| SP | Gilbert, L.Gilbert, Logan | 27 | Mariners | R | 76.0 | 13 | 13 | 9 | 2 | 2.09 | .260 | 1.04 | 6.1 | 3.3 | 8.0 | 90.1 | 61 | 21 | 21 | 4 | 33 | 80 | 0 | 0 | 0 | 0 | 11 | 1 | 2 | 2.93 |
| SP | Hernandez, F.Hernandez, Felix | 28 | Mariners | R | 71.0 | 13 | 13 | 7 | 2 | 2.29 | .240 | 0.94 | 6.5 | 1.9 | 9.6 | 98.1 | 71 | 25 | 25 | 8 | 21 | 104 | 2 | 0 | 0 | 1 | 12 | 1 | 5 | 2.61 |
| SP | Scherzer, M.Scherzer, Max | 37 | Filibusters | R | 57.0 | 13 | 13 | 9 | 4 | 3.36 | .295 | 1.26 | 7.0 | 4.4 | 8.8 | 80.1 | 62 | 34 | 30 | 6 | 39 | 78 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 3.49 |
| SP | Martinez, P.Martinez, Pedro | 26 | Filibusters | R | 55.0 | 13 | 13 | 5 | 4 | 2.92 | .291 | 1.20 | 8.4 | 2.5 | 10.6 | 101.2 | 94 | 35 | 33 | 9 | 28 | 119 | 4 | 0 | 0 | 2 | 8 | 3 | 1 | 2.72 |
| SP | Langston, M.Langston, Mark # | 29 | Filibusters | L | 44.0 | 12 | 12 | 8 | 3 | 4.27 | .362 | 1.68 | 8.3 | 6.8 | 6.6 | 78.0 | 72 | 38 | 37 | 6 | 59 | 57 | 0 | 0 | 0 | 0 | 7 | 2 | 3 | 4.88 |