| SP | Manaea, S.Manaea, Sean >> | 27 | 2019 | L | 99 | 38 | 38 | 21 | 6 | 2.61 | .251 | 0.99 | 6.3 | 2.6 | 10.8 | 238.1 | 167 | 76 | 69 | 22 | 68 | 286 | 1 | 0 | 0 | 1 | 26 | 4 | 1 | 2.71 |
| SP | Mengden, D.Mengden, Daniel # >> | 26 | 2019 | R | 33 | 39 | 39 | 8 | 13 | 5.42 | .348 | 1.55 | 9.2 | 4.8 | 7.8 | 167.2 | 171 | 103 | 101 | 22 | 89 | 145 | 0 | 0 | 0 | 0 | 5 | 8 | 2 | 4.72 |
| SP | Anderson, T.Anderson, Tanner # + >> | 26 | 2019 | R | 9 | 36 | 36 | 4 | 14 | 6.22 | .371 | 1.71 | 11.9 | 3.5 | 8.1 | 143.1 | 189 | 110 | 99 | 20 | 56 | 128 | 0 | 0 | 0 | 0 | 0 | 9 | 7 | 4.39 |
| SP | Straily, D.Straily, Dan # >> | 30 | 2019 | R | 2 | 27 | 26 | 5 | 8 | 6.61 | .370 | 1.69 | 11.0 | 4.3 | 8.0 | 99.1 | 121 | 83 | 73 | 23 | 47 | 88 | 0 | 1 | 0 | 0 | 2 | 7 | 5 | 5.88 |
| RP | Wendelken, J.Wendelken, J.B. >> | 26 | 2019 | R | 96 | 117 | 0 | 13 | 1 | 2.35 | .284 | 1.17 | 7.2 | 3.3 | 10.6 | 130.1 | 104 | 34 | 34 | 7 | 48 | 153 | 0 | 1 | 3 | 0 | 0 | 3 | 5 | 2.52 |
| RP | Montero, R.Montero, Rafael >> | 28 | 2019 | R | 91 | 113 | 0 | 4 | 4 | 3.49 | .278 | 1.10 | 7.3 | 2.6 | 10.3 | 134.0 | 109 | 53 | 52 | 19 | 38 | 153 | 0 | 10 | 4 | 0 | 0 | 8 | 0 | 3.59 |
| RP | Ramirez, N.Ramirez, Noe >> | 29 | 2019 | R | 79 | 86 | 0 | 2 | 4 | 3.18 | .280 | 1.13 | 7.9 | 2.3 | 11.6 | 102.0 | 89 | 37 | 36 | 14 | 26 | 131 | 0 | 11 | 4 | 0 | 0 | 4 | 2 | 3.10 |
| RP | Blevins, J.Blevins, Jerry >> | 36 | 2019 | L | 78 | 115 | 0 | 8 | 2 | 2.99 | .263 | 1.06 | 6.0 | 3.6 | 10.5 | 93.1 | 62 | 31 | 31 | 12 | 37 | 109 | 0 | 2 | 1 | 0 | 0 | 1 | 5 | 3.56 |
| RP | Perdomo, L.Perdomo, Luis >> | 26 | 2019 | R | 63 | 66 | 0 | 10 | 3 | 2.81 | .258 | 0.98 | 6.8 | 2.1 | 7.8 | 83.1 | 63 | 27 | 26 | 5 | 19 | 72 | 0 | 3 | 3 | 0 | 0 | 5 | 1 | 2.92 |
| RP | Tomlin, J.Tomlin, Josh >> | 34 | 2019 | R | 60 | 49 | 0 | 5 | 4 | 4.18 | .335 | 1.49 | 11.8 | 1.8 | 5.8 | 51.2 | 67 | 24 | 24 | 10 | 10 | 33 | 0 | 4 | 8 | 0 | 0 | 1 | 1 | 4.90 |
| RP | Doolittle, S.Doolittle, Sean >> | 32 | 2019 | L | 56 | 118 | 0 | 5 | 1 | 3.72 | .310 | 1.35 | 9.4 | 2.8 | 11.8 | 84.2 | 88 | 38 | 35 | 14 | 26 | 110 | 0 | 5 | 3 | 0 | 0 | 0 | 0 | 3.48 |
| RP | Trivino, L.Trivino, Lou # >> | 27 | 2019 | R | 38 | 56 | 0 | 4 | 2 | 4.70 | .333 | 1.40 | 7.5 | 5.2 | 8.3 | 61.1 | 51 | 33 | 32 | 6 | 35 | 56 | 0 | 4 | 1 | 0 | 0 | 6 | 2 | 4.46 |