| SP | Flaherty, J.Flaherty, Jack >> | 22 | 2018 | R | 93 | 10 | 10 | 5 | 2 | 2.95 | .290 | 1.17 | 6.5 | 4.0 | 10.4 | 58.0 | 42 | 20 | 19 | 4 | 26 | 67 | 0 | 0 | 0 | 0 | 6 | 3 | 0 | 3.09 |
| SP | Manaea, S.Manaea, Sean >> | 26 | 2018 | L | 77 | 10 | 10 | 2 | 4 | 6.46 | .318 | 1.38 | 9.5 | 3.0 | 7.3 | 54.1 | 57 | 41 | 39 | 10 | 18 | 44 | 0 | 0 | 0 | 0 | 4 | 1 | 5 | 4.83 |
| SP | Mikolas, M.Mikolas, Miles # >> | 29 | 2018 | R | 73 | 10 | 10 | 4 | 2 | 4.33 | .305 | 1.28 | 9.7 | 1.9 | 7.5 | 62.1 | 67 | 31 | 30 | 10 | 13 | 52 | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 4.15 |
| SP | Williams, T.Williams, Trevor >> | 26 | 2018 | R | 66 | 10 | 10 | 2 | 5 | 6.99 | .350 | 1.55 | 10.1 | 4.0 | 5.7 | 47.2 | 53 | 39 | 37 | 10 | 21 | 30 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 6.02 |
| SP | Stripling, R.Stripling, Ross >> | 28 | 2018 | R | 59 | 10 | 10 | 0 | 4 | 5.54 | .367 | 1.71 | 11.7 | 3.9 | 8.8 | 37.1 | 48 | 27 | 23 | 9 | 16 | 36 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 5.59 |
| RP | Kimbrel, C.Kimbrel, Craig >> | 30 | 2018 | R | 94 | 25 | 0 | 1 | 1 | 1.91 | .236 | 0.85 | 5.6 | 2.2 | 12.6 | 37.2 | 23 | 9 | 8 | 3 | 9 | 52 | 0 | 2 | 1 | 0 | 0 | 3 | 2 | 2.22 |
| RP | Watson, T.Watson, Tony >> | 33 | 2018 | L | 75 | 27 | 0 | 3 | 1 | 2.84 | .288 | 1.18 | 7.3 | 3.3 | 9.0 | 38.0 | 31 | 12 | 12 | 2 | 14 | 38 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 2.87 |
| RP | Givens, M.Givens, Mychal >> | 28 | 2018 | R | 60 | 26 | 0 | 1 | 1 | 3.66 | .289 | 1.22 | 7.0 | 3.9 | 9.8 | 32.0 | 25 | 13 | 13 | 4 | 14 | 35 | 0 | 2 | 2 | 0 | 0 | 0 | 3 | 3.75 |
| RP | Pagan, E.Pagan, Emilio >> | 27 | 2018 | R | 48 | 25 | 0 | 0 | 2 | 5.40 | .389 | 1.91 | 12.8 | 4.8 | 11.4 | 26.2 | 37 | 18 | 16 | 4 | 14 | 33 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 4.08 |
| SP | Quintana, J.Quintana, Jose >> | 29 | 2018 | L | 37 | 4 | 0 | 1 | 0 | 0.00 | .211 | 0.80 | 5.4 | 1.8 | 5.4 | 10.0 | 6 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.40 |