| SP | Arrieta, J.Arrieta, Jake >> | 29 | 2015 | R | 93 | 14 | 14 | 6 | 5 | 4.19 | .295 | 1.22 | 7.6 | 3.4 | 8.3 | 92.1 | 78 | 46 | 43 | 9 | 35 | 85 | 1 | 0 | 0 | 1 | 7 | 3 | 5 | 3.66 |
| SP | Alexander, P.Alexander, Pete $ >> | 28 | 1915 | R | 88 | 14 | 14 | 6 | 6 | 4.49 | .335 | 1.46 | 9.5 | 3.6 | 5.6 | 102.1 | 108 | 54 | 51 | 7 | 41 | 64 | 5 | 0 | 0 | 1 | 6 | 6 | 2 | 4.02 |
| SP | Greinke, Z.Greinke, Zack # >> | 32 | 2015 | R | 94 | 14 | 14 | 6 | 4 | 3.49 | .247 | 0.97 | 7.1 | 1.7 | 6.2 | 105.2 | 83 | 43 | 41 | 14 | 20 | 72 | 5 | 0 | 0 | 1 | 11 | 1 | 0 | 3.96 |
| SP | Snell, B.Snell, Blake $ >> | 25 | 2018 | L | 80 | 13 | 13 | 8 | 4 | 2.65 | .259 | 1.02 | 5.5 | 3.7 | 8.3 | 85.0 | 52 | 25 | 25 | 8 | 35 | 78 | 0 | 0 | 0 | 0 | 10 | 2 | 7 | 3.69 |
| SP | Fernandez, J.Fernandez, Jose >> | 21 | 2013 | R | 76 | 13 | 13 | 4 | 4 | 5.20 | .353 | 1.60 | 8.9 | 5.6 | 7.8 | 81.1 | 80 | 51 | 47 | 9 | 50 | 70 | 0 | 0 | 0 | 0 | 6 | 3 | 0 | 4.68 |
| RP | Uehara, K.Uehara, Koji >> | 38 | 2013 | R | 100 | 35 | 0 | 6 | 1 | 2.12 | .199 | 0.75 | 5.5 | 1.2 | 9.4 | 51.0 | 31 | 12 | 12 | 7 | 7 | 53 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3.12 |
| RP | Benitez, A.Benitez, Armando >> | 32 | 2004 | R | 81 | 23 | 0 | 2 | 3 | 2.42 | .257 | 1.00 | 7.3 | 1.7 | 6.2 | 26.0 | 21 | 7 | 7 | 1 | 5 | 18 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 2.81 |
| RP | Balfour, G.Balfour, Grant >> | 31 | 2008 | R | 74 | 14 | 0 | 1 | 0 | 4.60 | .319 | 1.40 | 9.0 | 4.2 | 6.6 | 15.2 | 15 | 8 | 8 | 1 | 7 | 11 | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 3.80 |
| RP | Soria, J.Soria, Joakim >> | 24 | 2008 | R | 68 | 6 | 0 | 0 | 0 | 9.00 | .444 | 2.40 | 16.2 | 5.4 | 9.0 | 5.0 | 9 | 5 | 5 | 3 | 3 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 10.60 |