| SP | Giolito, L.Giolito, Lucas † >> | 22 | 2017 | R | 96 | 36 | 36 | 21 | 8 | 3.11 | .274 | 1.12 | 7.6 | 2.6 | 7.3 | 254.2 | 214 | 90 | 88 | 17 | 72 | 207 | 3 | 0 | 0 | 0 | 27 | 2 | 8 | 3.11 |
| SP | Strasburg, S.Strasburg, Stephen >> | 28 | 2017 | R | 99 | 34 | 34 | 11 | 13 | 3.17 | .281 | 1.14 | 7.6 | 2.6 | 9.5 | 233.0 | 198 | 84 | 82 | 28 | 68 | 245 | 4 | 0 | 0 | 1 | 26 | 7 | 6 | 3.42 |
| SP | Iwakuma, H.Iwakuma, Hisashi # >> | 36 | 2017 | R | 72 | 33 | 33 | 11 | 12 | 4.54 | .309 | 1.30 | 8.6 | 3.1 | 6.5 | 174.1 | 166 | 93 | 88 | 31 | 60 | 126 | 0 | 0 | 0 | 0 | 12 | 8 | 1 | 5.04 |
| SP | Guerra, J.Guerra, Junior >> | 32 | 2017 | R | 54 | 32 | 32 | 2 | 6 | 4.17 | .352 | 1.58 | 8.2 | 6.1 | 9.9 | 112.1 | 102 | 52 | 52 | 13 | 76 | 123 | 0 | 0 | 0 | 0 | 0 | 5 | 7 | 4.48 |
| SP | Vargas, J.Vargas, Jason # >> | 34 | 2017 | L | 53 | 22 | 19 | 3 | 10 | 7.56 | .370 | 1.73 | 12.6 | 3.0 | 7.3 | 75.0 | 105 | 65 | 63 | 18 | 25 | 61 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 5.57 |
| RP | Rivero, F.Rivero, Felipe >> | 25 | 2017 | L | 97 | 101 | 0 | 7 | 1 | 3.40 | .255 | 1.00 | 6.9 | 2.2 | 11.1 | 92.2 | 71 | 38 | 35 | 7 | 22 | 113 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2.32 |
| CL | Warren, A.Warren, Adam † >> | 29 | 2017 | R | 95 | 62 | 0 | 1 | 3 | 2.18 | .272 | 1.09 | 7.1 | 2.7 | 8.5 | 66.0 | 52 | 17 | 16 | 3 | 20 | 62 | 0 | 42 | 6 | 0 | 0 | 2 | 3 | 2.71 |
| RP | Moylan, P.Moylan, Peter # >> | 39 | 2017 | R | 83 | 98 | 0 | 8 | 3 | 4.78 | .321 | 1.40 | 7.7 | 4.9 | 6.5 | 107.1 | 92 | 58 | 57 | 8 | 58 | 77 | 0 | 0 | 4 | 0 | 0 | 2 | 2 | 4.21 |
| RP | Glover, K.Glover, Koda >> | 24 | 2017 | R | 46 | 60 | 0 | 4 | 1 | 3.51 | .306 | 1.28 | 8.9 | 2.7 | 9.3 | 66.2 | 65 | 28 | 26 | 5 | 20 | 68 | 0 | 2 | 0 | 0 | 0 | 3 | 1 | 2.97 |
| RP | Stammen, C.Stammen, Craig >> | 33 | 2017 | R | 72 | 47 | 0 | 4 | 1 | 3.44 | .289 | 1.18 | 8.2 | 2.5 | 8.7 | 55.0 | 50 | 22 | 21 | 6 | 15 | 53 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 3.42 |
| RP | Hernandez, A.Hernandez, Ariel >> | 25 | 2017 | R | 59 | 27 | 0 | 0 | 2 | 4.45 | .355 | 1.62 | 6.0 | 8.7 | 10.8 | 30.1 | 20 | 16 | 15 | 3 | 29 | 36 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 4.90 |