| SP | Giolito, L.Giolito, Lucas # >> | 24 | 2019 | R | 71 | 34 | 34 | 11 | 12 | 4.86 | .309 | 1.31 | 9.3 | 2.5 | 9.3 | 181.1 | 187 | 103 | 98 | 32 | 51 | 188 | 1 | 0 | 0 | 0 | 19 | 5 | 3 | 4.15 |
| SP | Marquez, G.Marquez, German >> | 23 | 2018 | R | 16 | 34 | 34 | 13 | 11 | 5.68 | .353 | 1.61 | 10.8 | 3.7 | 9.1 | 177.1 | 212 | 115 | 112 | 33 | 73 | 178 | 0 | 0 | 0 | 0 | 15 | 5 | 5 | 4.73 |
| SP | Heaney, A.Heaney, Andrew >> | 28 | 2019 | L | 4 | 35 | 30 | 10 | 8 | 5.70 | .357 | 1.64 | 10.6 | 4.1 | 10.1 | 150.0 | 177 | 104 | 95 | 28 | 69 | 168 | 0 | 0 | 0 | 0 | 4 | 4 | 8 | 4.65 |
| RP | Rivera, M.Rivera, Mariano >> | 42 | 2011 | R | 37 | 71 | 0 | 2 | 0 | 5.92 | .307 | 1.26 | 9.5 | 1.9 | 7.5 | 76.0 | 80 | 52 | 50 | 13 | 16 | 63 | 0 | 2 | 1 | 0 | 0 | 5 | 2 | 4.39 |
| RP | Feliz, M.Feliz, Michael >> | 23 | 2016 | R | 9 | 63 | 0 | 3 | 4 | 6.46 | .376 | 1.76 | 10.6 | 5.2 | 11.3 | 78.0 | 92 | 57 | 56 | 10 | 45 | 98 | 0 | 1 | 0 | 0 | 0 | 4 | 8 | 4.04 |
| SP | Paxton, J.Paxton, James >> | 29 | 2018 | L | 45 | 37 | 8 | 5 | 4 | 6.71 | .361 | 1.65 | 11.7 | 3.3 | 10.8 | 124.2 | 161 | 94 | 93 | 30 | 45 | 149 | 0 | 0 | 0 | 0 | 1 | 5 | 6 | 4.95 |
| SU | Kelley, S.Kelley, Shawn >> | 32 | 2016 | R | 58 | 100 | 0 | 8 | 1 | 4.33 | .291 | 1.21 | 8.6 | 2.3 | 10.0 | 122.2 | 117 | 59 | 59 | 19 | 31 | 136 | 0 | 1 | 3 | 0 | 0 | 3 | 5 | 3.63 |
| CL | Betancourt, R.Betancourt, Rafael # >> | 36 | 2011 | R | 52 | 81 | 0 | 1 | 6 | 4.88 | .279 | 1.15 | 8.5 | 1.8 | 10.3 | 79.1 | 75 | 46 | 43 | 14 | 16 | 90 | 0 | 23 | 9 | 0 | 0 | 1 | 0 | 3.67 |