| SP | Johnson, W.Johnson, Walter $ >> | 26 | 1913 | R | 95 | 7 | 7 | 2 | 2 | 2.87 | .273 | 1.13 | 7.5 | 2.7 | 6.5 | 53.1 | 44 | 20 | 17 | 2 | 16 | 38 | 2 | 0 | 0 | 0 | 5 | 0 | 1 | 2.96 |
| SP | Kluber, C.Kluber, Corey >> | 31 | 2017 | R | 90 | 7 | 7 | 3 | 2 | 3.29 | .274 | 1.12 | 7.3 | 2.8 | 9.3 | 52.0 | 42 | 20 | 19 | 5 | 16 | 54 | 1 | 0 | 0 | 0 | 6 | 1 | 1 | 3.15 |
| SP | Nelson, R.Nelson, Roger >> | 28 | 1972 | R | 85 | 7 | 7 | 1 | 4 | 3.96 | .310 | 1.34 | 9.5 | 2.8 | 7.1 | 38.2 | 40 | 17 | 17 | 6 | 12 | 30 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 4.42 |
| SP | McLain, D.McLain, Denny >> | 24 | 1968 | R | 79 | 7 | 7 | 5 | 0 | 2.26 | .272 | 1.10 | 7.4 | 2.6 | 4.4 | 51.2 | 42 | 17 | 13 | 2 | 15 | 25 | 1 | 0 | 0 | 1 | 6 | 1 | 0 | 3.47 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 17 | 0 | 2 | 0 | 1.33 | .187 | 0.64 | 5.4 | 0.5 | 9.0 | 20.1 | 12 | 3 | 3 | 1 | 1 | 20 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 1.95 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 83 | 16 | 0 | 2 | 1 | 3.38 | .263 | 1.07 | 3.5 | 6.5 | 8.5 | 18.2 | 7 | 8 | 7 | 1 | 13 | 17 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 4.00 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 78 | 15 | 0 | 1 | 1 | 3.00 | .237 | 0.93 | 6.6 | 1.8 | 9.6 | 15.0 | 11 | 5 | 5 | 0 | 3 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.47 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 27 | 1999 | R | 70 | 8 | 0 | 1 | 1 | 6.23 | .350 | 1.62 | 12.4 | 3.4 | 4.5 | 8.2 | 11 | 7 | 6 | 1 | 3 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 4.75 |
| SP | Bender, C.Bender, Chief >> | 26 | 1910 | R | 72 | 5 | 0 | 1 | 0 | 2.81 | .262 | 1.06 | 7.9 | 1.7 | 2.3 | 16.0 | 14 | 5 | 5 | 2 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.69 |