| SP | Arrieta, J.Arrieta, Jake † >> | 29 | 2015 | R | 95 | 22 | 22 | 10 | 4 | 3.08 | .285 | 1.18 | 7.7 | 3.0 | 9.1 | 160.2 | 136 | 62 | 55 | 11 | 53 | 162 | 2 | 0 | 0 | 1 | 15 | 3 | 3 | 2.92 |
| SP | Perez, P.Perez, Pascual >> | 31 | 1988 | R | 77 | 22 | 22 | 10 | 9 | 4.72 | .303 | 1.26 | 8.4 | 2.9 | 6.1 | 145.0 | 136 | 78 | 76 | 19 | 46 | 99 | 3 | 0 | 0 | 1 | 10 | 7 | 4 | 4.43 |
| SP | Strasburg, S.Strasburg, Stephen # >> | 28 | 2017 | R | 66 | 19 | 19 | 7 | 6 | 6.04 | .340 | 1.53 | 10.9 | 2.9 | 9.1 | 107.1 | 129 | 74 | 72 | 21 | 35 | 108 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 4.57 |
| SP | Candelaria, J.Candelaria, John >> | 33 | 1986 | L | 54 | 21 | 21 | 7 | 6 | 5.02 | .373 | 1.76 | 11.3 | 4.7 | 6.5 | 107.2 | 134 | 68 | 60 | 14 | 56 | 77 | 0 | 0 | 0 | 0 | 7 | 2 | 1 | 4.89 |
| RP | Street, H.Street, Huston >> | 29 | 2012 | R | 95 | 59 | 0 | 6 | 4 | 2.98 | .275 | 1.14 | 5.8 | 4.6 | 10.3 | 87.2 | 56 | 30 | 29 | 5 | 44 | 100 | 0 | 10 | 1 | 0 | 0 | 0 | 2 | 2.97 |
| RP | Zimmerman, J.Zimmerman, Jeff >> | 27 | 1999 | R | 66 | 47 | 0 | 4 | 2 | 3.45 | .295 | 1.22 | 7.6 | 3.5 | 6.8 | 57.1 | 48 | 23 | 22 | 7 | 22 | 43 | 0 | 7 | 3 | 0 | 0 | 2 | 1 | 4.35 |
| RP | Broxton, J.Broxton, Jonathan >> | 25 | 2009 | R | 58 | 39 | 0 | 2 | 2 | 5.32 | .362 | 1.68 | 9.8 | 5.3 | 9.4 | 44.0 | 48 | 28 | 26 | 5 | 26 | 46 | 0 | 5 | 1 | 0 | 0 | 1 | 1 | 4.23 |
| SP | Jenkins, F.Jenkins, Fergie >> | 32 | 1974 | R | 38 | 3 | 2 | 1 | 1 | 6.30 | .302 | 1.30 | 11.7 | 0.0 | 9.9 | 10.0 | 13 | 7 | 7 | 1 | 0 | 11 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.10 |
| SP | Norris, M.Norris, Mike >> | 25 | 1980 | R | 46 | 18 | 0 | 0 | 3 | 4.70 | .361 | 1.66 | 9.0 | 6.3 | 6.0 | 30.2 | 30 | 19 | 16 | 5 | 21 | 20 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 6.03 |