| SP | deGrom, J.deGrom, Jacob $ >> | 33 | 2021 | R | 100 | 22 | 22 | 7 | 8 | 4.77 | .297 | 1.25 | 8.0 | 3.2 | 8.9 | 128.1 | 114 | 69 | 68 | 28 | 46 | 127 | 1 | 0 | 0 | 0 | 8 | 3 | 0 | 5.01 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 22 | 21 | 6 | 10 | 6.83 | .378 | 1.79 | 12.3 | 3.8 | 7.3 | 108.0 | 148 | 84 | 82 | 20 | 45 | 88 | 1 | 0 | 0 | 0 | 5 | 4 | 2 | 5.14 |
| SP | Alexander, P.Alexander, Pete >> | 28 | 1915 | R | 88 | 18 | 18 | 7 | 6 | 4.33 | .314 | 1.36 | 8.9 | 3.3 | 6.4 | 116.1 | 115 | 60 | 56 | 8 | 43 | 82 | 3 | 0 | 0 | 0 | 10 | 2 | 7 | 3.65 |
| SP | Hernandez, F.Hernandez, Felix # >> | 28 | 2014 | R | 79 | 19 | 19 | 6 | 6 | 5.95 | .314 | 1.37 | 9.8 | 2.6 | 8.9 | 101.1 | 110 | 70 | 67 | 18 | 29 | 100 | 1 | 0 | 0 | 1 | 6 | 0 | 10 | 4.20 |
| CL | Kimbrel, C.Kimbrel, Craig † >> | 24 | 2012 | R | 100 | 57 | 0 | 4 | 4 | 4.09 | .298 | 1.27 | 7.4 | 4.1 | 11.0 | 66.0 | 54 | 30 | 30 | 7 | 30 | 81 | 0 | 19 | 6 | 0 | 0 | 0 | 4 | 3.29 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 60 | 0 | 1 | 2 | 4.25 | .318 | 1.36 | 7.6 | 4.7 | 10.5 | 65.2 | 55 | 31 | 31 | 10 | 34 | 76 | 0 | 1 | 4 | 0 | 0 | 3 | 0 | 4.37 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 81 | 53 | 0 | 4 | 2 | 5.34 | .347 | 1.59 | 11.0 | 3.4 | 8.7 | 59.0 | 72 | 36 | 35 | 16 | 22 | 57 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 5.71 |