| SP | Teheran, J.Teheran, Julio >> | 27 | 2018 | R | 83 | 20 | 20 | 5 | 6 | 3.32 | .316 | 1.33 | 8.0 | 4.0 | 8.3 | 122.0 | 108 | 46 | 45 | 14 | 54 | 112 | 1 | 0 | 0 | 1 | 11 | 7 | 2 | 4.16 |
| SP | Mengden, D.Mengden, Daniel # >> | 25 | 2018 | R | 72 | 19 | 19 | 6 | 5 | 4.47 | .326 | 1.40 | 10.3 | 2.4 | 6.0 | 100.2 | 114 | 54 | 50 | 12 | 27 | 67 | 0 | 0 | 0 | 0 | 8 | 5 | 0 | 4.18 |
| SP | LeBlanc, W.LeBlanc, Wade >> | 34 | 2018 | L | 61 | 19 | 19 | 4 | 12 | 6.78 | .362 | 1.68 | 11.8 | 3.3 | 8.6 | 86.1 | 113 | 68 | 65 | 19 | 32 | 82 | 0 | 0 | 0 | 0 | 4 | 2 | 2 | 5.15 |
| SP | Stripling, R.Stripling, Ross >> | 28 | 2018 | R | 59 | 19 | 19 | 0 | 9 | 8.78 | .377 | 1.77 | 12.5 | 3.5 | 9.4 | 66.2 | 92 | 65 | 65 | 10 | 26 | 69 | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 4.20 |
| RP | Dominguez, S.Dominguez, Seranthony >> | 23 | 2018 | R | 96 | 49 | 0 | 3 | 4 | 3.97 | .304 | 1.28 | 7.1 | 4.5 | 10.7 | 70.1 | 55 | 33 | 31 | 7 | 35 | 83 | 0 | 2 | 3 | 0 | 0 | 2 | 7 | 3.51 |
| RP | Watson, T.Watson, Tony >> | 33 | 2018 | L | 75 | 52 | 0 | 4 | 1 | 5.40 | .317 | 1.35 | 9.4 | 2.8 | 10.8 | 73.1 | 76 | 47 | 44 | 12 | 23 | 88 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | 3.79 |
| RP | Soria, J.Soria, Joakim >> | 34 | 2018 | R | 61 | 49 | 0 | 4 | 4 | 3.68 | .290 | 1.23 | 7.4 | 3.7 | 10.0 | 63.2 | 52 | 26 | 26 | 7 | 26 | 70 | 0 | 4 | 1 | 0 | 0 | 0 | 2 | 3.46 |
| RP | Rivero, F.Rivero, Felipe >> | 26 | 2018 | L | 45 | 41 | 0 | 1 | 3 | 7.14 | .397 | 1.93 | 12.7 | 4.9 | 10.6 | 46.2 | 65 | 39 | 37 | 9 | 25 | 54 | 0 | 2 | 1 | 0 | 0 | 2 | 3 | 4.96 |
| SP | Hamels, C.Hamels, Cole >> | 35 | 2018 | L | 53 | 1 | 0 | 0 | 0 | 6.75 | .333 | 1.50 | 18.0 | 0.0 | 9.0 | 1.1 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.00 |
| SP | Lucchesi, J.Lucchesi, Joey >> | 25 | 2018 | L | 45 | 34 | 0 | 2 | 6 | 6.80 | .390 | 1.88 | 12.5 | 4.4 | 13.2 | 49.0 | 68 | 37 | 37 | 11 | 24 | 72 | 0 | 5 | 2 | 0 | 0 | 2 | 2 | 4.57 |