| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 89 | 29 | 29 | 7 | 13 | 5.09 | .333 | 1.48 | 10.1 | 3.2 | 8.1 | 191.0 | 215 | 108 | 108 | 32 | 67 | 172 | 2 | 0 | 0 | 0 | 14 | 4 | 3 | 4.49 |
| SP | Coveleski, S.Coveleski, Stan >> | 28 | 1917 | R | 62 | 27 | 27 | 10 | 7 | 3.84 | .331 | 1.47 | 8.7 | 4.6 | 4.5 | 161.2 | 156 | 73 | 69 | 18 | 82 | 80 | 0 | 0 | 0 | 0 | 15 | 2 | 4 | 5.02 |
| RP | Street, H.Street, Huston >> | 29 | 2012 | R | 96 | 72 | 0 | 7 | 5 | 3.67 | .326 | 1.44 | 7.0 | 6.0 | 8.4 | 98.0 | 76 | 46 | 40 | 8 | 65 | 91 | 0 | 2 | 6 | 0 | 0 | 1 | 0 | 4.22 |
| RP | Gallegos, G.Gallegos, Giovanny † >> | 27 | 2019 | R | 82 | 71 | 0 | 4 | 4 | 3.00 | .266 | 1.07 | 6.6 | 3.0 | 8.7 | 90.0 | 66 | 33 | 30 | 8 | 30 | 87 | 0 | 15 | 2 | 0 | 0 | 2 | 2 | 3.29 |
| RP | Bailey, A.Bailey, Andrew # >> | 25 | 2009 | R | 66 | 50 | 0 | 2 | 5 | 5.33 | .303 | 1.30 | 8.6 | 3.2 | 7.7 | 50.2 | 48 | 32 | 30 | 3 | 18 | 43 | 0 | 6 | 1 | 0 | 0 | 0 | 4 | 3.14 |
| SP | Tanana, F.Tanana, Frank >> | 23 | 1976 | L | 58 | 3 | 0 | 0 | 0 | 0.00 | .091 | 0.30 | 0.0 | 3.0 | 3.0 | 3.1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.33 |
| SP | Saberhagen, B.Saberhagen, Bret >> | 25 | 1989 | R | 50 | 26 | 0 | 1 | 3 | 5.97 | .376 | 1.78 | 11.4 | 4.9 | 4.6 | 37.2 | 47 | 28 | 25 | 5 | 20 | 19 | 0 | 2 | 1 | 0 | 0 | 1 | 3 | 5.43 |