Seattle Mariners
- 32-40,
- 3rd AL West
Team Leaders
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Wins
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Earned Run Average
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Strikeouts
| Pitching | G | GS | W | L | SV | BS | HLD | CG | SHO | IP | H | R | ER | HR | BB | K | ERA | WHIP | BAA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Totals | 236 | 123 | 117 | 29 | 75 | 191 | 4.49 | 1.33 | .263 | ||||||||||
| League Rank | 21 | T23 | T26 | T23 | 14 | T13 | 25 | 20 | 23 | ||||||||||
| Aaron Harang | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 19.2 | 16 | 10 | 9 | 3 | 6 | 17 | 4.12 | 1.12 | .208 |
| Oliver Pérez | 13 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 9.1 | 10 | 1 | 1 | 0 | 4 | 13 | 0.96 | 1.50 | .270 |
| Charlie Furbush | 8 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 8.2 | 3 | 3 | 2 | 1 | 1 | 10 | 2.08 | 0.46 | .107 |
| Carter Capps | 9 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 8.0 | 9 | 3 | 3 | 2 | 3 | 11 | 3.38 | 1.50 | .273 |
| Blake Beavan | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 12 | 9 | 9 | 4 | 2 | 7 | 10.57 | 1.83 | .343 |
| Danny Farquhar | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 4 | 4 | 4 | 0 | 2 | 10 | 6.35 | 1.06 | .200 |
| Félix Hernández | 6 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 41.1 | 33 | 13 | 12 | 2 | 11 | 37 | 2.61 | 1.06 | .223 |
| Hisashi Iwakuma | 8 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 54.0 | 38 | 16 | 15 | 5 | 10 | 40 | 2.50 | 0.89 | .203 |
| Héctor Noesí | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7.1 | 20 | 9 | 9 | 1 | 4 | 7 | 11.05 | 3.27 | .476 |
| Brandon Maurer | 3 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 15.0 | 24 | 16 | 15 | 2 | 3 | 8 | 9.00 | 1.80 | .375 |
| Kameron Loe | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0.1 | 1 | 1 | 1 | 1 | 0 | 0 | 27.00 | 3.00 | .500 |
| Bobby LaFromboise | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 3.00 | .000 |
| Yoervis Medina | 9 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 10.0 | 6 | 2 | 2 | 0 | 8 | 6 | 1.80 | 1.40 | .176 |
| Lucas Luetge | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.1 | 3 | 2 | 2 | 0 | 2 | 1 | 5.40 | 1.50 | .300 |
| Stephen Pryor | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2.1 | 0 | 0 | 0 | 0 | 1 | 3 | 0.00 | 0.43 | .000 |
| Tom Wilhelmsen | 9 | 0 | 0 | 1 | 4 | 2 | 0 | 0 | 0 | 9.0 | 5 | 4 | 3 | 0 | 5 | 6 | 3.00 | 1.11 | .167 |
| Joe Saunders | 5 | 5 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 28.0 | 43 | 23 | 23 | 5 | 11 | 14 | 7.39 | 1.93 | .352 |
| Jeremy Bonderman | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4.2 | 9 | 7 | 7 | 3 | 1 | 1 | 13.50 | 2.14 | .409 |