| SP | Flaherty, J.Flaherty, Jack >> | 23 | 2019 | R | 82 | 21 | 21 | 5 | 11 | 5.82 | .354 | 1.60 | 10.7 | 3.7 | 8.7 | 116.0 | 138 | 78 | 75 | 18 | 48 | 112 | 0 | 0 | 0 | 0 | 7 | 5 | 3 | 4.46 |
| SP | Perry, G.Perry, Gaylord >> | 34 | 1972 | R | 69 | 20 | 20 | 7 | 10 | 4.36 | .305 | 1.27 | 9.1 | 2.4 | 5.9 | 146.2 | 147 | 75 | 71 | 23 | 39 | 96 | 5 | 0 | 0 | 1 | 11 | 7 | 2 | 4.68 |
| SP | Strasburg, S.Strasburg, Stephen >> | 28 | 2017 | R | 65 | 20 | 20 | 4 | 8 | 5.75 | .355 | 1.63 | 11.1 | 3.6 | 8.7 | 114.1 | 140 | 75 | 73 | 26 | 46 | 110 | 0 | 0 | 0 | 0 | 7 | 3 | 0 | 5.32 |
| CL | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 100 | 41 | 0 | 3 | 6 | 3.77 | .269 | 1.06 | 7.6 | 2.0 | 10.6 | 45.1 | 38 | 21 | 19 | 8 | 10 | 53 | 0 | 17 | 3 | 0 | 0 | 2 | 0 | 3.76 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 80 | 52 | 0 | 5 | 4 | 3.39 | .254 | 0.98 | 5.0 | 3.9 | 9.4 | 74.1 | 41 | 28 | 28 | 8 | 32 | 77 | 0 | 0 | 2 | 0 | 0 | 3 | 1 | 3.74 |
| RP | Rodney, F.Rodney, Fernando >> | 35 | 2012 | R | 79 | 52 | 0 | 2 | 0 | 2.28 | .259 | 1.01 | 6.2 | 2.9 | 7.0 | 55.1 | 38 | 16 | 14 | 7 | 18 | 43 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4.18 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 77 | 29 | 0 | 3 | 1 | 1.69 | .226 | 0.78 | 4.8 | 2.3 | 10.4 | 32.0 | 17 | 6 | 6 | 1 | 8 | 37 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 2.13 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 72 | 15 | 0 | 1 | 1 | 3.71 | .261 | 1.06 | 6.9 | 2.6 | 9.5 | 17.0 | 13 | 7 | 7 | 2 | 5 | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 3.29 |
| RP | Harvey, B.Harvey, Bryan >> | 28 | 1991 | R | 62 | 18 | 0 | 3 | 0 | 5.65 | .358 | 1.67 | 10.3 | 5.1 | 10.9 | 14.1 | 16 | 9 | 9 | 2 | 8 | 17 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.14 |