| SP | Strasburg, S.Strasburg, Stephen # >> | 30 | 2019 | R | 78 | 33 | 33 | 13 | 11 | 4.33 | .293 | 1.20 | 8.5 | 2.3 | 10.2 | 206.0 | 194 | 102 | 99 | 38 | 53 | 234 | 2 | 0 | 0 | 1 | 17 | 9 | 3 | 4.03 |
| SP | Mikolas, M.Mikolas, Miles >> | 29 | 2018 | R | 33 | 33 | 26 | 11 | 11 | 5.85 | .327 | 1.45 | 11.4 | 1.8 | 7.0 | 149.1 | 188 | 102 | 97 | 27 | 29 | 116 | 0 | 0 | 0 | 0 | 7 | 1 | 0 | 4.40 |
| SP | Lackey, J.Lackey, John >> | 38 | 2016 | R | 60 | 30 | 30 | 15 | 6 | 4.36 | .325 | 1.42 | 9.4 | 3.4 | 7.8 | 165.0 | 172 | 80 | 80 | 17 | 63 | 143 | 0 | 0 | 0 | 0 | 13 | 3 | 1 | 3.81 |
| CL | Uehara, K.Uehara, Koji # >> | 38 | 2013 | R | 100 | 63 | 0 | 3 | 12 | 4.67 | .288 | 1.18 | 8.7 | 2.1 | 11.1 | 61.2 | 59 | 36 | 32 | 13 | 14 | 75 | 0 | 33 | 8 | 0 | 0 | 2 | 0 | 4.10 |
| RP | Hochevar, L.Hochevar, Luke >> | 30 | 2013 | R | 78 | 90 | 0 | 3 | 6 | 3.14 | .276 | 1.12 | 7.9 | 2.3 | 10.5 | 91.2 | 80 | 32 | 32 | 13 | 23 | 106 | 0 | 4 | 3 | 0 | 0 | 2 | 0 | 3.35 |
| RP | Soriano, R.Soriano, Rafael >> | 31 | 2010 | R | 80 | 60 | 0 | 6 | 0 | 3.25 | .285 | 1.18 | 8.1 | 2.5 | 7.2 | 61.0 | 55 | 22 | 22 | 6 | 17 | 49 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 3.56 |
| RP | Workman, B.Workman, Brandon >> | 30 | 2019 | R | 57 | 42 | 0 | 1 | 0 | 2.63 | .289 | 1.17 | 5.7 | 4.8 | 9.9 | 41.0 | 26 | 12 | 12 | 2 | 22 | 45 | 0 | 2 | 0 | 0 | 0 | 2 | 2 | 3.20 |