| SP | Martinez, P.Martinez, Pedro >> | 29 | 2000 | R | 100 | 6 | 6 | 2 | 2 | 3.48 | .275 | 1.14 | 7.2 | 3.1 | 8.4 | 44.0 | 35 | 17 | 17 | 4 | 15 | 41 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 3.34 |
| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 92 | 6 | 6 | 2 | 3 | 5.35 | .303 | 1.30 | 9.0 | 2.8 | 8.2 | 35.1 | 35 | 21 | 21 | 2 | 11 | 32 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 2.86 |
| SP | Nelson, R.Nelson, Roger # >> | 28 | 1972 | R | 85 | 6 | 6 | 3 | 3 | 4.72 | .285 | 1.19 | 9.5 | 1.3 | 4.2 | 34.1 | 36 | 22 | 18 | 9 | 5 | 16 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 5.94 |
| SP | Cueto, J.Cueto, Johnny >> | 28 | 2014 | R | 75 | 6 | 6 | 5 | 0 | 3.48 | .303 | 1.31 | 8.6 | 3.3 | 7.0 | 41.1 | 39 | 16 | 16 | 2 | 15 | 32 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 3.17 |
| SP | Fernandez, S.Fernandez, Sid >> | 23 | 1985 | L | 49 | 6 | 6 | 1 | 3 | 5.02 | .327 | 1.46 | 9.0 | 4.4 | 8.3 | 37.2 | 37 | 21 | 21 | 8 | 18 | 34 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 5.43 |
| CL | Feliz, N.Feliz, Neftali >> | 21 | 2009 | R | 97 | 11 | 0 | 0 | 1 | 2.45 | .254 | 1.02 | 7.1 | 2.6 | 9.6 | 14.2 | 11 | 4 | 4 | 0 | 4 | 15 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 1.71 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 15 | 0 | 0 | 3 | 4.97 | .296 | 1.26 | 9.8 | 2.3 | 6.0 | 12.2 | 13 | 8 | 7 | 4 | 3 | 8 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 6.75 |
| RP | Capps, C.Capps, Carter >> | 24 | 2015 | R | 84 | 9 | 0 | 0 | 0 | 4.32 | .219 | 0.84 | 6.8 | 1.1 | 11.3 | 8.1 | 6 | 4 | 4 | 2 | 1 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.13 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 7 | 0 | 0 | 1 | 8.53 | .345 | 1.58 | 9.0 | 6.0 | 10.5 | 6.1 | 6 | 6 | 6 | 1 | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.83 |
| RP | Sutter, B.Sutter, Bruce >> | 24 | 1977 | R | 68 | 6 | 0 | 0 | 0 | 0.00 | .227 | 0.88 | 7.2 | 1.8 | 0.0 | 5.2 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.60 |