| SP | Arrieta, J.Arrieta, Jake # >> | 29 | 2015 | R | 92 | 5 | 5 | 1 | 3 | 5.90 | .370 | 1.76 | 10.9 | 5.0 | 5.0 | 29.0 | 35 | 20 | 19 | 1 | 16 | 16 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 4.00 |
| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 94 | 5 | 5 | 5 | 0 | 1.95 | .245 | 0.97 | 6.6 | 2.2 | 5.8 | 37.0 | 27 | 8 | 8 | 0 | 9 | 24 | 1 | 0 | 0 | 0 | 5 | 0 | 1 | 2.43 |
| SP | Hernandez, F.Hernandez, Felix >> | 28 | 2014 | R | 80 | 5 | 5 | 2 | 3 | 5.19 | .322 | 1.38 | 10.0 | 2.4 | 11.1 | 26.0 | 29 | 22 | 15 | 4 | 7 | 32 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 3.46 |
| CL | Chapman, A.Chapman, Aroldis >> | 26 | 2014 | L | 94 | 9 | 0 | 1 | 0 | 0.00 | .265 | 1.08 | 3.4 | 6.8 | 10.1 | 8.1 | 3 | 0 | 0 | 0 | 6 | 9 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 3.00 |
| SU | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 92 | 9 | 0 | 1 | 0 | 1.74 | .225 | 0.77 | 5.4 | 1.8 | 9.0 | 10.1 | 6 | 2 | 2 | 2 | 2 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4.50 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 80 | 9 | 0 | 0 | 0 | 4.50 | .357 | 1.67 | 11.3 | 3.8 | 9.8 | 12.0 | 15 | 6 | 6 | 1 | 5 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.17 |
| RP | Betancourt, R.Betancourt, Rafael >> | 32 | 2007 | R | 76 | 5 | 0 | 0 | 0 | 2.45 | .313 | 1.36 | 12.0 | 3.0 | 9.0 | 3.2 | 4 | 1 | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.00 |
| RP | Hoffman, T.Hoffman, Trevor >> | 31 | 1998 | R | 75 | 1 | 0 | 0 | 0 | 6.75 | .333 | 1.50 | 18.0 | 0.0 | 9.0 | 1.1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1.00 |
| RP | Gregerson, L.Gregerson, Luke >> | 26 | 2010 | R | 73 | 2 | 0 | 0 | 0 | 0.00 | .429 | 2.25 | 9.0 | 18.0 | 18.0 | 1.1 | 1 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.00 |