| SP | Giolito, L.Giolito, Lucas >> | 25 | 2020 | R | 93 | 17 | 17 | 6 | 8 | 4.34 | .315 | 1.34 | 8.7 | 3.5 | 11.0 | 103.2 | 99 | 55 | 50 | 16 | 40 | 126 | 0 | 0 | 0 | 0 | 8 | 4 | 3 | 3.85 |
| SP | Darvish, Y.Darvish, Yu >> | 33 | 2020 | R | 91 | 16 | 16 | 5 | 7 | 4.57 | .294 | 1.18 | 8.6 | 2.1 | 11.6 | 102.1 | 97 | 54 | 52 | 19 | 24 | 132 | 0 | 0 | 0 | 0 | 10 | 7 | 3 | 3.75 |
| SP | McCullers, L.McCullers, Lance >> | 27 | 2020 | R | 75 | 16 | 16 | 5 | 3 | 3.68 | .304 | 1.27 | 7.8 | 3.7 | 10.2 | 85.2 | 74 | 35 | 35 | 10 | 35 | 96 | 0 | 0 | 0 | 0 | 5 | 3 | 0 | 3.61 |
| SP | Hendricks, K.Hendricks, Kyle >> | 30 | 2020 | R | 74 | 16 | 16 | 5 | 7 | 5.62 | .319 | 1.35 | 10.4 | 1.8 | 8.2 | 107.1 | 124 | 68 | 67 | 21 | 21 | 98 | 3 | 0 | 0 | 2 | 5 | 6 | 1 | 4.48 |
| RP | Anderson, N.Anderson, Nick >> | 29 | 2020 | R | 100 | 42 | 0 | 4 | 2 | 2.31 | .246 | 0.95 | 5.7 | 2.9 | 11.8 | 62.1 | 39 | 17 | 16 | 2 | 20 | 81 | 0 | 2 | 2 | 0 | 0 | 2 | 0 | 1.87 |
| RP | Pomeranz, D.Pomeranz, Drew >> | 31 | 2020 | L | 86 | 42 | 0 | 2 | 5 | 4.29 | .298 | 1.23 | 6.7 | 4.5 | 9.2 | 50.1 | 37 | 24 | 24 | 10 | 25 | 51 | 0 | 5 | 1 | 0 | 0 | 2 | 0 | 5.18 |
| RP | Ramirez, E.Ramirez, Erasmo >> | 30 | 2020 | R | 84 | 33 | 0 | 3 | 2 | 3.20 | .284 | 1.17 | 7.2 | 3.4 | 7.2 | 56.1 | 45 | 22 | 20 | 5 | 21 | 45 | 0 | 7 | 2 | 0 | 0 | 1 | 0 | 3.73 |
| RP | Marshall, E.Marshall, Evan >> | 30 | 2020 | R | 70 | 22 | 0 | 1 | 0 | 2.75 | .263 | 1.02 | 6.6 | 2.8 | 11.4 | 19.2 | 14 | 6 | 6 | 2 | 6 | 24 | 0 | 5 | 2 | 0 | 0 | 1 | 1 | 2.95 |
| RP | Dolis, R.Dolis, Rafael >> | 32 | 2020 | R | 62 | 12 | 0 | 0 | 1 | 1.72 | .230 | 0.89 | 4.8 | 3.6 | 11.4 | 15.2 | 8 | 3 | 3 | 0 | 6 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.67 |