| SP | Castillo, L.Castillo, Luis >> | 30 | 2023 | R | 92 | 36 | 36 | 13 | 11 | 3.88 | .299 | 1.25 | 8.2 | 3.0 | 10.5 | 201.2 | 184 | 91 | 87 | 31 | 68 | 235 | 0 | 0 | 0 | 0 | 15 | 6 | 2 | 3.77 |
| SP | Mahle, T.Mahle, Tyler # >> | 28 | 2023 | R | 90 | 36 | 36 | 14 | 8 | 4.03 | .307 | 1.26 | 9.4 | 2.0 | 10.6 | 178.2 | 186 | 84 | 80 | 24 | 39 | 209 | 0 | 0 | 0 | 0 | 9 | 13 | 0 | 3.28 |
| SP | Eovaldi, N.Eovaldi, Nathan >> | 33 | 2023 | R | 82 | 35 | 35 | 13 | 10 | 3.84 | .325 | 1.38 | 9.0 | 3.4 | 7.7 | 199.1 | 200 | 89 | 85 | 26 | 76 | 171 | 0 | 0 | 0 | 0 | 16 | 12 | 5 | 4.31 |
| SP | Abbott, A.Abbott, Andrew # >> | 24 | 2023 | L | 59 | 33 | 33 | 11 | 6 | 4.38 | .342 | 1.53 | 9.0 | 4.8 | 10.8 | 164.1 | 164 | 81 | 80 | 25 | 87 | 197 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 4.26 |
| SP | Williamson, B.Williamson, Brandon >> | 25 | 2023 | L | 55 | 30 | 22 | 14 | 5 | 3.23 | .283 | 1.11 | 7.0 | 3.0 | 8.1 | 133.2 | 104 | 50 | 48 | 22 | 45 | 120 | 0 | 2 | 0 | 0 | 9 | 9 | 2 | 4.56 |
| CL | Chapman, A.Chapman, Aroldis >> | 35 | 2023 | L | 80 | 68 | 0 | 5 | 5 | 3.20 | .327 | 1.39 | 7.8 | 4.7 | 12.1 | 76.0 | 66 | 29 | 27 | 8 | 40 | 102 | 0 | 3 | 6 | 0 | 0 | 5 | 5 | 3.46 |
| RP | Moreta, D.Moreta, Dauri >> | 27 | 2023 | R | 94 | 106 | 0 | 10 | 7 | 3.30 | .283 | 1.13 | 7.3 | 2.9 | 11.0 | 109.0 | 88 | 41 | 40 | 9 | 35 | 133 | 0 | 6 | 3 | 0 | 0 | 6 | 2 | 2.76 |
| RP | Farmer, B.Farmer, Buck >> | 32 | 2023 | R | 76 | 77 | 0 | 5 | 1 | 3.13 | .287 | 1.17 | 7.2 | 3.4 | 7.5 | 74.2 | 59 | 26 | 26 | 9 | 28 | 62 | 0 | 7 | 1 | 0 | 0 | 3 | 0 | 4.16 |
| RP | Peralta, W.Peralta, Wandy >> | 31 | 2023 | L | 74 | 110 | 0 | 2 | 2 | 2.46 | .267 | 1.02 | 6.1 | 3.2 | 8.6 | 98.2 | 66 | 29 | 27 | 7 | 35 | 94 | 0 | 1 | 2 | 0 | 0 | 7 | 1 | 3.30 |