| SP | Kershaw, C.Kershaw, Clayton † >> | 35 | 2023 | L | 98 | 19 | 19 | 8 | 4 | 3.23 | .295 | 1.26 | 8.3 | 3.1 | 9.8 | 111.1 | 102 | 45 | 40 | 13 | 38 | 121 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 3.37 |
| SP | Eovaldi, N.Eovaldi, Nathan # >> | 33 | 2023 | R | 80 | 18 | 17 | 8 | 5 | 4.98 | .312 | 1.34 | 9.6 | 2.6 | 7.4 | 97.2 | 103 | 56 | 54 | 10 | 28 | 80 | 0 | 0 | 1 | 0 | 8 | 2 | 2 | 3.62 |
| SP | Rodriguez, E.Rodriguez, Eduardo # >> | 30 | 2023 | L | 74 | 17 | 17 | 6 | 8 | 4.20 | .313 | 1.32 | 8.6 | 3.3 | 8.7 | 98.2 | 94 | 49 | 46 | 12 | 36 | 95 | 0 | 0 | 0 | 0 | 8 | 5 | 1 | 3.91 |
| SP | Bassitt, C.Bassitt, Chris >> | 34 | 2023 | R | 66 | 18 | 17 | 8 | 6 | 4.42 | .323 | 1.39 | 9.8 | 2.7 | 7.5 | 106.0 | 115 | 55 | 52 | 11 | 32 | 88 | 0 | 0 | 0 | 0 | 6 | 5 | 3 | 3.74 |
| RP | Cosgrove, T.Cosgrove, Tom >> | 27 | 2023 | L | 88 | 55 | 0 | 3 | 2 | 2.84 | .296 | 1.26 | 7.9 | 3.6 | 6.7 | 50.2 | 44 | 16 | 16 | 5 | 20 | 37 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 4.02 |
| RP | Strahm, M.Strahm, Matt >> | 31 | 2023 | L | 86 | 44 | 0 | 0 | 3 | 5.82 | .337 | 1.45 | 9.4 | 3.8 | 10.9 | 43.1 | 45 | 28 | 28 | 5 | 18 | 52 | 0 | 2 | 1 | 0 | 0 | 3 | 0 | 3.56 |
| SU | Harvey, H.Harvey, Hunter >> | 28 | 2023 | R | 91 | 42 | 0 | 1 | 1 | 4.50 | .325 | 1.31 | 8.8 | 3.0 | 10.3 | 36.0 | 35 | 18 | 18 | 8 | 12 | 41 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5.03 |
| CL | Fairbanks, P.Fairbanks, Peter † >> | 29 | 2023 | R | 98 | 39 | 0 | 3 | 4 | 2.43 | .282 | 1.16 | 5.4 | 5.2 | 12.6 | 40.2 | 24 | 12 | 11 | 2 | 23 | 56 | 0 | 23 | 2 | 0 | 0 | 1 | 4 | 2.65 |
| SP | Giolito, L.Giolito, Lucas >> | 28 | 2023 | R | 51 | 17 | 0 | 1 | 1 | 6.04 | .335 | 1.49 | 10.1 | 3.4 | 10.0 | 47.2 | 53 | 32 | 32 | 11 | 18 | 52 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5.04 |