| SP | Weaver, L.Weaver, Luke >> | 25 | 2019 | R | 89 | 33 | 33 | 15 | 8 | 3.81 | .292 | 1.22 | 8.3 | 2.7 | 9.8 | 184.1 | 169 | 83 | 78 | 35 | 55 | 201 | 0 | 0 | 0 | 0 | 14 | 4 | 0 | 4.25 |
| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 89 | 33 | 32 | 9 | 10 | 4.56 | .314 | 1.35 | 7.8 | 4.4 | 11.3 | 173.2 | 150 | 89 | 88 | 26 | 85 | 217 | 0 | 1 | 0 | 0 | 16 | 4 | 8 | 3.99 |
| SP | Poncedeleon, D.Poncedeleon, Daniel >> | 27 | 2019 | R | 77 | 32 | 32 | 6 | 6 | 3.66 | .300 | 1.26 | 7.1 | 4.2 | 10.2 | 125.1 | 99 | 53 | 51 | 14 | 59 | 141 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 3.69 |
| RP | Workman, B.Workman, Brandon >> | 30 | 2019 | R | 97 | 113 | 0 | 9 | 6 | 3.60 | .297 | 1.22 | 6.1 | 4.9 | 10.2 | 132.2 | 90 | 54 | 53 | 13 | 72 | 149 | 0 | 7 | 3 | 0 | 0 | 6 | 6 | 3.80 |
| RP | Cordero, J.Cordero, Jimmy >> | 27 | 2019 | R | 90 | 109 | 0 | 10 | 7 | 3.78 | .287 | 1.18 | 7.8 | 2.9 | 8.0 | 138.0 | 119 | 60 | 58 | 26 | 44 | 122 | 0 | 10 | 7 | 0 | 0 | 4 | 2 | 4.72 |
| RP | Montero, R.Montero, Rafael >> | 28 | 2019 | R | 90 | 102 | 0 | 6 | 3 | 3.26 | .281 | 1.17 | 8.0 | 2.5 | 10.1 | 135.1 | 120 | 56 | 49 | 14 | 38 | 151 | 0 | 16 | 3 | 0 | 0 | 1 | 0 | 2.98 |
| RP | Kintzler, B.Kintzler, Brandon >> | 34 | 2019 | R | 83 | 85 | 0 | 9 | 4 | 4.51 | .303 | 1.26 | 8.5 | 3.0 | 7.9 | 103.2 | 97 | 53 | 52 | 19 | 34 | 90 | 0 | 7 | 2 | 0 | 0 | 4 | 0 | 4.76 |