| SP | Verlander, J.Verlander, Justin $ >> | 36 | 2019 | R | 99 | 27 | 27 | 8 | 13 | 4.89 | .317 | 1.35 | 9.5 | 2.7 | 7.0 | 165.2 | 175 | 94 | 90 | 23 | 49 | 129 | 0 | 0 | 0 | 0 | 11 | 7 | 4 | 4.27 |
| SP | Cole, G.Cole, Gerrit $ >> | 28 | 2019 | R | 92 | 26 | 26 | 9 | 13 | 6.08 | .346 | 1.56 | 10.6 | 3.4 | 9.5 | 145.0 | 171 | 104 | 98 | 33 | 55 | 153 | 0 | 0 | 0 | 0 | 10 | 4 | 2 | 5.07 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 26 | 26 | 5 | 13 | 4.98 | .304 | 1.29 | 9.5 | 2.2 | 5.8 | 133.2 | 140 | 74 | 74 | 20 | 32 | 85 | 0 | 0 | 0 | 0 | 5 | 3 | 0 | 4.47 |
| CL | Gagne, E.Gagne, Eric † >> | 27 | 2003 | R | 98 | 51 | 0 | 1 | 3 | 2.26 | .289 | 1.22 | 6.4 | 4.8 | 10.8 | 51.2 | 36 | 13 | 13 | 4 | 27 | 61 | 0 | 31 | 1 | 0 | 0 | 0 | 0 | 3.22 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 47 | 0 | 0 | 1 | 2.36 | .294 | 1.19 | 6.1 | 4.8 | 9.9 | 49.2 | 33 | 13 | 13 | 3 | 26 | 54 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 3.37 |
| RP | Soriano, R.Soriano, Rafael >> | 24 | 2003 | R | 85 | 63 | 0 | 7 | 2 | 3.06 | .294 | 1.24 | 8.0 | 3.2 | 9.9 | 79.1 | 70 | 27 | 27 | 9 | 28 | 87 | 0 | 6 | 4 | 0 | 0 | 1 | 0 | 3.38 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 58 | 0 | 3 | 3 | 3.88 | .317 | 1.36 | 7.2 | 5.1 | 9.6 | 60.1 | 48 | 33 | 26 | 9 | 34 | 64 | 0 | 2 | 2 | 0 | 0 | 2 | 3 | 4.62 |