| SP | Martinez, P.Martinez, Pedro $$ >> | 29 | 2000 | R | 100 | 34 | 34 | 11 | 10 | 3.70 | .304 | 1.29 | 9.0 | 2.7 | 8.6 | 226.1 | 226 | 99 | 93 | 20 | 67 | 215 | 5 | 0 | 0 | 0 | 20 | 4 | 3 | 3.19 |
| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 93 | 33 | 33 | 12 | 10 | 4.07 | .323 | 1.40 | 9.0 | 3.6 | 7.9 | 210.0 | 210 | 108 | 95 | 21 | 85 | 185 | 2 | 0 | 0 | 0 | 18 | 6 | 1 | 3.84 |
| SP | Greinke, Z.Greinke, Zack # >> | 32 | 2015 | R | 94 | 33 | 32 | 12 | 12 | 4.93 | .313 | 1.36 | 10.0 | 2.3 | 5.7 | 180.2 | 200 | 103 | 99 | 30 | 45 | 114 | 5 | 0 | 0 | 0 | 16 | 2 | 2 | 4.68 |
| SP | Johnson, R.Johnson, Randy >> | 41 | 2004 | L | 84 | 32 | 32 | 16 | 12 | 4.16 | .309 | 1.31 | 9.1 | 2.7 | 7.2 | 192.2 | 194 | 105 | 89 | 24 | 58 | 154 | 3 | 0 | 0 | 1 | 18 | 6 | 6 | 4.02 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 33 | 31 | 10 | 6 | 5.50 | .351 | 1.58 | 9.5 | 4.7 | 7.3 | 155.1 | 164 | 101 | 95 | 22 | 81 | 125 | 0 | 1 | 0 | 0 | 11 | 7 | 7 | 4.94 |
| CL | Jansen, K.Jansen, Kenley † # >> | 28 | 2016 | R | 97 | 92 | 0 | 9 | 5 | 4.97 | .320 | 1.38 | 9.4 | 3.2 | 9.6 | 99.2 | 103 | 63 | 55 | 14 | 35 | 106 | 0 | 34 | 5 | 0 | 0 | 3 | 3 | 3.85 |
| SU | Chapman, A.Chapman, Aroldis >> | 26 | 2014 | L | 92 | 86 | 0 | 5 | 1 | 2.82 | .309 | 1.31 | 5.9 | 5.9 | 9.1 | 105.1 | 69 | 36 | 33 | 3 | 69 | 106 | 0 | 3 | 3 | 0 | 0 | 3 | 7 | 3.41 |
| RP | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 90 | 92 | 0 | 5 | 5 | 4.76 | .329 | 1.40 | 8.4 | 4.3 | 7.1 | 109.2 | 102 | 62 | 58 | 14 | 52 | 86 | 0 | 3 | 5 | 0 | 0 | 7 | 6 | 4.72 |
| RP | Soriano, R.Soriano, Rafael >> | 24 | 2003 | R | 84 | 88 | 0 | 6 | 5 | 4.73 | .305 | 1.29 | 8.5 | 3.3 | 8.7 | 83.2 | 78 | 45 | 44 | 13 | 30 | 80 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 4.27 |
| RP | Treinen, B.Treinen, Blake >> | 30 | 2018 | R | 79 | 64 | 0 | 6 | 3 | 4.39 | .328 | 1.44 | 8.0 | 5.0 | 10.0 | 80.0 | 71 | 45 | 39 | 7 | 44 | 89 | 0 | 2 | 0 | 0 | 0 | 2 | 3 | 3.64 |