| SP | Johnson, W.Johnson, Walter >> | 26 | 1913 | R | 95 | 23 | 23 | 12 | 8 | 3.77 | .284 | 1.18 | 7.7 | 2.9 | 4.8 | 174.1 | 148 | 74 | 73 | 22 | 57 | 93 | 5 | 0 | 0 | 1 | 13 | 2 | 3 | 4.59 |
| SP | Richard, J.Richard, J.R. >> | 30 | 1980 | R | 90 | 22 | 22 | 7 | 8 | 3.17 | .301 | 1.29 | 6.8 | 4.8 | 7.2 | 156.1 | 117 | 57 | 55 | 11 | 84 | 125 | 1 | 0 | 0 | 1 | 15 | 1 | 4 | 3.95 |
| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 94 | 21 | 21 | 12 | 7 | 4.36 | .312 | 1.33 | 9.1 | 2.9 | 6.0 | 144.1 | 146 | 74 | 70 | 22 | 46 | 96 | 6 | 0 | 0 | 2 | 12 | 4 | 4 | 4.69 |
| SP | Hernandez, F.Hernandez, Felix † # >> | 28 | 2014 | R | 79 | 21 | 21 | 14 | 3 | 2.94 | .249 | 0.97 | 6.8 | 1.9 | 6.9 | 171.2 | 130 | 57 | 56 | 17 | 36 | 131 | 4 | 0 | 0 | 0 | 13 | 5 | 9 | 3.48 |
| RP | Jansen, K.Jansen, Kenley >> | 28 | 2016 | R | 97 | 59 | 0 | 4 | 3 | 3.64 | .293 | 1.21 | 8.2 | 2.8 | 10.5 | 64.1 | 58 | 27 | 26 | 4 | 20 | 75 | 0 | 11 | 2 | 0 | 0 | 2 | 1 | 2.50 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 27 | 2007 | R | 92 | 35 | 0 | 3 | 3 | 3.32 | .244 | 0.92 | 4.6 | 3.8 | 8.4 | 43.1 | 22 | 16 | 16 | 3 | 18 | 40 | 0 | 7 | 2 | 0 | 0 | 2 | 0 | 3.44 |
| RP | Rivera, M.Rivera, Mariano >> | 39 | 2008 | R | 85 | 19 | 0 | 0 | 2 | 4.32 | .351 | 1.56 | 12.4 | 2.3 | 9.0 | 16.2 | 22 | 8 | 8 | 1 | 4 | 16 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 2.75 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 79 | 18 | 0 | 0 | 1 | 3.74 | .253 | 0.97 | 6.4 | 2.6 | 9.9 | 21.2 | 15 | 9 | 9 | 3 | 6 | 23 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 3.67 |