| SP | Strider, S.Strider, Spencer >> | 24 | 2023 | R | 95 | 12 | 12 | 3 | 4 | 4.81 | .330 | 1.43 | 9.7 | 3.3 | 11.7 | 63.2 | 68 | 35 | 34 | 9 | 23 | 82 | 0 | 0 | 0 | 0 | 7 | 3 | 3 | 3.49 |
| SP | Olson, R.Olson, Reese # >> | 23 | 2023 | R | 85 | 11 | 11 | 3 | 4 | 5.89 | .348 | 1.56 | 11.3 | 2.8 | 10.0 | 55.0 | 69 | 37 | 36 | 9 | 17 | 61 | 0 | 0 | 0 | 0 | 4 | 2 | 3 | 3.95 |
| SP | Wacha, M.Wacha, Michael >> | 31 | 2023 | R | 71 | 11 | 11 | 3 | 6 | 4.45 | .363 | 1.64 | 10.3 | 4.7 | 8.2 | 56.2 | 64 | 37 | 28 | 7 | 29 | 51 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4.57 |
| SP | Lorenzen, M.Lorenzen, Michael >> | 31 | 2023 | R | 57 | 11 | 11 | 3 | 4 | 7.24 | .362 | 1.68 | 12.0 | 3.3 | 7.3 | 54.2 | 72 | 46 | 44 | 12 | 20 | 44 | 0 | 0 | 0 | 0 | 3 | 1 | 2 | 5.43 |
| SP | Keller, M.Keller, Mitch >> | 27 | 2023 | R | 54 | 10 | 10 | 1 | 5 | 6.93 | .377 | 1.76 | 11.5 | 4.5 | 10.4 | 50.2 | 64 | 39 | 39 | 7 | 25 | 58 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 4.18 |
| RP | Fairbanks, P.Fairbanks, Peter >> | 29 | 2023 | R | 96 | 30 | 0 | 3 | 3 | 4.79 | .299 | 1.26 | 7.2 | 4.2 | 13.6 | 41.1 | 33 | 22 | 22 | 4 | 19 | 62 | 0 | 1 | 2 | 0 | 0 | 1 | 4 | 2.71 |
| RP | Wilson, B.Wilson, Bryse >> | 25 | 2023 | R | 72 | 35 | 0 | 2 | 3 | 4.37 | .327 | 1.42 | 9.2 | 3.8 | 8.7 | 55.2 | 56 | 27 | 27 | 3 | 23 | 53 | 0 | 3 | 1 | 0 | 0 | 2 | 0 | 3.15 |
| RP | Ottavino, A.Ottavino, Adam >> | 37 | 2023 | R | 58 | 29 | 0 | 2 | 2 | 3.58 | .298 | 1.22 | 7.1 | 4.1 | 10.9 | 37.2 | 29 | 15 | 15 | 4 | 17 | 45 | 0 | 1 | 1 | 0 | 0 | 2 | 5 | 3.51 |
| RP | Munoz, A.Munoz, Andres >> | 24 | 2023 | R | 50 | 27 | 0 | 1 | 2 | 5.40 | .318 | 1.40 | 6.6 | 6.0 | 11.4 | 30.0 | 22 | 18 | 18 | 5 | 20 | 38 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 4.63 |
| RP | Clase, E.Clase, Emmanuel >> | 25 | 2023 | R | 43 | 22 | 0 | 0 | 1 | 4.70 | .405 | 2.04 | 15.3 | 3.1 | 8.6 | 23.0 | 39 | 14 | 12 | 2 | 8 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.26 |