| SP | Peralta, F.Peralta, Freddy >> | 22 | 2018 | R | 91 | 32 | 32 | 14 | 10 | 2.90 | .254 | 0.97 | 5.3 | 3.5 | 10.7 | 177.0 | 104 | 60 | 57 | 18 | 68 | 210 | 1 | 0 | 0 | 1 | 0 | 9 | 5 | 3.25 |
| SP | Anderson, C.Anderson, Chase >> | 30 | 2018 | R | 71 | 32 | 32 | 10 | 4 | 2.81 | .294 | 1.23 | 7.7 | 3.5 | 8.1 | 150.2 | 128 | 60 | 47 | 17 | 58 | 135 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3.87 |
| SP | Chacin, J.Chacin, Jhoulys # >> | 30 | 2018 | R | 77 | 32 | 32 | 3 | 10 | 5.06 | .329 | 1.45 | 9.0 | 4.1 | 8.5 | 147.2 | 147 | 88 | 83 | 28 | 67 | 139 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 5.01 |
| SP | Miley, W.Miley, Wade # >> | 31 | 2018 | L | 60 | 32 | 32 | 4 | 12 | 5.01 | .313 | 1.35 | 9.5 | 2.6 | 7.2 | 142.0 | 150 | 92 | 79 | 32 | 41 | 114 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 5.25 |
| RP | Jeffress, J.Jeffress, Jeremy >> | 30 | 2018 | R | 90 | 54 | 0 | 1 | 1 | 2.62 | .242 | 0.93 | 5.4 | 2.9 | 10.9 | 58.1 | 35 | 18 | 17 | 5 | 19 | 70 | 0 | 6 | 6 | 0 | 0 | 2 | 3 | 2.79 |
| RP | Knebel, C.Knebel, Corey >> | 26 | 2018 | R | 86 | 86 | 0 | 12 | 2 | 3.16 | .277 | 1.11 | 7.2 | 2.8 | 13.3 | 114.0 | 91 | 43 | 40 | 12 | 36 | 168 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2.47 |
| RP | Burnes, C.Burnes, Corbin >> | 23 | 2018 | R | 83 | 80 | 0 | 11 | 2 | 1.38 | .230 | 0.88 | 5.6 | 2.3 | 8.7 | 124.0 | 77 | 22 | 19 | 8 | 32 | 120 | 0 | 1 | 4 | 0 | 0 | 2 | 3 | 2.73 |
| RP | Soria, J.Soria, Joakim >> | 34 | 2018 | R | 69 | 66 | 0 | 5 | 2 | 2.12 | .224 | 0.84 | 5.1 | 2.6 | 9.9 | 80.2 | 45 | 20 | 19 | 6 | 23 | 88 | 0 | 5 | 0 | 0 | 0 | 2 | 1 | 2.71 |
| RP | Woodruff, B.Woodruff, Brandon >> | 25 | 2018 | R | 67 | 53 | 0 | 2 | 2 | 2.61 | .277 | 1.13 | 7.0 | 3.2 | 11.5 | 82.2 | 64 | 26 | 24 | 8 | 29 | 105 | 0 | 0 | 3 | 0 | 0 | 2 | 0 | 2.84 |
| SP | Gonzalez, G.Gonzalez, Gio >> | 33 | 2018 | L | 32 | 40 | 5 | 13 | 2 | 4.10 | .298 | 1.27 | 7.8 | 3.7 | 9.0 | 138.1 | 119 | 67 | 63 | 17 | 56 | 138 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 3.84 |
| SP | Davies, Z.Davies, Zach >> | 25 | 2018 | R | 37 | 2 | 1 | 1 | 0 | 1.17 | .343 | 1.57 | 10.3 | 5.1 | 9.0 | 7.2 | 8 | 4 | 1 | 0 | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.71 |