| SP | Ohtani, S.Ohtani, Shohei † >> | 28 | 2023 | R | 100 | 18 | 18 | 8 | 2 | 3.58 | .319 | 1.37 | 7.5 | 4.8 | 11.3 | 103.0 | 86 | 41 | 41 | 11 | 55 | 129 | 0 | 0 | 0 | 0 | 8 | 4 | 3 | 3.60 |
| SP | Pivetta, N.Pivetta, Nick # >> | 30 | 2023 | R | 91 | 17 | 17 | 0 | 2 | 6.27 | .369 | 1.71 | 10.2 | 5.3 | 8.6 | 60.1 | 68 | 44 | 42 | 8 | 35 | 57 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 4.73 |
| SP | Abbott, A.Abbott, Andrew >> | 24 | 2023 | L | 50 | 16 | 16 | 4 | 3 | 4.15 | .319 | 1.36 | 8.3 | 4.1 | 11.8 | 86.2 | 79 | 40 | 40 | 13 | 39 | 113 | 0 | 0 | 0 | 0 | 6 | 4 | 0 | 3.84 |
| RP | Leclerc, J.Leclerc, Jose >> | 29 | 2023 | R | 80 | 64 | 0 | 5 | 5 | 5.40 | .381 | 1.80 | 10.3 | 6.0 | 11.1 | 68.1 | 78 | 45 | 41 | 4 | 45 | 84 | 0 | 4 | 4 | 0 | 0 | 3 | 1 | 3.41 |
| RP | Smith, W.Smith, Will † >> | 33 | 2023 | L | 75 | 58 | 0 | 14 | 3 | 3.63 | .301 | 1.24 | 8.0 | 3.2 | 9.4 | 74.1 | 66 | 30 | 30 | 10 | 26 | 77 | 0 | 2 | 4 | 0 | 0 | 4 | 1 | 3.89 |
| CL | Stephenson, R.Stephenson, Robert † >> | 30 | 2023 | R | 100 | 51 | 0 | 6 | 5 | 4.17 | .328 | 1.44 | 7.3 | 5.7 | 12.2 | 54.0 | 44 | 28 | 25 | 3 | 34 | 73 | 0 | 12 | 5 | 0 | 0 | 1 | 2 | 2.96 |