| SP | Kershaw, C.Kershaw, Clayton >> | 28 | 2016 | L | 99 | 13 | 13 | 7 | 5 | 3.15 | .255 | 1.00 | 7.8 | 1.2 | 9.3 | 94.1 | 81 | 39 | 33 | 10 | 13 | 97 | 4 | 0 | 0 | 1 | 10 | 3 | 3 | 2.83 |
| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 13 | 13 | 8 | 2 | 3.54 | .307 | 1.25 | 6.8 | 4.6 | 7.6 | 81.1 | 61 | 33 | 32 | 8 | 41 | 68 | 0 | 0 | 0 | 0 | 8 | 6 | 0 | 4.35 |
| SP | Hernandez, F.Hernandez, Felix >> | 28 | 2014 | R | 79 | 14 | 13 | 5 | 6 | 5.88 | .358 | 1.68 | 11.1 | 4.1 | 7.0 | 59.2 | 73 | 39 | 39 | 9 | 27 | 46 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 4.80 |
| SP | Marichal, J.Marichal, Juan # >> | 29 | 1966 | R | 76 | 13 | 13 | 5 | 5 | 4.29 | .306 | 1.31 | 9.2 | 2.6 | 4.0 | 86.0 | 88 | 45 | 41 | 15 | 25 | 38 | 2 | 0 | 0 | 0 | 6 | 1 | 0 | 5.29 |
| CL | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 32 | 0 | 2 | 3 | 3.29 | .303 | 1.23 | 9.0 | 2.1 | 9.7 | 38.1 | 38 | 15 | 14 | 3 | 9 | 41 | 0 | 14 | 1 | 0 | 0 | 3 | 0 | 2.82 |
| SU | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 31 | 0 | 1 | 0 | 3.20 | .298 | 1.27 | 7.2 | 4.4 | 8.1 | 39.1 | 31 | 15 | 14 | 6 | 19 | 35 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 4.67 |
| RP | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 37 | 0 | 0 | 1 | 2.54 | .277 | 1.09 | 6.7 | 3.1 | 10.8 | 46.0 | 34 | 13 | 13 | 3 | 16 | 55 | 0 | 2 | 0 | 0 | 0 | 3 | 3 | 2.70 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 82 | 31 | 0 | 1 | 0 | 6.19 | .299 | 1.28 | 7.6 | 3.9 | 7.3 | 32.0 | 27 | 22 | 22 | 6 | 14 | 26 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 5.13 |
| RP | Pagan, E.Pagan, Emilio >> | 28 | 2019 | R | 77 | 22 | 0 | 2 | 0 | 2.84 | .327 | 1.46 | 9.0 | 4.3 | 11.5 | 25.1 | 25 | 8 | 8 | 5 | 12 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4.48 |