| SP | Anderson, B.Anderson, Brett >> | 30 | 2018 | L | 32 | 37 | 37 | 8 | 10 | 4.50 | .321 | 1.38 | 9.6 | 2.8 | 8.5 | 172.0 | 183 | 97 | 86 | 27 | 54 | 162 | 0 | 0 | 0 | 0 | 0 | 7 | 8 | 4.22 |
| SP | Bassitt, C.Bassitt, Chris >> | 29 | 2018 | R | 66 | 36 | 36 | 12 | 12 | 2.70 | .263 | 1.02 | 6.0 | 3.2 | 9.3 | 173.1 | 116 | 59 | 52 | 21 | 61 | 178 | 0 | 0 | 0 | 0 | 0 | 9 | 1 | 3.73 |
| SP | Manaea, S.Manaea, Sean >> | 26 | 2018 | L | 75 | 34 | 34 | 9 | 14 | 3.11 | .273 | 1.07 | 7.3 | 2.3 | 8.1 | 217.1 | 177 | 87 | 75 | 15 | 56 | 195 | 1 | 0 | 0 | 1 | 0 | 12 | 6 | 3.04 |
| SP | Mengden, D.Mengden, Daniel >> | 25 | 2018 | R | 70 | 32 | 32 | 10 | 12 | 3.68 | .283 | 1.12 | 7.4 | 2.7 | 8.8 | 183.2 | 151 | 80 | 75 | 26 | 55 | 178 | 0 | 0 | 0 | 0 | 0 | 11 | 9 | 3.98 |
| SP | Blackburn, P.Blackburn, Paul >> | 24 | 2018 | R | 14 | 17 | 16 | 2 | 5 | 5.85 | .351 | 1.61 | 11.6 | 2.9 | 10.0 | 75.1 | 97 | 54 | 49 | 17 | 24 | 83 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 4.73 |
| RP | Treinen, B.Treinen, Blake † >> | 30 | 2018 | R | 95 | 77 | 0 | 14 | 0 | 1.51 | .197 | 0.70 | 3.9 | 2.3 | 11.3 | 119.1 | 52 | 22 | 20 | 5 | 31 | 149 | 0 | 7 | 1 | 0 | 0 | 5 | 7 | 1.95 |
| RP | Dull, R.Dull, Ryan >> | 28 | 2018 | R | 62 | 59 | 0 | 2 | 3 | 2.58 | .276 | 1.12 | 7.4 | 2.7 | 6.8 | 80.1 | 66 | 23 | 23 | 8 | 24 | 60 | 0 | 11 | 2 | 0 | 0 | 2 | 8 | 3.78 |
| RP | Casilla, S.Casilla, Santiago >> | 38 | 2018 | R | 68 | 65 | 0 | 4 | 1 | 2.45 | .256 | 0.98 | 4.9 | 4.0 | 9.5 | 84.1 | 46 | 28 | 23 | 6 | 37 | 89 | 0 | 6 | 0 | 0 | 0 | 4 | 7 | 3.27 |
| RP | Hatcher, C.Hatcher, Chris >> | 33 | 2018 | R | 10 | 38 | 0 | 1 | 7 | 4.71 | .308 | 1.31 | 9.2 | 2.6 | 8.8 | 42.0 | 43 | 23 | 22 | 9 | 12 | 41 | 0 | 5 | 1 | 0 | 0 | 1 | 0 | 4.76 |
| SP | Montas, F.Montas, Frankie >> | 25 | 2018 | R | 14 | 2 | 1 | 0 | 1 | 7.27 | .366 | 1.73 | 9.0 | 7.9 | 7.9 | 8.2 | 8 | 7 | 7 | 3 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8.75 |
| RP | Buchter, R.Buchter, Ryan >> | 31 | 2018 | L | 66 | 115 | 0 | 1 | 2 | 2.02 | .227 | 0.85 | 4.5 | 3.1 | 11.1 | 107.0 | 54 | 26 | 24 | 3 | 37 | 132 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 2.02 |
| SP | Graveman, K.Graveman, Kendall >> | 27 | 2018 | R | 7 | 3 | 2 | 0 | 3 | 10.38 | .458 | 2.54 | 22.5 | 2.3 | 11.3 | 8.2 | 20 | 10 | 10 | 4 | 2 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.75 |
| RP | Trivino, L.Trivino, Lou >> | 26 | 2018 | R | 79 | 25 | 0 | 2 | 2 | 2.08 | .241 | 0.95 | 6.1 | 2.6 | 12.4 | 34.2 | 23 | 8 | 8 | 2 | 10 | 47 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 1.88 |
| RP | Petit, Y.Petit, Yusmeiro >> | 34 | 2018 | R | 75 | 23 | 0 | 2 | 2 | 1.35 | .167 | 0.60 | 5.2 | 0.3 | 8.5 | 33.1 | 19 | 5 | 5 | 2 | 1 | 31 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2.00 |
| RP | Pagan, E.Pagan, Emilio >> | 27 | 2018 | R | 61 | 25 | 0 | 1 | 1 | 2.81 | .278 | 1.16 | 7.9 | 2.5 | 9.3 | 32.0 | 28 | 11 | 10 | 1 | 9 | 33 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2.19 |
| RP | Soria, J.Soria, Joakim >> | 34 | 2018 | R | 69 | 67 | 0 | 11 | 4 | 2.24 | .223 | 0.84 | 5.8 | 1.8 | 11.5 | 104.2 | 67 | 28 | 26 | 11 | 21 | 133 | 0 | 1 | 2 | 0 | 0 | 2 | 2 | 2.48 |
| SP | Triggs, A.Triggs, Andrew >> | 29 | 2018 | R | 55 | 2 | 2 | 1 | 1 | 1.50 | .234 | 0.92 | 2.3 | 6.0 | 8.3 | 12.0 | 3 | 2 | 2 | 0 | 8 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.17 |
| SP | Estrada, M.Estrada, Marco >> | 35 | 2018 | R | 20 | 2 | 2 | 2 | 0 | 0.00 | .234 | 0.92 | 4.5 | 3.8 | 9.8 | 12.0 | 6 | 0 | 0 | 0 | 5 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.08 |