| SP | Arrieta, J.Arrieta, Jake # $$ >> | 29 | 2015 | R | 95 | 29 | 29 | 17 | 8 | 4.08 | .275 | 1.11 | 7.6 | 2.4 | 9.9 | 178.2 | 151 | 81 | 81 | 25 | 48 | 196 | 3 | 0 | 0 | 0 | 16 | 4 | 2 | 3.50 |
| SP | Fernandez, S.Fernandez, Sid $$ >> | 23 | 1985 | L | 53 | 29 | 29 | 14 | 8 | 3.81 | .305 | 1.29 | 7.1 | 4.5 | 8.7 | 175.0 | 138 | 79 | 74 | 17 | 88 | 170 | 0 | 0 | 0 | 0 | 18 | 4 | 5 | 3.90 |
| SP | Johnson, R.Johnson, Randy >> | 41 | 2004 | L | 90 | 27 | 27 | 13 | 8 | 4.42 | .306 | 1.29 | 9.1 | 2.5 | 9.7 | 175.0 | 177 | 88 | 86 | 35 | 49 | 188 | 2 | 0 | 0 | 1 | 12 | 5 | 1 | 4.38 |
| SP | Buehler, W.Buehler, Walker >> | 23 | 2018 | R | 84 | 17 | 15 | 6 | 5 | 4.36 | .338 | 1.52 | 9.0 | 4.8 | 8.1 | 86.2 | 86 | 45 | 42 | 18 | 46 | 77 | 0 | 0 | 0 | 0 | 7 | 1 | 1 | 5.57 |
| RP | Urbina, U.Urbina, Ugueth >> | 24 | 1998 | R | 56 | 58 | 0 | 4 | 2 | 3.31 | .276 | 1.12 | 4.7 | 5.5 | 10.2 | 54.1 | 28 | 21 | 20 | 4 | 33 | 61 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 3.59 |
| RP | Britton, Z.Britton, Zach >> | 28 | 2016 | L | 76 | 76 | 0 | 1 | 1 | 1.41 | .265 | 1.07 | 6.0 | 3.7 | 8.7 | 63.2 | 42 | 11 | 10 | 3 | 26 | 61 | 0 | 2 | 0 | 0 | 0 | 1 | 9 | 2.97 |
| RP | Fingers, R.Fingers, Rollie >> | 35 | 1981 | R | 48 | 60 | 0 | 1 | 1 | 3.66 | .275 | 1.10 | 6.6 | 3.4 | 5.8 | 59.0 | 43 | 24 | 24 | 6 | 22 | 38 | 0 | 1 | 1 | 0 | 0 | 2 | 1 | 4.25 |
| RP | Boxberger, B.Boxberger, Brad >> | 26 | 2014 | R | 82 | 63 | 0 | 0 | 2 | 4.22 | .301 | 1.27 | 7.0 | 4.6 | 7.9 | 59.2 | 46 | 28 | 28 | 11 | 30 | 52 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 5.24 |
| RP | Dotel, O.Dotel, Octavio >> | 29 | 2002 | R | 66 | 42 | 0 | 3 | 0 | 4.04 | .301 | 1.23 | 9.3 | 2.1 | 10.0 | 35.2 | 36 | 16 | 16 | 6 | 8 | 39 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3.86 |
| RP | Miller, A.Miller, Andrew >> | 29 | 2014 | L | 86 | 54 | 0 | 3 | 0 | 3.92 | .283 | 1.16 | 7.7 | 2.9 | 9.7 | 41.1 | 35 | 18 | 18 | 10 | 13 | 44 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 5.05 |
| CL | Adams, M.Adams, Mike † >> | 31 | 2009 | R | 99 | 52 | 0 | 6 | 4 | 0.92 | .224 | 0.85 | 5.2 | 2.4 | 8.4 | 59.0 | 34 | 6 | 6 | 2 | 16 | 55 | 0 | 33 | 0 | 0 | 0 | 1 | 0 | 2.44 |