| SP | Anderson, B.Anderson, Brett >> | 30 | 2018 | L | 32 | 4 | 5 | 4.48 | .292 | .00 | 1.29 | 10.1 | 1.5 | 5.3 | 80 | 90 | 10 | 13 | 47 | 0 | 0 | 3 | 84 | 15 | C |
| SP | Bassitt, C.Bassitt, Chris >> | 29 | 2018 | R | 66 | 2 | 3 | 3.02 | .281 | .00 | 1.26 | 7.7 | 3.6 | 7.9 | 47 | 40 | 4 | 19 | 41 | 0 | 0 | 2 | 77 | 18 | C |
| SP | Manaea, S.Manaea, Sean >> | 26 | 2018 | L | 75 | 12 | 9 | 3.59 | .261 | .00 | 1.08 | 7.9 | 1.8 | 6.1 | 160 | 141 | 21 | 32 | 108 | 1 | 0 | 9 | 105 | 16 | C |
| SP | Mengden, D.Mengden, Daniel >> | 25 | 2018 | R | 70 | 7 | 6 | 4.05 | .267 | .00 | 1.12 | 8.1 | 2.0 | 5.6 | 115 | 103 | 18 | 26 | 72 | 1 | 0 | 6 | 93 | 16 | C |
| SP | Blackburn, P.Blackburn, Paul >> | 24 | 2018 | R | 14 | 2 | 3 | 7.16 | .300 | .00 | 1.44 | 11.0 | 2.0 | 6.3 | 27 | 33 | 2 | 6 | 19 | 0 | 0 | 1 | 80 | 16 | C |
| RP | Treinen, B.Treinen, Blake † >> | 30 | 2018 | R | 95 | 9 | 2 | 0.78 | .211 | .00 | 0.84 | 5.2 | 2.4 | 11.3 | 80 | 46 | 2 | 21 | 100 | 0 | 38 | 6 | 24 | 22 | C |
| RP | Dull, R.Dull, Ryan >> | 28 | 2018 | R | 62 | 0 | 0 | 4.26 | .254 | .00 | 1.16 | 7.9 | 2.5 | 7.6 | 25 | 22 | 3 | 7 | 21 | 0 | 0 | 3 | 23 | 20 | C |
| RP | Casilla, S.Casilla, Santiago >> | 38 | 2018 | R | 68 | 0 | 0 | 3.16 | .270 | .00 | 1.23 | 5.2 | 5.8 | 6.4 | 31 | 18 | 0 | 20 | 22 | 0 | 1 | 4 | 24 | 17 | C |
| RP | Hatcher, C.Hatcher, Chris >> | 33 | 2018 | R | 10 | 3 | 3 | 4.95 | .337 | .00 | 1.67 | 10.8 | 4.3 | 7.5 | 36 | 43 | 7 | 17 | 30 | 0 | 0 | 0 | 23 | 17 | C |
| SP | Montas, F.Montas, Frankie >> | 25 | 2018 | R | 14 | 5 | 4 | 3.88 | .317 | .00 | 1.46 | 10.2 | 2.9 | 6.0 | 65 | 74 | 5 | 21 | 43 | 0 | 0 | 5 | 89 | 16 | C |
| RP | Buchter, R.Buchter, Ryan >> | 31 | 2018 | L | 66 | 6 | 0 | 2.75 | .270 | .00 | 1.21 | 7.4 | 3.5 | 9.5 | 39 | 32 | 4 | 15 | 41 | 0 | 0 | 1 | 23 | 20 | C |
| SP | Graveman, K.Graveman, Kendall >> | 27 | 2018 | R | 7 | 1 | 5 | 7.60 | .337 | .00 | 1.68 | 11.6 | 3.4 | 7.1 | 34 | 44 | 9 | 13 | 27 | 0 | 0 | 2 | 87 | 19 | C |
| RP | Trivino, L.Trivino, Lou >> | 26 | 2018 | R | 79 | 8 | 3 | 2.92 | .266 | .00 | 1.14 | 6.4 | 3.8 | 10.0 | 74 | 53 | 8 | 31 | 82 | 0 | 4 | 4 | 23 | 20 | C |
| RP | Petit, Y.Petit, Yusmeiro >> | 34 | 2018 | R | 75 | 7 | 3 | 3.00 | .245 | .00 | 1.01 | 7.4 | 1.7 | 7.4 | 93 | 76 | 13 | 18 | 76 | 0 | 0 | 1 | 25 | 17 | C |
| RP | Pagan, E.Pagan, Emilio >> | 27 | 2018 | R | 61 | 3 | 1 | 4.35 | .274 | .00 | 1.19 | 8.0 | 2.8 | 9.1 | 62 | 55 | 13 | 19 | 63 | 0 | 0 | 3 | 23 | 20 | C |
| RP | Soria, J.Soria, Joakim >> | 34 | 2018 | R | 69 | 3 | 4 | 3.12 | .266 | .00 | 1.15 | 8.0 | 2.4 | 11.3 | 60 | 53 | 4 | 16 | 75 | 0 | 16 | 2 | 23 | 22 | C |
| SP | Triggs, A.Triggs, Andrew >> | 29 | 2018 | R | 55 | 3 | 1 | 5.23 | .293 | .00 | 1.34 | 8.1 | 4.0 | 9.4 | 41 | 37 | 7 | 18 | 43 | 0 | 0 | 3 | 81 | 20 | C |
| SP | Estrada, M.Estrada, Marco >> | 35 | 2018 | R | 20 | 7 | 14 | 5.64 | .318 | .00 | 1.43 | 9.8 | 3.1 | 6.5 | 143 | 155 | 29 | 50 | 103 | 0 | 0 | 3 | 91 | 16 | C |