| SP | Martinez, P.Martinez, Pedro $ >> | 29 | 2000 | R | 100 | 22 | 22 | 9 | 8 | 3.61 | .295 | 1.25 | 8.2 | 3.1 | 8.9 | 144.2 | 131 | 60 | 58 | 14 | 50 | 142 | 3 | 0 | 0 | 2 | 12 | 1 | 1 | 3.35 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 22 | 22 | 5 | 11 | 4.80 | .311 | 1.34 | 8.6 | 3.4 | 7.3 | 144.1 | 138 | 86 | 77 | 18 | 55 | 117 | 3 | 0 | 0 | 0 | 11 | 2 | 2 | 4.19 |
| SP | Sutton, D.Sutton, Don # >> | 27 | 1972 | R | 82 | 21 | 21 | 9 | 9 | 4.36 | .302 | 1.28 | 8.5 | 3.0 | 5.4 | 132.0 | 125 | 74 | 64 | 16 | 44 | 79 | 4 | 0 | 0 | 1 | 11 | 2 | 5 | 4.42 |
| SP | Marichal, J.Marichal, Juan >> | 29 | 1966 | R | 77 | 21 | 21 | 8 | 8 | 4.98 | .336 | 1.50 | 10.6 | 3.0 | 5.4 | 121.0 | 142 | 82 | 67 | 19 | 40 | 72 | 0 | 0 | 0 | 0 | 11 | 2 | 0 | 4.89 |
| CL | Adams, M.Adams, Mike † >> | 31 | 2009 | R | 99 | 52 | 0 | 4 | 1 | 1.66 | .242 | 0.94 | 4.9 | 3.7 | 9.9 | 59.2 | 32 | 13 | 11 | 2 | 24 | 65 | 0 | 28 | 2 | 0 | 0 | 1 | 2 | 2.51 |
| SU | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 60 | 0 | 2 | 0 | 4.97 | .324 | 1.41 | 10.1 | 2.6 | 9.3 | 63.1 | 71 | 36 | 35 | 14 | 18 | 65 | 0 | 4 | 1 | 0 | 0 | 2 | 2 | 4.78 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 45 | 0 | 2 | 4 | 4.65 | .352 | 1.57 | 8.8 | 5.4 | 10.4 | 50.1 | 49 | 29 | 26 | 7 | 30 | 58 | 0 | 1 | 1 | 0 | 0 | 3 | 0 | 4.48 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 76 | 31 | 0 | 2 | 2 | 4.01 | .308 | 1.31 | 9.2 | 2.8 | 10.1 | 42.2 | 43 | 21 | 19 | 5 | 13 | 47 | 0 | 0 | 2 | 0 | 0 | 1 | 1 | 3.31 |