| SP | Maeda, K.Maeda, Kenta † >> | 32 | 2020 | R | 100 | 24 | 24 | 9 | 6 | 2.58 | .235 | 0.88 | 6.1 | 1.8 | 9.5 | 153.2 | 104 | 47 | 44 | 8 | 31 | 161 | 2 | 0 | 0 | 2 | 18 | 7 | 0 | 2.32 |
| SP | Fernandez, S.Fernandez, Sid >> | 26 | 1988 | L | 93 | 22 | 22 | 11 | 5 | 2.94 | .289 | 1.20 | 6.9 | 3.9 | 7.0 | 137.2 | 105 | 53 | 45 | 3 | 60 | 106 | 0 | 0 | 0 | 0 | 15 | 3 | 2 | 3.12 |
| SP | Bumgarner, M.Bumgarner, Madison >> | 24 | 2014 | L | 69 | 24 | 24 | 6 | 13 | 4.18 | .308 | 1.31 | 9.2 | 2.6 | 6.8 | 146.1 | 150 | 80 | 68 | 4 | 42 | 110 | 0 | 0 | 0 | 0 | 12 | 3 | 2 | 2.77 |
| SP | Marichal, J.Marichal, Juan >> | 27 | 1964 | R | 62 | 24 | 24 | 8 | 7 | 3.88 | .291 | 1.21 | 8.4 | 2.5 | 4.1 | 164.2 | 153 | 84 | 71 | 14 | 46 | 75 | 4 | 0 | 0 | 0 | 11 | 4 | 0 | 4.11 |
| RP | Melancon, M.Melancon, Mark >> | 28 | 2013 | R | 69 | 64 | 0 | 5 | 1 | 2.87 | .246 | 0.98 | 7.0 | 1.9 | 4.9 | 84.2 | 65 | 31 | 27 | 6 | 18 | 46 | 0 | 2 | 3 | 0 | 0 | 0 | 1 | 3.48 |
| RP | Brantley, J.Brantley, Jeff >> | 29 | 1992 | R | 52 | 38 | 0 | 4 | 1 | 3.66 | .265 | 1.08 | 6.0 | 3.9 | 5.1 | 51.2 | 34 | 26 | 21 | 2 | 22 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.67 |
| RP | Sutter, B.Sutter, Bruce >> | 27 | 1980 | R | 39 | 34 | 0 | 3 | 3 | 3.15 | .310 | 1.35 | 7.9 | 4.3 | 5.4 | 40.0 | 35 | 18 | 14 | 4 | 19 | 24 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 4.53 |
| CL | Treinen, B.Treinen, Blake † >> | 30 | 2018 | R | 95 | 49 | 0 | 5 | 2 | 1.53 | .228 | 0.89 | 4.2 | 3.7 | 8.0 | 53.0 | 25 | 9 | 9 | 0 | 22 | 47 | 0 | 25 | 3 | 0 | 0 | 0 | 0 | 2.47 |
| SP | Leonard, D.Leonard, Dutch >> | 25 | 1917 | L | 53 | 3 | 2 | 1 | 0 | 3.86 | .327 | 1.46 | 9.0 | 4.9 | 4.1 | 11.2 | 11 | 5 | 5 | 0 | 6 | 5 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 3.73 |