| SP | Fillmyer, H.Fillmyer, Heath >> | 24 | 2018 | R | 39 | 37 | 37 | 12 | 11 | 3.25 | .280 | 1.15 | 7.0 | 3.4 | 8.2 | 202.1 | 156 | 78 | 73 | 18 | 77 | 185 | 1 | 0 | 0 | 1 | 0 | 3 | 8 | 3.51 |
| SP | Keller, B.Keller, Brad >> | 22 | 2018 | R | 43 | 31 | 31 | 1 | 7 | 3.94 | .306 | 1.32 | 8.4 | 3.6 | 9.2 | 118.2 | 110 | 53 | 52 | 13 | 47 | 121 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3.58 |
| SP | Skoglund, E.Skoglund, Eric >> | 25 | 2018 | L | 56 | 24 | 24 | 10 | 6 | 2.31 | .272 | 1.10 | 7.2 | 2.8 | 7.5 | 132.1 | 105 | 40 | 34 | 10 | 41 | 110 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 3.30 |
| RP | Sparkman, G.Sparkman, Glenn >> | 26 | 2018 | R | 9 | 84 | 0 | 10 | 4 | 4.37 | .319 | 1.34 | 9.7 | 2.4 | 8.7 | 131.2 | 141 | 69 | 64 | 16 | 35 | 127 | 0 | 7 | 4 | 0 | 0 | 9 | 6 | 3.66 |
| RP | Maurer, B.Maurer, Brandon >> | 27 | 2018 | R | 7 | 41 | 0 | 1 | 4 | 7.68 | .347 | 1.57 | 9.8 | 4.5 | 11.0 | 36.1 | 39 | 32 | 31 | 10 | 18 | 44 | 0 | 7 | 0 | 0 | 0 | 1 | 4 | 5.75 |
| SP | Kennedy, I.Kennedy, Ian >> | 34 | 2018 | R | 30 | 0 | 0 | 0 | 0 | - | .000 | - | - | - | - | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
| RP | Peralta, W.Peralta, Wily >> | 29 | 2018 | R | 44 | 11 | 0 | 0 | 1 | 4.85 | .361 | 1.54 | 7.6 | 6.2 | 14.5 | 13.0 | 11 | 7 | 7 | 3 | 9 | 21 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5.31 |
| RP | McCarthy, K.McCarthy, Kevin >> | 26 | 2018 | R | 45 | 30 | 0 | 6 | 1 | 3.58 | .269 | 1.10 | 7.6 | 2.5 | 8.2 | 32.2 | 27 | 14 | 13 | 3 | 9 | 29 | 0 | 4 | 2 | 0 | 0 | 0 | 1 | 3.25 |
| RP | Hammel, J.Hammel, Jason >> | 36 | 2018 | R | 7 | 43 | 0 | 3 | 1 | 2.53 | .277 | 1.13 | 7.9 | 2.3 | 8.3 | 74.2 | 65 | 21 | 21 | 7 | 19 | 68 | 0 | 8 | 1 | 0 | 0 | 2 | 2 | 3.24 |