| SP | Greinke, Z.Greinke, Zack # >> | 32 | 2015 | R | 92 | 34 | 34 | 12 | 14 | 4.26 | .299 | 1.28 | 8.8 | 2.6 | 8.8 | 228.0 | 224 | 114 | 108 | 32 | 67 | 222 | 3 | 0 | 0 | 2 | 17 | 1 | 4 | 3.77 |
| SP | Hernandez, F.Hernandez, Felix † >> | 28 | 2014 | R | 88 | 33 | 33 | 15 | 13 | 4.34 | .315 | 1.35 | 9.1 | 3.0 | 9.2 | 220.0 | 223 | 113 | 106 | 35 | 74 | 225 | 4 | 0 | 0 | 1 | 19 | 6 | 6 | 4.11 |
| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 49 | 31 | 31 | 12 | 9 | 4.99 | .334 | 1.46 | 9.2 | 4.0 | 10.5 | 176.2 | 179 | 99 | 98 | 25 | 79 | 205 | 0 | 0 | 0 | 0 | 15 | 8 | 4 | 4.00 |
| RP | Kuo, H.Kuo, Hong-Chih † >> | 29 | 2010 | L | 93 | 84 | 0 | 8 | 3 | 2.93 | .261 | 1.02 | 5.5 | 3.7 | 10.0 | 123.0 | 75 | 40 | 40 | 9 | 50 | 137 | 0 | 6 | 4 | 0 | 0 | 5 | 6 | 3.07 |
| RP | Thornburg, T.Thornburg, Tyler >> | 27 | 2016 | R | 68 | 77 | 0 | 6 | 8 | 5.74 | .332 | 1.44 | 8.5 | 4.4 | 10.0 | 94.0 | 89 | 61 | 60 | 17 | 46 | 104 | 0 | 5 | 3 | 0 | 0 | 5 | 4 | 4.77 |
| RP | Papelbon, J.Papelbon, Jonathan >> | 34 | 2014 | R | 47 | 74 | 0 | 1 | 1 | 4.50 | .330 | 1.44 | 9.6 | 3.4 | 9.0 | 90.0 | 96 | 47 | 45 | 6 | 34 | 90 | 0 | 11 | 3 | 0 | 0 | 3 | 1 | 3.10 |
| RP | Knebel, C.Knebel, Corey >> | 25 | 2017 | R | 32 | 66 | 0 | 3 | 3 | 6.62 | .401 | 2.00 | 9.0 | 9.1 | 12.1 | 66.2 | 66 | 53 | 49 | 9 | 67 | 89 | 0 | 3 | 4 | 0 | 0 | 1 | 2 | 5.17 |
| RP | Bradley, A.Bradley, Archie >> | 24 | 2017 | R | 20 | 60 | 0 | 2 | 2 | 4.63 | .331 | 1.47 | 9.4 | 3.8 | 10.3 | 68.0 | 71 | 35 | 35 | 11 | 29 | 78 | 0 | 6 | 3 | 0 | 0 | 1 | 0 | 4.13 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 47 | 6 | 0 | 0 | 0 | 3.24 | .306 | 1.32 | 12.4 | 0.0 | 10.1 | 8.1 | 11 | 3 | 3 | 2 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.00 |
| SP | Bailey, H.Bailey, Homer >> | 27 | 2013 | R | 32 | 36 | 0 | 3 | 6 | 6.79 | .357 | 1.64 | 11.9 | 2.9 | 6.8 | 62.1 | 82 | 47 | 47 | 18 | 20 | 47 | 0 | 3 | 2 | 0 | 0 | 2 | 0 | 6.32 |