| SP | Chirinos, Y.Chirinos, Yonny † >> | 33 | 2019 | R | 85 | 40 | 40 | 23 | 8 | 3.35 | .282 | 1.16 | 8.2 | 2.2 | 8.8 | 231.1 | 211 | 94 | 86 | 31 | 57 | 227 | 1 | 0 | 0 | 1 | 26 | 5 | 3 | 3.58 |
| SP | Waguespack, J.Waguespack, Jacob # >> | 33 | 2019 | R | 68 | 32 | 32 | 12 | 11 | 4.32 | .284 | 1.16 | 8.0 | 2.4 | 8.6 | 183.1 | 163 | 99 | 88 | 42 | 49 | 175 | 1 | 0 | 0 | 0 | 16 | 6 | 1 | 4.97 |
| SP | McKay, B.McKay, Brendan # >> | 31 | 2019 | R | 64 | 31 | 31 | 8 | 10 | 6.70 | .336 | 1.50 | 11.1 | 2.4 | 11.0 | 131.2 | 162 | 100 | 98 | 33 | 35 | 160 | 0 | 0 | 0 | 0 | 5 | 3 | 0 | 4.70 |
| SP | Yarbrough, R.Yarbrough, Ryan >> | 35 | 2019 | L | 54 | 29 | 29 | 9 | 9 | 5.00 | .302 | 1.26 | 9.0 | 2.4 | 7.2 | 147.2 | 147 | 91 | 82 | 33 | 39 | 117 | 0 | 0 | 0 | 0 | 9 | 6 | 0 | 5.24 |
| SP | Thornton, T.Thornton, Trent >> | 33 | 2019 | R | 51 | 28 | 28 | 8 | 8 | 5.39 | .312 | 1.33 | 9.2 | 2.8 | 9.2 | 137.0 | 140 | 85 | 82 | 29 | 42 | 140 | 0 | 0 | 0 | 0 | 8 | 4 | 2 | 4.72 |
| RP | Castro, M.Castro, Miguel >> | 32 | 2019 | R | 95 | 86 | 0 | 9 | 4 | 3.43 | .258 | 1.03 | 6.7 | 2.6 | 9.6 | 162.2 | 121 | 63 | 62 | 24 | 46 | 172 | 0 | 6 | 5 | 0 | 0 | 3 | 18 | 3.71 |
| RP | Pannone, T.Pannone, Thomas † >> | 33 | 2019 | L | 67 | 79 | 0 | 9 | 5 | 4.72 | .305 | 1.29 | 8.7 | 2.9 | 8.5 | 145.0 | 140 | 84 | 76 | 29 | 47 | 137 | 0 | 15 | 4 | 0 | 0 | 4 | 7 | 4.77 |
| RP | Gaviglio, S.Gaviglio, Sam >> | 37 | 2019 | R | 23 | 52 | 0 | 5 | 4 | 5.06 | .287 | 1.16 | 8.2 | 2.3 | 7.4 | 58.2 | 53 | 33 | 33 | 13 | 15 | 48 | 0 | 3 | 2 | 0 | 0 | 3 | 0 | 5.19 |
| RP | Walden, M.Walden, Marcus >> | 38 | 2019 | R | 19 | 32 | 0 | 3 | 1 | 5.47 | .325 | 1.44 | 8.3 | 4.8 | 7.6 | 26.1 | 24 | 17 | 16 | 4 | 14 | 22 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 4.92 |
| RP | Chapman, A.Chapman, Aroldis >> | 39 | 2019 | L | 19 | 39 | 0 | 1 | 0 | 2.97 | .351 | 1.60 | 8.5 | 6.0 | 7.5 | 36.1 | 34 | 15 | 12 | 5 | 24 | 30 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 5.22 |