| RP | Poncedeleon, D.Poncedeleon, Daniel † + | Cardinals | R | 178.0 | 71 | 0 | 20 | 0 | 2.80 | .276 | 1.11 | 6.9 | 3.1 | 8.0 | 189.2 | 145 | 61 | 59 | 21 | 66 | 169 | 0 | 8 | 2 | 0 | 0 | 6 | 0 | 3.80 |
| SP | Wheeler, Z.Wheeler, Zack † | Mets | R | 144.0 | 29 | 29 | 18 | 6 | 2.75 | .291 | 1.21 | 7.6 | 3.3 | 8.9 | 202.2 | 170 | 62 | 62 | 9 | 75 | 199 | 0 | 0 | 0 | 0 | 21 | 5 | 5 | 2.80 |
| SP | Toussaint, T.Toussaint, Touki † + | Braves | R | 139.0 | 31 | 31 | 16 | 3 | 2.08 | .272 | 1.09 | 5.5 | 4.3 | 9.5 | 160.0 | 97 | 41 | 37 | 7 | 77 | 169 | 0 | 0 | 0 | 0 | 6 | 5 | 1 | 2.99 |
| SP | Clevinger, M.Clevinger, Mike † | Marlins | R | 127.0 | 30 | 30 | 17 | 9 | 3.03 | .295 | 1.21 | 8.5 | 2.4 | 9.9 | 196.0 | 186 | 72 | 66 | 16 | 52 | 216 | 0 | 0 | 0 | 0 | 23 | 8 | 3 | 2.78 |
| CL | Ottavino, A.Ottavino, Adam † | Cardinals | R | 125.0 | 66 | 0 | 5 | 2 | 2.63 | .304 | 1.23 | 6.0 | 5.1 | 9.3 | 65.0 | 43 | 21 | 19 | 5 | 37 | 67 | 0 | 34 | 3 | 0 | 0 | 5 | 3 | 3.88 |
| CL | Sherfy, J.Sherfy, Jimmie + | Diamondbacks | R | 116.5 | 70 | 0 | 6 | 10 | 2.72 | .288 | 1.20 | 5.8 | 5.1 | 11.1 | 72.2 | 46 | 23 | 22 | 4 | 41 | 89 | 0 | 33 | 1 | 0 | 0 | 1 | 0 | 3.00 |
| SP | Corbin, P.Corbin, Patrick | Diamondbacks | L | 112.0 | 30 | 30 | 13 | 6 | 3.02 | .292 | 1.21 | 8.0 | 2.9 | 10.3 | 185.0 | 164 | 71 | 62 | 18 | 60 | 212 | 1 | 0 | 0 | 1 | 18 | 5 | 3 | 3.03 |