| SP | Arrieta, J.Arrieta, Jake # $$ >> | 29 | 2015 | R | 93 | 29 | 29 | 8 | 16 | 4.83 | .289 | 1.21 | 8.4 | 2.5 | 7.6 | 205.0 | 191 | 115 | 110 | 24 | 57 | 174 | 7 | 0 | 0 | 2 | 15 | 2 | 7 | 3.69 |
| SP | Alexander, P.Alexander, Pete $$ >> | 28 | 1915 | R | 88 | 28 | 28 | 13 | 8 | 4.58 | .315 | 1.37 | 9.6 | 2.7 | 4.9 | 204.1 | 218 | 114 | 104 | 23 | 62 | 110 | 4 | 0 | 0 | 0 | 13 | 2 | 1 | 4.33 |
| SP | Snell, B.Snell, Blake $$ >> | 25 | 2018 | L | 80 | 28 | 28 | 13 | 10 | 4.87 | .330 | 1.47 | 8.8 | 4.4 | 8.3 | 166.1 | 163 | 94 | 90 | 20 | 82 | 153 | 1 | 0 | 0 | 1 | 12 | 1 | 18 | 4.22 |
| SP | Pfiester, J.Pfiester, Jack >> | 28 | 1906 | L | 73 | 27 | 26 | 14 | 10 | 4.22 | .313 | 1.37 | 8.9 | 3.5 | 4.3 | 192.0 | 189 | 96 | 90 | 24 | 74 | 91 | 4 | 0 | 0 | 1 | 15 | 0 | 9 | 4.83 |
| RP | Devine, J.Devine, Joey # >> | 25 | 2008 | R | 81 | 61 | 0 | 3 | 4 | 6.04 | .347 | 1.60 | 10.5 | 3.9 | 7.1 | 67.0 | 78 | 46 | 45 | 10 | 29 | 53 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 4.66 |
| RP | Hoffman, T.Hoffman, Trevor >> | 31 | 1998 | R | 75 | 52 | 0 | 4 | 3 | 3.83 | .311 | 1.31 | 8.0 | 3.8 | 7.7 | 54.0 | 48 | 24 | 23 | 2 | 23 | 46 | 0 | 0 | 3 | 0 | 0 | 2 | 6 | 3.17 |
| RP | Sutter, B.Sutter, Bruce >> | 24 | 1977 | R | 67 | 37 | 0 | 2 | 3 | 5.59 | .329 | 1.45 | 9.9 | 3.3 | 9.7 | 38.2 | 42 | 27 | 24 | 4 | 14 | 41 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 3.39 |
| CL | Kimbrel, C.Kimbrel, Craig † $$ >> | 24 | 2012 | R | 100 | 49 | 0 | 1 | 4 | 3.83 | .302 | 1.24 | 6.2 | 5.0 | 12.7 | 49.1 | 34 | 21 | 21 | 5 | 27 | 69 | 0 | 31 | 4 | 0 | 0 | 3 | 4 | 3.35 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 83 | 36 | 0 | 3 | 0 | 3.30 | .288 | 1.19 | 6.9 | 4.0 | 9.6 | 43.2 | 33 | 18 | 16 | 4 | 19 | 46 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 3.47 |
| SP | Clemens, R.Clemens, Roger >> | 24 | 1986 | R | 69 | 5 | 0 | 0 | 2 | 5.54 | .350 | 1.62 | 8.3 | 6.2 | 3.5 | 13.0 | 12 | 8 | 8 | 3 | 9 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 7.31 |