| SP | Castillo, L.Castillo, Luis >> | 30 | 2023 | R | 93 | 13 | 13 | 6 | 3 | 3.07 | .267 | 1.08 | 6.5 | 3.2 | 9.7 | 73.1 | 53 | 26 | 25 | 7 | 26 | 79 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 3.19 |
| SP | Scherzer, M.Scherzer, Max >> | 39 | 2023 | R | 88 | 13 | 13 | 4 | 5 | 3.84 | .335 | 1.46 | 8.9 | 4.4 | 9.9 | 72.2 | 71 | 31 | 31 | 9 | 35 | 79 | 0 | 0 | 0 | 0 | 4 | 4 | 0 | 4.06 |
| SP | Gallen, Z.Gallen, Zac # >> | 27 | 2023 | R | 80 | 13 | 13 | 5 | 5 | 5.04 | .313 | 1.33 | 10.8 | 1.3 | 12.4 | 69.2 | 83 | 40 | 39 | 6 | 10 | 95 | 0 | 0 | 0 | 0 | 7 | 2 | 0 | 1.90 |
| SP | Wacha, M.Wacha, Michael # >> | 31 | 2023 | R | 70 | 13 | 13 | 7 | 2 | 4.43 | .312 | 1.35 | 8.7 | 3.4 | 8.0 | 69.0 | 67 | 35 | 34 | 9 | 26 | 61 | 0 | 0 | 0 | 0 | 9 | 1 | 2 | 4.10 |
| SP | Garrett, B.Garrett, Braxton >> | 25 | 2023 | L | 61 | 14 | 12 | 2 | 5 | 4.55 | .321 | 1.39 | 10.7 | 1.9 | 7.9 | 63.1 | 75 | 33 | 32 | 10 | 13 | 55 | 0 | 0 | 0 | 0 | 4 | 2 | 2 | 4.03 |
| CL | Romano, J.Romano, Jordan >> | 30 | 2023 | R | 51 | 1 | 0 | 0 | 0 | 0.00 | .000 | 0.00 | 0.0 | 0.0 | 0.0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.00 |
| RP | Sewald, P.Sewald, Paul >> | 33 | 2023 | R | 68 | 23 | 0 | 2 | 6 | 5.96 | .352 | 1.59 | 10.6 | 4.1 | 11.9 | 22.2 | 26 | 15 | 15 | 8 | 10 | 29 | 0 | 8 | 3 | 0 | 0 | 1 | 0 | 6.59 |
| RP | Harvey, H.Harvey, Hunter >> | 28 | 2023 | R | 88 | 33 | 0 | 0 | 1 | 4.95 | .374 | 1.68 | 10.0 | 5.3 | 10.8 | 36.1 | 40 | 23 | 20 | 4 | 21 | 43 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 4.14 |
| RP | Chapman, A.Chapman, Aroldis >> | 35 | 2023 | L | 64 | 24 | 0 | 1 | 0 | 2.16 | .299 | 1.20 | 5.4 | 5.4 | 14.0 | 25.0 | 15 | 7 | 6 | 2 | 15 | 39 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 2.96 |
| SP | Walker, T.Walker, Taijuan # >> | 30 | 2023 | R | 47 | 8 | 0 | 2 | 2 | 7.26 | .345 | 1.55 | 9.3 | 4.6 | 5.2 | 31.0 | 32 | 25 | 25 | 8 | 16 | 18 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 6.84 |