| SP | Kershaw, C.Kershaw, Clayton # >> | 28 | 2016 | L | 99 | 23 | 23 | 10 | 9 | 4.73 | .296 | 1.25 | 9.9 | 1.3 | 8.5 | 148.1 | 163 | 81 | 78 | 21 | 22 | 140 | 1 | 0 | 0 | 1 | 10 | 2 | 5 | 3.44 |
| SP | McLain, D.McLain, Denny >> | 24 | 1968 | R | 79 | 22 | 22 | 8 | 6 | 5.00 | .330 | 1.45 | 10.0 | 3.1 | 5.6 | 126.0 | 140 | 73 | 70 | 18 | 43 | 79 | 4 | 0 | 0 | 2 | 10 | 3 | 0 | 4.70 |
| SP | Krause, H.Krause, Harry >> | 21 | 1909 | L | 73 | 22 | 22 | 4 | 8 | 5.76 | .344 | 1.58 | 11.0 | 3.2 | 5.6 | 111.0 | 136 | 83 | 71 | 13 | 39 | 69 | 1 | 0 | 0 | 0 | 9 | 0 | 2 | 4.33 |
| CL | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 98 | 64 | 0 | 3 | 9 | 4.63 | .333 | 1.47 | 9.0 | 4.2 | 9.0 | 68.0 | 68 | 35 | 35 | 6 | 32 | 68 | 0 | 21 | 6 | 0 | 0 | 2 | 1 | 3.65 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 71 | 0 | 6 | 7 | 4.00 | .310 | 1.32 | 7.8 | 4.2 | 8.4 | 78.2 | 68 | 39 | 35 | 9 | 36 | 73 | 0 | 1 | 3 | 0 | 0 | 2 | 0 | 4.09 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 80 | 71 | 0 | 3 | 1 | 3.90 | .312 | 1.34 | 9.3 | 2.7 | 8.6 | 83.0 | 86 | 38 | 36 | 14 | 25 | 79 | 0 | 2 | 1 | 0 | 0 | 2 | 7 | 4.27 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 46 | 0 | 4 | 2 | 5.48 | .326 | 1.45 | 8.1 | 5.0 | 6.5 | 69.0 | 62 | 49 | 42 | 11 | 38 | 50 | 0 | 2 | 1 | 0 | 0 | 0 | 3 | 5.28 |