| SP | Clevinger, M.Clevinger, Mike $$ | Indians | R | 235.0 | 40 | 40 | 26 | 4 | 2.34 | .265 | 1.07 | 7.2 | 2.4 | 10.7 | 273.0 | 219 | 79 | 71 | 28 | 73 | 325 | 3 | 0 | 0 | 3 | 34 | 4 | 5 | 2.80 |
| RP | Castillo, D.Castillo, Diego $$ | Rays | R | 161.0 | 104 | 0 | 16 | 3 | 1.87 | .228 | 0.88 | 4.9 | 3.0 | 10.5 | 163.1 | 89 | 35 | 34 | 8 | 54 | 191 | 0 | 8 | 4 | 0 | 0 | 2 | 8 | 2.33 |
| SP | McCullers, L.McCullers, Lance | Astros | R | 155.0 | 34 | 34 | 17 | 5 | 2.26 | .282 | 1.17 | 6.8 | 3.8 | 9.8 | 206.2 | 155 | 53 | 52 | 7 | 86 | 225 | 0 | 0 | 0 | 0 | 21 | 3 | 6 | 2.55 |
| SP | Bieber, S.Bieber, Shane + | Indians | R | 147.0 | 38 | 38 | 18 | 12 | 3.12 | .259 | 1.03 | 7.3 | 2.0 | 10.2 | 254.0 | 205 | 93 | 88 | 33 | 56 | 288 | 3 | 0 | 0 | 1 | 28 | 5 | 10 | 3.14 |
| SP | Mengden, D.Mengden, Daniel $$ | Athletics | R | 145.0 | 35 | 35 | 19 | 4 | 3.03 | .264 | 1.06 | 7.0 | 2.5 | 8.6 | 199.0 | 154 | 70 | 67 | 18 | 56 | 191 | 0 | 0 | 0 | 0 | 21 | 4 | 4 | 3.16 |
| RP | Cole, T.Cole, Taylor + $$ | Angels | R | 144.5 | 82 | 0 | 12 | 3 | 2.74 | .267 | 1.07 | 5.6 | 4.1 | 9.9 | 177.1 | 110 | 58 | 54 | 13 | 80 | 194 | 0 | 13 | 2 | 0 | 0 | 4 | 1 | 3.19 |
| CL | Kimbrel, C.Kimbrel, Craig $$ | Royals | R | 138.0 | 86 | 0 | 18 | 1 | 2.43 | .245 | 0.95 | 5.7 | 2.9 | 11.0 | 133.1 | 84 | 38 | 36 | 10 | 43 | 162 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 2.58 |
| RP | Wendelken, J.Wendelken, J.B. $$ | Athletics | R | 131.0 | 110 | 0 | 14 | 2 | 2.16 | .232 | 0.87 | 5.6 | 2.2 | 7.3 | 150.1 | 94 | 39 | 36 | 9 | 37 | 121 | 0 | 6 | 7 | 0 | 0 | 5 | 2 | 3.01 |