| SP | Greinke, Z.Greinke, Zack # >> | 32 | 2015 | R | 93 | 32 | 32 | 18 | 10 | 2.91 | .249 | 0.99 | 7.0 | 1.9 | 6.4 | 219.2 | 170 | 78 | 71 | 19 | 47 | 156 | 5 | 0 | 0 | 2 | 20 | 2 | 4 | 3.37 |
| SP | Snell, B.Snell, Blake † >> | 25 | 2018 | L | 89 | 34 | 34 | 12 | 7 | 3.90 | .302 | 1.28 | 7.8 | 3.8 | 8.5 | 175.1 | 151 | 78 | 76 | 22 | 74 | 165 | 1 | 0 | 0 | 0 | 5 | 3 | 3 | 4.07 |
| SP | Higuera, T.Higuera, Teddy >> | 30 | 1988 | L | 66 | 34 | 18 | 11 | 6 | 3.43 | .279 | 1.14 | 7.1 | 3.2 | 6.7 | 149.2 | 117 | 57 | 57 | 18 | 53 | 111 | 1 | 1 | 0 | 1 | 10 | 4 | 0 | 4.23 |
| CL | Kimbrel, C.Kimbrel, Craig † >> | 24 | 2012 | R | 100 | 76 | 0 | 4 | 6 | 3.18 | .282 | 1.14 | 5.9 | 4.3 | 11.2 | 85.0 | 56 | 32 | 30 | 6 | 41 | 106 | 0 | 42 | 5 | 0 | 0 | 3 | 4 | 2.98 |
| SU | Miller, A.Miller, Andrew >> | 31 | 2016 | L | 90 | 76 | 0 | 4 | 1 | 2.32 | .234 | 0.87 | 6.0 | 1.9 | 9.9 | 89.1 | 59 | 23 | 23 | 7 | 19 | 98 | 0 | 8 | 9 | 0 | 0 | 4 | 1 | 2.60 |
| RP | Saito, T.Saito, Takashi >> | 37 | 2007 | R | 89 | 85 | 0 | 10 | 6 | 2.74 | .254 | 1.00 | 6.5 | 2.5 | 9.4 | 105.0 | 76 | 36 | 32 | 11 | 29 | 110 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 3.15 |
| RP | Gossage, R.Gossage, Rich >> | 30 | 1981 | R | 87 | 75 | 0 | 8 | 1 | 2.21 | .274 | 1.06 | 6.3 | 3.3 | 8.0 | 93.2 | 65 | 28 | 23 | 10 | 34 | 83 | 0 | 2 | 2 | 0 | 0 | 7 | 2 | 3.94 |
| RP | Percival, T.Percival, Troy >> | 26 | 1995 | R | 80 | 60 | 0 | 4 | 2 | 2.89 | .295 | 1.22 | 6.8 | 4.3 | 9.7 | 65.1 | 49 | 23 | 21 | 6 | 31 | 70 | 0 | 2 | 1 | 0 | 0 | 2 | 1 | 3.57 |
| RP | Holland, G.Holland, Greg >> | 27 | 2013 | R | 69 | 5 | 0 | 0 | 1 | 20.25 | .556 | 3.75 | 22.5 | 11.3 | 15.8 | 4.0 | 10 | 9 | 9 | 2 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.75 |
| RP | Marmol, C.Marmol, Carlos >> | 26 | 2008 | R | 68 | 1 | 0 | 0 | 0 | 0.00 | .286 | 1.20 | 0.0 | 18.0 | 18.0 | 1.2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.00 |
| SP | Carlton, S.Carlton, Steve >> | 28 | 1972 | L | 69 | 38 | 17 | 15 | 6 | 3.84 | .295 | 1.24 | 8.5 | 2.6 | 6.8 | 192.1 | 182 | 87 | 82 | 28 | 56 | 145 | 1 | 0 | 0 | 1 | 8 | 4 | 2 | 4.32 |