| SP | Tanaka, M.Tanaka, Masahiro + | 31 | Angels | R | 95 | 32 | 32 | 15 | 13 | 3.22 | .274 | 1.10 | 7.9 | 2.0 | 10.2 | 265.1 | 232 | 98 | 95 | 34 | 60 | 299 | 21 | 0 | 0 | 3 | 18 | 8 | 3 | 3.18 |
| SP | Hernandez, F.Hernandez, Felix | 35 | Royals | R | 97 | 39 | 39 | 20 | 11 | 2.78 | .236 | 0.90 | 6.6 | 1.5 | 7.8 | 310.2 | 228 | 101 | 96 | 37 | 53 | 270 | 25 | 0 | 0 | 2 | 26 | 7 | 0 | 3.39 |
| SP | Bieber, S.Bieber, Shane # + | 26 | Royales | R | 98 | 36 | 36 | 20 | 13 | 3.58 | .267 | 1.07 | 7.3 | 2.3 | 11.0 | 246.2 | 200 | 101 | 98 | 38 | 64 | 301 | 11 | 0 | 0 | 3 | 23 | 5 | 12 | 3.40 |
| SP | Severino, L.Severino, Luis + | 27 | Cannon Ballers | R | 82 | 34 | 34 | 15 | 11 | 3.86 | .287 | 1.19 | 8.2 | 2.6 | 10.0 | 207.2 | 189 | 92 | 89 | 21 | 59 | 229 | 3 | 0 | 0 | 0 | 23 | 3 | 3 | 3.00 |
| RP | Fairbanks, P.Fairbanks, Peter | 28 | Royales | R | 95 | 85 | 0 | 11 | 3 | 4.49 | .324 | 1.37 | 9.3 | 3.1 | 10.3 | 106.1 | 109 | 53 | 53 | 10 | 37 | 121 | 0 | 2 | 4 | 0 | 0 | 7 | 0 | 3.19 |
| CL | Rainey, T.Rainey, Tanner + | 28 | Cannon Ballers | R | 97 | 78 | 0 | 6 | 7 | 2.93 | .266 | 1.08 | 5.2 | 4.5 | 10.4 | 92.0 | 53 | 36 | 30 | 11 | 46 | 106 | 0 | 32 | 5 | 0 | 0 | 1 | 8 | 3.78 |
| CL | Chapman, A.Chapman, Aroldis + | 32 | Cardinals | L | 98 | 55 | 0 | 2 | 3 | 3.48 | .252 | 0.98 | 5.8 | 3.0 | 11.8 | 54.1 | 35 | 24 | 21 | 6 | 18 | 71 | 0 | 42 | 7 | 0 | 0 | 2 | 2 | 2.93 |