| SP | Castillo, L.Castillo, Luis >> | 26 | 2019 | R | 89 | 37 | 37 | 10 | 22 | 4.25 | .301 | 1.26 | 7.5 | 3.9 | 10.6 | 237.1 | 197 | 117 | 112 | 24 | 103 | 280 | 5 | 0 | 0 | 1 | 19 | 6 | 5 | 3.33 |
| SP | Cueto, J.Cueto, Johnny >> | 33 | 2019 | R | 74 | 36 | 36 | 4 | 11 | 3.21 | .300 | 1.24 | 6.8 | 4.3 | 7.8 | 160.0 | 121 | 61 | 57 | 13 | 77 | 139 | 0 | 0 | 0 | 0 | 1 | 8 | 4 | 3.91 |
| SP | Eickhoff, J.Eickhoff, Jerad >> | 28 | 2019 | R | 53 | 36 | 36 | 1 | 17 | 5.58 | .351 | 1.55 | 10.5 | 3.5 | 8.5 | 130.2 | 152 | 86 | 81 | 28 | 51 | 123 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 5.29 |
| CL | Chapman, A.Chapman, Aroldis † >> | 31 | 2019 | L | 93 | 85 | 0 | 10 | 5 | 3.74 | .287 | 1.19 | 6.5 | 4.2 | 10.2 | 98.2 | 71 | 42 | 41 | 7 | 46 | 111 | 0 | 18 | 4 | 0 | 0 | 2 | 9 | 3.13 |
| RP | Iglesias, R.Iglesias, Raisel >> | 29 | 2019 | R | 74 | 103 | 0 | 10 | 3 | 3.92 | .323 | 1.39 | 9.5 | 3.0 | 10.4 | 119.1 | 126 | 53 | 52 | 13 | 40 | 138 | 0 | 4 | 3 | 0 | 0 | 5 | 11 | 3.24 |
| RP | Lorenzen, M.Lorenzen, Michael >> | 27 | 2019 | R | 79 | 99 | 0 | 8 | 2 | 3.71 | .305 | 1.29 | 8.0 | 3.6 | 9.3 | 119.0 | 106 | 49 | 49 | 16 | 47 | 123 | 0 | 4 | 2 | 0 | 0 | 4 | 4 | 3.97 |
| RP | Dobnak, R.Dobnak, Randy >> | 24 | 2019 | R | 65 | 56 | 0 | 7 | 4 | 2.80 | .276 | 1.09 | 8.1 | 1.7 | 8.2 | 119.0 | 107 | 38 | 37 | 6 | 23 | 109 | 0 | 3 | 2 | 0 | 0 | 6 | 0 | 2.55 |
| RP | Garrett, A.Garrett, Amir >> | 27 | 2019 | L | 64 | 106 | 0 | 3 | 2 | 2.97 | .297 | 1.23 | 5.8 | 5.2 | 10.8 | 97.0 | 63 | 33 | 32 | 4 | 56 | 116 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 3.00 |