| SP | Scherzer, M.Scherzer, Max $$ >> | 33 | 2017 | R | 95 | 21 | 21 | 5 | 10 | 5.23 | .316 | 1.38 | 9.2 | 3.3 | 10.4 | 137.2 | 140 | 80 | 80 | 18 | 50 | 158 | 0 | 0 | 0 | 0 | 9 | 1 | 3 | 3.52 |
| SP | Mathewson, C.Mathewson, Christy >> | 28 | 1908 | R | 83 | 20 | 20 | 6 | 9 | 6.15 | .330 | 1.47 | 11.3 | 2.0 | 5.0 | 134.2 | 168 | 93 | 92 | 20 | 30 | 75 | 1 | 0 | 0 | 0 | 5 | 1 | 0 | 4.51 |
| CL | Doolittle, S.Doolittle, Sean † >> | 31 | 2018 | L | 99 | 36 | 0 | 3 | 2 | 1.93 | .211 | 0.80 | 6.1 | 1.2 | 9.7 | 37.1 | 25 | 8 | 8 | 3 | 5 | 40 | 0 | 20 | 2 | 0 | 0 | 0 | 0 | 2.30 |
| RP | Eckersley, D.Eckersley, Dennis >> | 36 | 1990 | R | 88 | 49 | 0 | 1 | 2 | 4.61 | .312 | 1.34 | 10.9 | 1.3 | 9.6 | 56.2 | 68 | 32 | 29 | 9 | 8 | 60 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 3.43 |
| RP | Soriano, R.Soriano, Rafael >> | 24 | 2003 | R | 84 | 39 | 0 | 3 | 2 | 5.40 | .349 | 1.56 | 10.3 | 4.0 | 9.2 | 41.2 | 47 | 31 | 25 | 7 | 18 | 42 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 4.63 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 83 | 31 | 0 | 6 | 2 | 2.84 | .275 | 1.14 | 6.7 | 3.8 | 7.8 | 31.2 | 23 | 11 | 10 | 1 | 13 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2.94 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 22 | 0 | 1 | 0 | 3.81 | .309 | 1.34 | 8.7 | 3.5 | 8.0 | 28.1 | 27 | 12 | 12 | 1 | 11 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2.86 |