| SP | Buehler, W.Buehler, Walker >> | 25 | 2020 | R | 95 | 17 | 17 | 6 | 4 | 3.76 | .299 | 1.25 | 6.6 | 4.8 | 11.4 | 81.1 | 59 | 36 | 34 | 15 | 43 | 103 | 0 | 0 | 0 | 0 | 2 | 2 | 5 | 4.53 |
| SP | Woodruff, B.Woodruff, Brandon >> | 27 | 2020 | R | 90 | 16 | 16 | 8 | 2 | 3.96 | .291 | 1.22 | 8.7 | 2.3 | 12.3 | 97.2 | 94 | 44 | 43 | 10 | 25 | 133 | 0 | 0 | 0 | 0 | 10 | 1 | 2 | 2.40 |
| SP | Wainwright, A.Wainwright, Adam >> | 39 | 2020 | R | 77 | 16 | 16 | 7 | 8 | 4.98 | .329 | 1.40 | 9.9 | 2.8 | 7.9 | 110.1 | 121 | 69 | 61 | 21 | 34 | 97 | 1 | 0 | 0 | 0 | 8 | 7 | 0 | 4.84 |
| SP | Keuchel, D.Keuchel, Dallas >> | 32 | 2020 | L | 73 | 16 | 16 | 7 | 2 | 4.82 | .323 | 1.42 | 9.1 | 3.7 | 7.9 | 97.0 | 98 | 54 | 52 | 22 | 40 | 85 | 0 | 0 | 0 | 0 | 8 | 1 | 0 | 5.46 |
| SP | Musgrove, J.Musgrove, Joseph >> | 27 | 2020 | R | 59 | 16 | 16 | 5 | 5 | 5.90 | .344 | 1.55 | 10.2 | 3.8 | 12.2 | 76.1 | 86 | 51 | 50 | 13 | 32 | 103 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 3.86 |
| RP | Rainey, T.Rainey, Tanner >> | 27 | 2020 | R | 99 | 42 | 0 | 3 | 2 | 3.70 | .297 | 1.23 | 6.4 | 4.7 | 12.7 | 56.0 | 40 | 23 | 23 | 7 | 29 | 79 | 0 | 3 | 1 | 0 | 0 | 2 | 5 | 3.46 |
| RP | Givens, M.Givens, Mychal >> | 30 | 2020 | R | 88 | 41 | 0 | 5 | 1 | 3.48 | .303 | 1.27 | 7.2 | 4.3 | 11.0 | 54.1 | 43 | 21 | 21 | 7 | 26 | 66 | 0 | 3 | 2 | 0 | 0 | 2 | 0 | 3.80 |
| RP | Iglesias, R.Iglesias, Raisel >> | 30 | 2020 | R | 83 | 37 | 0 | 2 | 3 | 3.47 | .302 | 1.24 | 8.3 | 2.9 | 11.0 | 49.1 | 45 | 19 | 19 | 6 | 16 | 60 | 0 | 8 | 3 | 0 | 0 | 3 | 0 | 3.31 |
| RP | Wendelken, J.Wendelken, J.B. >> | 27 | 2020 | R | 72 | 35 | 0 | 3 | 0 | 2.82 | .283 | 1.19 | 6.1 | 4.7 | 11.7 | 44.2 | 30 | 14 | 14 | 4 | 23 | 57 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 3.16 |
| RP | Hernandez, J.Hernandez, Jonathan >> | 23 | 2020 | R | 68 | 29 | 0 | 1 | 4 | 7.42 | .389 | 1.88 | 13.8 | 3.3 | 10.5 | 30.1 | 46 | 27 | 25 | 8 | 11 | 35 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 5.33 |
| SP | Sanchez, S.Sanchez, Sixto >> | 21 | 2020 | R | 56 | 4 | 0 | 1 | 2 | 5.40 | .318 | 1.40 | 10.8 | 1.8 | 3.6 | 5.0 | 6 | 3 | 3 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.40 |