| SP | Verlander, J.Verlander, Justin $$ >> | 36 | 2019 | R | 99 | 24 | 24 | 6 | 14 | 4.83 | .302 | 1.28 | 8.9 | 2.7 | 9.4 | 169.2 | 168 | 91 | 91 | 25 | 50 | 176 | 4 | 0 | 0 | 0 | 11 | 2 | 6 | 3.76 |
| SP | Cole, G.Cole, Gerrit # >> | 28 | 2019 | R | 91 | 24 | 24 | 6 | 10 | 4.82 | .321 | 1.42 | 9.8 | 3.1 | 9.3 | 132.2 | 143 | 72 | 71 | 17 | 45 | 136 | 1 | 0 | 0 | 0 | 12 | 0 | 0 | 3.64 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 84 | 22 | 22 | 6 | 6 | 5.30 | .329 | 1.44 | 9.7 | 3.4 | 5.3 | 108.2 | 116 | 66 | 64 | 18 | 41 | 63 | 1 | 0 | 0 | 0 | 7 | 3 | 2 | 5.22 |
| RP | Rivera, M.Rivera, Mariano >> | 39 | 2008 | R | 85 | 60 | 0 | 5 | 7 | 3.23 | .306 | 1.29 | 8.9 | 2.8 | 7.8 | 61.1 | 60 | 24 | 22 | 9 | 19 | 53 | 0 | 8 | 3 | 0 | 0 | 2 | 1 | 4.21 |
| RP | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 91 | 52 | 0 | 5 | 1 | 2.11 | .263 | 1.07 | 6.9 | 2.9 | 6.7 | 59.2 | 45 | 14 | 14 | 2 | 19 | 44 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 2.92 |
| RP | Gallegos, G.Gallegos, Giovanny >> | 27 | 2019 | R | 82 | 32 | 0 | 1 | 1 | 3.03 | .274 | 1.07 | 6.2 | 3.7 | 9.0 | 32.2 | 22 | 12 | 11 | 6 | 13 | 32 | 0 | 4 | 2 | 0 | 0 | 2 | 5 | 4.84 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 80 | 18 | 0 | 2 | 1 | 4.57 | .337 | 1.52 | 8.6 | 5.6 | 4.3 | 21.2 | 20 | 13 | 11 | 3 | 13 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5.76 |
| CL | Doolittle, S.Doolittle, Sean $ >> | 31 | 2018 | L | 99 | 46 | 0 | 4 | 6 | 4.48 | .294 | 1.25 | 8.5 | 2.9 | 10.2 | 66.1 | 62 | 35 | 33 | 12 | 21 | 75 | 0 | 6 | 6 | 0 | 0 | 0 | 0 | 4.05 |
| RP | Papelbon, J.Papelbon, Jonathan $$ >> | 27 | 2007 | R | 92 | 27 | 0 | 1 | 1 | 4.85 | .332 | 1.44 | 9.0 | 4.1 | 9.7 | 55.2 | 55 | 30 | 30 | 8 | 25 | 59 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 4.27 |