Hisashi Iwakuma
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015-04-08 | SEA | vs. LAA | L, 5-3 | 6.0 | 9 | 5 | 4 | 0 | 3 | 26 | 2 | 0 | 1 | 7 | 6 | SP, L |
| 2015-04-14 | SEA | @ LAD | L, 6-5 | 5.0 | 6 | 4 | 4 | 3 | 5 | 24 | 2 | 0 | 2 | 6 | 4 | SP |
| 2015-04-20 | SEA | vs. HOU | L, 7-5 | 5.1 | 5 | 4 | 4 | 0 | 3 | 21 | 2 | 0 | 2 | 7 | 5 | SP |
| 2015-07-06 | SEA | vs. DET | L, 12-5 | 5.0 | 8 | 5 | 5 | 0 | 3 | 21 | 0 | 1 | 4 | 6 | 4 | SP |
| 2015-07-11 | SEA | vs. LAA | W, 5-0 | 8.0 | 3 | 0 | 0 | 2 | 6 | 29 | 0 | 0 | 0 | 10 | 8 | SP, W |
| 2015-07-18 | SEA | @ NYY | W, 4-3 | 5.2 | 5 | 2 | 2 | 0 | 5 | 22 | 0 | 0 | 1 | 10 | 2 | SP, W |
| 2015-07-23 | SEA | @ DET | W, 3-2 | 7.0 | 6 | 2 | 2 | 2 | 7 | 27 | 2 | 0 | 0 | 8 | 4 | SP |
| 2015-07-28 | SEA | vs. ARI | L, 8-4 | 5.2 | 10 | 6 | 6 | 1 | 5 | 27 | 2 | 0 | 1 | 4 | 7 | SP, L |
| 2015-08-02 | SEA | @ MIN | W, 4-1 | 8.2 | 3 | 1 | 1 | 1 | 8 | 30 | 1 | 0 | 1 | 12 | 6 | SP |
| 2015-08-07 | SEA | vs. TEX | W, 4-3 | 7.0 | 6 | 3 | 3 | 0 | 6 | 28 | 2 | 0 | 0 | 12 | 3 | SP, W |
| 2015-08-12 | SEA | vs. BAL | W, 3-0 | 9.0 | 0 | 0 | 0 | 3 | 7 | 29 | 0 | 0 | 0 | 11 | 8 | SP, W, CG, SHO |
| 2015-08-18 | SEA | @ TEX | W, 3-2 | 7.0 | 5 | 2 | 2 | 1 | 6 | 26 | 0 | 0 | 1 | 7 | 7 | SP, W |
| 2015-08-24 | SEA | vs. OAK | L, 11-5 | 4.2 | 7 | 7 | 7 | 1 | 4 | 22 | 3 | 0 | 1 | 4 | 6 | SP, L |
| 2015-08-29 | SEA | @ CHW | W, 7-6 | 5.2 | 7 | 2 | 2 | 4 | 6 | 27 | 1 | 0 | 0 | 4 | 6 | SP, W |
| 2015-09-06 | SEA | @ OAK | W, 3-2 | 6.1 | 5 | 1 | 1 | 1 | 3 | 25 | 0 | 0 | 1 | 8 | 8 | SP, W |
| 2015-09-11 | SEA | vs. COL | L, 4-2 | 6.1 | 8 | 3 | 3 | 1 | 6 | 28 | 1 | 0 | 1 | 8 | 5 | SP, L |
| 2015-09-16 | SEA | vs. LAA | W, 3-1 | 6.0 | 4 | 1 | 1 | 0 | 9 | 22 | 2 | 0 | 1 | 5 | 2 | SP, W |
| 2015-09-22 | SEA | @ KCR | W, 11-2 | 7.0 | 3 | 0 | 0 | 1 | 10 | 25 | 0 | 0 | 0 | 5 | 6 | SP, W |
| 2015-09-27 | SEA | @ LAA | L, 3-2 | 7.1 | 8 | 3 | 3 | 0 | 1 | 28 | 1 | 0 | 1 | 11 | 6 | SP, L |
| 2015-10-02 | SEA | vs. OAK | L, 4-2 | 7.0 | 9 | 2 | 1 | 0 | 8 | 29 | 2 | 0 | 0 | 7 | 5 | SP |
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
| Totals | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||||
| 162 Game Avg. | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |