| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 92 | 15 | 15 | 6 | 4 | 3.78 | .296 | 1.21 | 8.7 | 2.2 | 8.0 | 102.1 | 99 | 45 | 43 | 14 | 25 | 91 | 2 | 0 | 0 | 1 | 11 | 5 | 2 | 3.88 |
| SP | Hernandez, F.Hernandez, Felix >> | 28 | 2014 | R | 88 | 14 | 14 | 7 | 2 | 3.31 | .295 | 1.24 | 8.8 | 2.4 | 9.2 | 98.0 | 96 | 38 | 36 | 10 | 26 | 100 | 0 | 0 | 0 | 0 | 9 | 1 | 3 | 3.11 |
| SP | Oswalt, R.Oswalt, Roy # >> | 33 | 2010 | R | 68 | 14 | 14 | 6 | 5 | 6.08 | .336 | 1.51 | 10.9 | 2.7 | 8.5 | 77.0 | 93 | 53 | 52 | 17 | 23 | 73 | 0 | 0 | 0 | 0 | 6 | 1 | 0 | 4.91 |
| SP | Morton, C.Morton, Charlie >> | 36 | 2019 | R | 56 | 16 | 13 | 7 | 3 | 4.73 | .310 | 1.34 | 8.7 | 3.4 | 8.6 | 80.0 | 77 | 42 | 42 | 7 | 30 | 76 | 1 | 1 | 0 | 0 | 6 | 1 | 1 | 3.40 |
| CL | Kimbrel, C.Kimbrel, Craig >> | 29 | 2017 | R | 100 | 38 | 0 | 0 | 2 | 3.26 | .322 | 1.42 | 8.8 | 4.3 | 10.9 | 38.2 | 37 | 14 | 14 | 4 | 18 | 46 | 0 | 23 | 3 | 0 | 0 | 0 | 0 | 3.37 |
| SU | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 35 | 0 | 1 | 4 | 5.84 | .335 | 1.51 | 9.0 | 4.6 | 9.7 | 37.0 | 37 | 24 | 24 | 4 | 19 | 40 | 0 | 1 | 3 | 0 | 0 | 0 | 7 | 3.78 |
| RP | Rivera, M.Rivera, Mariano >> | 42 | 2011 | R | 39 | 23 | 0 | 3 | 1 | 2.21 | .315 | 1.38 | 10.4 | 2.3 | 8.1 | 20.1 | 23 | 5 | 5 | 1 | 5 | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2.60 |
| RP | Perkins, G.Perkins, Glen >> | 30 | 2013 | L | 46 | 33 | 0 | 2 | 0 | 1.95 | .224 | 0.87 | 4.7 | 3.3 | 11.0 | 27.2 | 14 | 6 | 6 | 0 | 10 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.67 |
| RP | Barraclough, K.Barraclough, Kyle >> | 26 | 2016 | R | 28 | 6 | 0 | 2 | 0 | 9.45 | .459 | 2.55 | 9.0 | 16.5 | 13.5 | 6.2 | 6 | 7 | 7 | 1 | 11 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.67 |
| SP | Bauer, T.Bauer, Trevor >> | 27 | 2018 | R | 61 | 11 | 2 | 3 | 0 | 2.79 | .310 | 1.27 | 7.3 | 4.3 | 7.8 | 38.2 | 31 | 15 | 12 | 1 | 18 | 33 | 0 | 1 | 0 | 0 | 0 | 3 | 3 | 3.26 |