| SP | Richard, J.Richard, J.R. $ >> | 30 | 1980 | R | 90 | 7 | 7 | 3 | 3 | 2.22 | .251 | 0.97 | 6.6 | 2.3 | 8.0 | 52.2 | 38 | 13 | 13 | 5 | 13 | 46 | 2 | 0 | 0 | 1 | 6 | 2 | 1 | 3.35 |
| SP | Marichal, J.Marichal, Juan >> | 29 | 1966 | R | 77 | 7 | 7 | 4 | 2 | 3.46 | .271 | 1.12 | 8.1 | 1.9 | 3.8 | 52.0 | 47 | 20 | 20 | 8 | 11 | 22 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 4.79 |
| SP | Lundgren, C.Lundgren, Carl >> | 27 | 1907 | R | 43 | 7 | 7 | 6 | 0 | 2.32 | .281 | 1.13 | 5.6 | 4.7 | 5.2 | 50.1 | 31 | 13 | 13 | 2 | 26 | 29 | 1 | 0 | 0 | 0 | 6 | 2 | 0 | 4.04 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 18 | 0 | 1 | 1 | 2.52 | .227 | 0.88 | 6.5 | 1.4 | 9.0 | 25.0 | 18 | 7 | 7 | 2 | 4 | 25 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 2.52 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 14 | 0 | 1 | 0 | 1.89 | .219 | 0.84 | 5.7 | 1.9 | 8.5 | 19.0 | 12 | 4 | 4 | 1 | 4 | 18 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 2.42 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 83 | 9 | 0 | 1 | 1 | 3.72 | .237 | 0.83 | 5.0 | 3.0 | 5.0 | 9.2 | 5 | 4 | 4 | 1 | 3 | 5 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 4.67 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 4 | 0 | 0 | 1 | 3.38 | .304 | 1.31 | 7.2 | 5.4 | 9.0 | 5.1 | 4 | 2 | 2 | 0 | 3 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2.80 |
| RP | Marmol, C.Marmol, Carlos >> | 26 | 2008 | R | 71 | 6 | 0 | 0 | 0 | 3.86 | .250 | 1.00 | 3.9 | 5.1 | 12.9 | 7.0 | 3 | 3 | 3 | 1 | 4 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.71 |