| SP | Kluber, C.Kluber, Corey >> | 32 | 2017 | R | 62 | 30 | 30 | 10 | 13 | 6.77 | .362 | 1.68 | 11.4 | 3.8 | 8.3 | 190.0 | 240 | 154 | 143 | 29 | 80 | 175 | 1 | 0 | 0 | 0 | 8 | 4 | 7 | 4.47 |
| SP | Hunter, C.Hunter, Catfish >> | 27 | 1972 | R | 79 | 29 | 29 | 10 | 12 | 5.87 | .348 | 1.58 | 10.8 | 3.4 | 4.6 | 187.0 | 225 | 136 | 122 | 28 | 70 | 95 | 4 | 0 | 0 | 1 | 11 | 5 | 2 | 5.13 |
| SP | Cicotte, E.Cicotte, Eddie >> | 34 | 1917 | R | 44 | 26 | 25 | 5 | 12 | 4.92 | .361 | 1.69 | 11.1 | 4.1 | 4.5 | 172.0 | 212 | 115 | 94 | 12 | 78 | 86 | 0 | 0 | 0 | 0 | 10 | 1 | 5 | 4.28 |
| SP | Chesbro, J.Chesbro, Jack >> | 31 | 1904 | R | 38 | 25 | 17 | 8 | 10 | 5.76 | .367 | 1.73 | 11.8 | 3.8 | 4.3 | 134.1 | 175 | 97 | 86 | 17 | 57 | 64 | 4 | 0 | 0 | 0 | 6 | 2 | 5 | 5.01 |
| RP | Jansen, K.Jansen, Kenley >> | 29 | 2016 | R | 74 | 76 | 0 | 9 | 6 | 3.68 | .308 | 1.32 | 8.4 | 3.5 | 9.0 | 95.1 | 89 | 43 | 39 | 12 | 37 | 95 | 0 | 5 | 8 | 0 | 0 | 1 | 6 | 3.84 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 28 | 2019 | R | 80 | 50 | 0 | 1 | 2 | 3.97 | .306 | 1.31 | 8.7 | 3.1 | 7.5 | 59.0 | 57 | 30 | 26 | 8 | 20 | 49 | 0 | 9 | 3 | 0 | 0 | 1 | 1 | 4.17 |
| RP | Gregerson, L.Gregerson, Luke >> | 27 | 2010 | R | 73 | 38 | 0 | 2 | 1 | 3.83 | .274 | 1.13 | 7.3 | 2.8 | 6.8 | 54.0 | 44 | 26 | 23 | 6 | 17 | 41 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 3.87 |
| RP | Harvey, B.Harvey, Bryan >> | 29 | 1991 | R | 44 | 35 | 0 | 1 | 0 | 5.17 | .332 | 1.49 | 8.8 | 4.6 | 7.3 | 47.0 | 46 | 27 | 27 | 4 | 24 | 38 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 4.02 |