| SP | Pannone, T.Pannone, Thomas >> | 24 | 2018 | L | 65 | 36 | 36 | 3 | 10 | 3.39 | .288 | 1.19 | 7.5 | 3.2 | 8.6 | 146.0 | 122 | 58 | 55 | 23 | 52 | 139 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4.27 |
| SP | Borucki, R.Borucki, Ryan >> | 24 | 2018 | L | 38 | 36 | 36 | 9 | 20 | 4.06 | .314 | 1.34 | 9.0 | 3.1 | 8.6 | 206.1 | 206 | 101 | 93 | 32 | 71 | 196 | 1 | 0 | 0 | 1 | 0 | 6 | 3 | 4.24 |
| SP | Sanchez, A.Sanchez, Aaron >> | 25 | 2018 | R | 21 | 34 | 34 | 12 | 15 | 4.47 | .323 | 1.41 | 8.6 | 4.1 | 8.9 | 181.1 | 172 | 97 | 90 | 22 | 83 | 179 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 4.06 |
| RP | Tepera, R.Tepera, Ryan >> | 30 | 2018 | R | 62 | 113 | 0 | 7 | 3 | 3.45 | .262 | 1.00 | 6.3 | 2.8 | 10.0 | 127.2 | 89 | 51 | 49 | 16 | 39 | 141 | 0 | 1 | 2 | 0 | 0 | 8 | 5 | 3.53 |
| SP | Shoemaker, M.Shoemaker, Matt >> | 31 | 2018 | R | 62 | 20 | 19 | 7 | 4 | 2.98 | .282 | 1.16 | 7.5 | 3.0 | 10.0 | 102.2 | 85 | 38 | 34 | 5 | 34 | 113 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 2.48 |
| SP | Reid-Foley, S.Reid-Foley, Sean >> | 22 | 2018 | R | 34 | 1 | 0 | 0 | 0 | 0.00 | .333 | 1.50 | 9.0 | 9.0 | 9.0 | 1.1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.00 |
| RP | Garcia, J.Garcia, Jaime >> | 32 | 2018 | L | 26 | 80 | 0 | 2 | 3 | 4.23 | .303 | 1.27 | 7.5 | 3.9 | 9.5 | 55.1 | 46 | 28 | 26 | 4 | 24 | 58 | 0 | 6 | 3 | 0 | 0 | 2 | 2 | 3.25 |
| SP | Gaviglio, S.Gaviglio, Sam >> | 28 | 2018 | R | 20 | 11 | 4 | 4 | 4 | 2.31 | .235 | 0.92 | 6.2 | 2.1 | 9.2 | 39.0 | 27 | 13 | 10 | 4 | 9 | 40 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2.97 |
| RP | Barnes, D.Barnes, Danny >> | 28 | 2018 | R | 14 | 108 | 0 | 2 | 5 | 5.68 | .359 | 1.58 | 10.5 | 3.8 | 9.6 | 84.0 | 98 | 56 | 53 | 18 | 35 | 90 | 0 | 5 | 3 | 0 | 0 | 8 | 0 | 5.18 |
| RP | Axford, J.Axford, John >> | 35 | 2018 | R | 58 | 89 | 0 | 1 | 5 | 3.40 | .276 | 1.11 | 6.9 | 3.1 | 7.1 | 90.0 | 69 | 34 | 34 | 9 | 31 | 71 | 0 | 8 | 4 | 0 | 0 | 3 | 4 | 3.86 |
| RP | Biagini, J.Biagini, Joe >> | 28 | 2018 | R | 6 | 60 | 0 | 0 | 7 | 4.55 | .385 | 1.86 | 11.5 | 5.4 | 8.2 | 55.1 | 70 | 30 | 28 | 5 | 33 | 50 | 0 | 3 | 4 | 0 | 0 | 1 | 5 | 4.22 |
| RP | Clippard, T.Clippard, Tyler >> | 33 | 2018 | R | 71 | 57 | 0 | 5 | 2 | 3.60 | .283 | 1.17 | 7.7 | 2.9 | 11.6 | 60.0 | 51 | 24 | 24 | 7 | 19 | 77 | 0 | 3 | 0 | 0 | 0 | 1 | 8 | 2.95 |