| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 94 | 23 | 23 | 7 | 8 | 4.38 | .290 | 1.22 | 8.4 | 2.7 | 4.9 | 141.2 | 131 | 70 | 69 | 16 | 42 | 77 | 2 | 0 | 0 | 0 | 12 | 1 | 3 | 4.30 |
| SP | Johnson, R.Johnson, Randy >> | 41 | 2004 | L | 84 | 22 | 22 | 10 | 6 | 3.20 | .305 | 1.29 | 8.5 | 3.1 | 8.3 | 143.1 | 135 | 57 | 51 | 14 | 50 | 132 | 1 | 0 | 0 | 1 | 16 | 4 | 0 | 3.56 |
| SP | Richard, J.Richard, J.R. # >> | 30 | 1980 | R | 90 | 20 | 18 | 8 | 5 | 3.81 | .306 | 1.31 | 7.7 | 4.1 | 5.9 | 115.2 | 98 | 52 | 49 | 6 | 53 | 75 | 1 | 0 | 0 | 1 | 12 | 2 | 0 | 3.81 |
| RP | Broxton, J.Broxton, Jonathan >> | 25 | 2009 | R | 62 | 49 | 0 | 3 | 1 | 4.44 | .336 | 1.50 | 8.7 | 5.0 | 10.0 | 52.2 | 50 | 30 | 26 | 6 | 29 | 58 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 4.00 |
| RP | Devine, J.Devine, Joey >> | 25 | 2008 | R | 80 | 57 | 0 | 5 | 1 | 4.75 | .329 | 1.47 | 8.5 | 4.8 | 7.5 | 53.0 | 50 | 31 | 28 | 7 | 28 | 44 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 4.64 |
| SU | Eckersley, D.Eckersley, Dennis >> | 36 | 1990 | R | 88 | 48 | 0 | 1 | 4 | 3.57 | .277 | 1.15 | 8.2 | 2.2 | 8.3 | 53.0 | 48 | 22 | 21 | 6 | 13 | 49 | 0 | 4 | 4 | 0 | 0 | 0 | 0 | 3.36 |
| CL | Hader, J.Hader, Josh † >> | 24 | 2018 | L | 93 | 54 | 0 | 2 | 3 | 2.77 | .269 | 1.08 | 4.7 | 5.1 | 9.2 | 55.1 | 29 | 17 | 17 | 3 | 31 | 56 | 0 | 29 | 3 | 0 | 0 | 1 | 0 | 3.42 |