Seattle Mariners
- 31-40,
- 4th 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 | 384 | 184 | 175 | 50 | 111 | 380 | 3.90 | 1.23 | .250 | ||||||||||
| League Rank | 15 | 13 | 13 | 21 | 9 | 26 | 16 | T9 | T15 | ||||||||||
| Tom Wilhelmsen | 20 | 0 | 0 | 1 | 12 | 2 | 0 | 0 | 0 | 20.1 | 13 | 9 | 9 | 0 | 11 | 15 | 3.98 | 1.18 | .183 |
| Yoervis Medina | 13 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 0 | 12.2 | 10 | 6 | 6 | 0 | 6 | 18 | 4.26 | 1.26 | .208 |
| Jeremy Bonderman | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 14.0 | 6 | 1 | 1 | 0 | 3 | 7 | 0.64 | 0.64 | .128 |
| Bobby LaFromboise | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 2 | 2 | 2 | 0 | 2 | 5 | 9.00 | 2.00 | .250 |
| Stephen Pryor | 5 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 5.0 | 3 | 0 | 0 | 0 | 0 | 4 | 0.00 | 0.60 | .167 |
| Hector Noesi | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.2 | 7 | 2 | 1 | 0 | 3 | 9 | 0.77 | 0.86 | .175 |
| Danny Farquhar | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 8.0 | 9 | 7 | 7 | 1 | 3 | 10 | 7.88 | 1.50 | .290 |
| Lucas Luetge | 7 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8.0 | 14 | 7 | 7 | 2 | 2 | 9 | 7.88 | 2.00 | .378 |
| Charlie Furbush | 22 | 0 | 0 | 2 | 0 | 1 | 4 | 0 | 0 | 17.2 | 14 | 10 | 8 | 2 | 14 | 26 | 4.08 | 1.58 | .206 |
| Oliver Perez | 14 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 15.0 | 10 | 2 | 2 | 2 | 8 | 20 | 1.20 | 1.20 | .192 |
| Blake Beavan | 6 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 21.0 | 25 | 14 | 14 | 3 | 3 | 12 | 6.00 | 1.33 | .294 |
| Felix Hernandez | 9 | 9 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 63.1 | 55 | 17 | 15 | 4 | 9 | 73 | 2.13 | 1.01 | .235 |
| Carter Capps | 19 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 0 | 21.2 | 26 | 14 | 14 | 5 | 6 | 25 | 5.82 | 1.48 | .299 |
| Hisashi Iwakuma | 7 | 7 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 46.1 | 34 | 10 | 8 | 5 | 7 | 50 | 1.55 | 0.88 | .200 |
| Joe Saunders | 9 | 9 | 4 | 3 | 0 | 0 | 0 | 1 | 0 | 56.1 | 51 | 23 | 22 | 5 | 16 | 31 | 3.51 | 1.19 | .246 |
| Kameron Loe | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 10 | 7 | 7 | 5 | 1 | 3 | 9.95 | 1.74 | .357 |
| Aaron Harang | 8 | 8 | 2 | 6 | 0 | 0 | 0 | 1 | 1 | 40.0 | 53 | 29 | 29 | 8 | 3 | 39 | 6.53 | 1.40 | .312 |
| Brandon Maurer | 7 | 7 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 34.1 | 42 | 24 | 23 | 8 | 14 | 24 | 6.03 | 1.63 | .311 |