.63 | .329 | 1.37 | 9.2 | 3.2 | 8.5 | 56.1 | 57 | 31 | 29 | 12 | 20 | 53 | 0 | 6 | 5 | 0 | 0 | 6 | 1 | 5.29 |