| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 92 | 34 | 34 | 14 | 15 | 4.57 | .301 | 1.28 | 8.5 | 3.0 | 8.1 | 214.2 | 203 | 110 | 109 | 19 | 71 | 193 | 4 | 0 | 0 | 2 | 21 | 3 | 3 | 3.39 |
| SP | Iwakuma, H.Iwakuma, Hisashi >> | 32 | 2013 | R | 65 | 33 | 33 | 9 | 13 | 5.74 | .331 | 1.47 | 10.3 | 2.9 | 6.5 | 199.0 | 227 | 130 | 127 | 39 | 65 | 144 | 3 | 0 | 0 | 2 | 10 | 3 | 9 | 5.13 |
| SP | Corbin, P.Corbin, Patrick # >> | 28 | 2018 | L | 64 | 32 | 32 | 7 | 11 | 5.21 | .329 | 1.46 | 10.5 | 2.7 | 10.1 | 186.2 | 218 | 116 | 108 | 34 | 55 | 208 | 0 | 0 | 0 | 0 | 16 | 2 | 2 | 4.06 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 45 | 33 | 32 | 11 | 14 | 5.81 | .334 | 1.49 | 10.7 | 2.7 | 8.8 | 178.0 | 211 | 119 | 115 | 39 | 54 | 175 | 1 | 0 | 0 | 1 | 11 | 3 | 6 | 4.84 |
| RP | Chapman, A.Chapman, Aroldis # >> | 24 | 2012 | L | 94 | 105 | 0 | 1 | 2 | 4.57 | .305 | 1.31 | 8.3 | 3.6 | 10.3 | 88.2 | 81 | 53 | 45 | 8 | 35 | 101 | 0 | 6 | 4 | 0 | 0 | 1 | 4 | 3.11 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 45 | 86 | 0 | 5 | 7 | 3.90 | .312 | 1.31 | 9.1 | 2.7 | 7.6 | 97.0 | 98 | 42 | 42 | 10 | 29 | 82 | 0 | 5 | 3 | 0 | 0 | 5 | 0 | 3.70 |
| RP | Hernandez, D.Hernandez, David >> | 27 | 2012 | R | 32 | 78 | 0 | 3 | 0 | 4.63 | .288 | 1.18 | 7.3 | 3.3 | 10.7 | 81.2 | 66 | 42 | 42 | 16 | 30 | 96 | 0 | 8 | 1 | 0 | 0 | 3 | 2 | 4.42 |
| SP | Burnett, A.Burnett, A.J. >> | 36 | 2013 | R | 20 | 30 | 1 | 5 | 6 | 7.07 | .380 | 1.77 | 11.1 | 4.8 | 9.3 | 56.0 | 69 | 46 | 44 | 10 | 30 | 58 | 0 | 1 | 1 | 0 | 0 | 4 | 4 | 5.07 |