| SP | Greinke, Z.Greinke, Zack >> | 32 | 2015 | R | 92 | 11 | 11 | 4 | 4 | 3.07 | .246 | 0.98 | 6.7 | 2.2 | 6.9 | 70.1 | 52 | 24 | 24 | 11 | 17 | 54 | 3 | 0 | 0 | 0 | 7 | 0 | 0 | 4.23 |
| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 95 | 11 | 11 | 2 | 5 | 4.40 | .290 | 1.21 | 8.1 | 2.8 | 9.4 | 61.1 | 55 | 30 | 30 | 9 | 19 | 64 | 1 | 0 | 0 | 1 | 5 | 1 | 3 | 3.80 |
| SP | Tanaka, M.Tanaka, Masahiro >> | 26 | 2015 | R | 70 | 11 | 11 | 1 | 6 | 4.53 | .375 | 1.79 | 10.9 | 5.4 | 6.0 | 57.2 | 69 | 35 | 29 | 9 | 34 | 38 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 5.56 |
| SP | Weaver, J.Weaver, Jered # >> | 29 | 2011 | R | 71 | 11 | 11 | 4 | 3 | 5.92 | .351 | 1.52 | 10.5 | 3.4 | 7.3 | 48.2 | 56 | 35 | 32 | 8 | 18 | 39 | 1 | 0 | 0 | 1 | 3 | 5 | 1 | 4.98 |
| SP | Iwakuma, H.Iwakuma, Hisashi >> | 32 | 2013 | R | 64 | 10 | 10 | 2 | 5 | 5.02 | .319 | 1.40 | 8.7 | 4.0 | 6.9 | 52.0 | 50 | 32 | 29 | 6 | 23 | 40 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 4.29 |
| RP | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 100 | 26 | 0 | 2 | 2 | 5.06 | .304 | 1.28 | 8.7 | 2.8 | 11.3 | 32.0 | 31 | 18 | 18 | 4 | 10 | 40 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 3.16 |
| RP | Doolittle, S.Doolittle, Sean >> | 31 | 2018 | L | 99 | 24 | 0 | 2 | 1 | 3.41 | .228 | 0.85 | 5.5 | 2.3 | 10.5 | 31.2 | 19 | 12 | 12 | 3 | 8 | 36 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 2.81 |
| RP | Sanchez, A.Sanchez, Aaron >> | 21 | 2014 | R | 91 | 17 | 0 | 2 | 0 | 3.12 | .304 | 1.27 | 7.3 | 4.2 | 6.9 | 26.0 | 21 | 9 | 9 | 5 | 12 | 20 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 5.46 |
| RP | Rodney, F.Rodney, Fernando >> | 35 | 2012 | R | 82 | 17 | 0 | 1 | 0 | 3.60 | .286 | 1.15 | 7.2 | 3.2 | 8.1 | 20.0 | 16 | 8 | 8 | 1 | 7 | 18 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 3.05 |
| RP | Melancon, M.Melancon, Mark >> | 30 | 2015 | R | 35 | 8 | 0 | 0 | 0 | 3.12 | .366 | 1.73 | 12.4 | 4.5 | 5.6 | 8.2 | 11 | 3 | 3 | 1 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.88 |