| SP | Maeda, K.Maeda, Kenta † >> | 32 | 2020 | R | 100 | 21 | 21 | 8 | 6 | 2.27 | .228 | 0.83 | 5.8 | 1.7 | 9.7 | 139.0 | 89 | 37 | 35 | 7 | 27 | 150 | 2 | 0 | 0 | 2 | 17 | 7 | 0 | 2.23 |
| SP | Fernandez, S.Fernandez, Sid >> | 26 | 1988 | L | 93 | 20 | 20 | 10 | 5 | 3.20 | .297 | 1.25 | 7.3 | 4.0 | 7.0 | 123.2 | 100 | 51 | 44 | 3 | 54 | 96 | 0 | 0 | 0 | 0 | 13 | 3 | 2 | 3.15 |
| SP | Bumgarner, M.Bumgarner, Madison >> | 24 | 2014 | L | 69 | 21 | 21 | 6 | 12 | 4.29 | .309 | 1.32 | 9.3 | 2.6 | 7.2 | 128.0 | 132 | 71 | 61 | 4 | 37 | 103 | 0 | 0 | 0 | 0 | 10 | 3 | 2 | 2.73 |
| SP | Marichal, J.Marichal, Juan >> | 27 | 1964 | R | 62 | 21 | 21 | 6 | 6 | 4.04 | .289 | 1.20 | 8.3 | 2.5 | 4.2 | 142.2 | 131 | 70 | 64 | 13 | 40 | 67 | 4 | 0 | 0 | 0 | 9 | 3 | 0 | 4.15 |
| RP | Melancon, M.Melancon, Mark >> | 28 | 2013 | R | 69 | 57 | 0 | 5 | 0 | 2.76 | .237 | 0.93 | 6.8 | 1.6 | 4.8 | 75.0 | 57 | 27 | 23 | 5 | 13 | 40 | 0 | 2 | 3 | 0 | 0 | 0 | 1 | 3.32 |
| RP | Brantley, J.Brantley, Jeff >> | 29 | 1992 | R | 52 | 34 | 0 | 4 | 1 | 3.80 | .262 | 1.07 | 6.0 | 3.6 | 4.8 | 45.0 | 30 | 24 | 19 | 2 | 18 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3.71 |
| RP | Sutter, B.Sutter, Bruce >> | 27 | 1980 | R | 39 | 27 | 0 | 2 | 2 | 3.45 | .319 | 1.40 | 8.1 | 4.6 | 5.5 | 31.1 | 28 | 16 | 12 | 3 | 16 | 19 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 4.58 |
| CL | Treinen, B.Treinen, Blake † >> | 30 | 2018 | R | 95 | 38 | 0 | 4 | 1 | 1.77 | .242 | 0.96 | 4.7 | 4.1 | 7.7 | 40.2 | 21 | 8 | 8 | 0 | 18 | 34 | 0 | 21 | 3 | 0 | 0 | 0 | 0 | 2.65 |
| SP | Leonard, D.Leonard, Dutch >> | 25 | 1917 | L | 53 | 2 | 1 | 1 | 0 | 0.96 | .243 | 0.96 | 5.0 | 4.0 | 5.0 | 9.1 | 5 | 1 | 1 | 0 | 4 | 5 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 3.22 |