Hisashi Iwakuma
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012-04-20 | SEA | vs. CHW | L, 7-3 | 4.0 | 1 | 1 | 1 | 1 | 2 | 13 | 0 | 0 | 1 | 5 | 4 | RP |
| 2012-04-28 | SEA | @ TOR | L, 7-0 | 1.0 | 3 | 4 | 4 | 1 | 2 | 7 | 1 | 0 | 1 | 1 | 0 | RP |
| 2012-05-07 | SEA | vs. DET | W, 3-2 | 3.0 | 3 | 1 | 1 | 0 | 5 | 12 | 0 | 0 | 0 | 3 | 1 | RP |
| 2012-05-16 | SEA | @ CLE | L, 9-3 | 4.0 | 3 | 1 | 1 | 3 | 4 | 18 | 1 | 0 | 1 | 5 | 3 | RP |
| 2012-05-30 | SEA | @ TEX | W, 21-8 | 3.0 | 5 | 3 | 3 | 1 | 0 | 15 | 2 | 0 | 0 | 4 | 4 | RP, SV |
| 2012-06-02 | SEA | @ CHW | W, 10-8 | 1.0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 0 | 0 | 2 | 0 | RP, SV |
| 2012-06-05 | SEA | @ LAA | L, 6-1 | 3.0 | 1 | 0 | 0 | 1 | 1 | 10 | 1 | 0 | 0 | 7 | 0 | RP |
| 2012-06-09 | SEA | vs. LAD | L, 8-3 | 1.1 | 2 | 1 | 1 | 0 | 1 | 5 | 0 | 0 | 0 | 2 | 0 | RP |
| 2012-06-10 | SEA | vs. LAD | L, 8-2 | 2.1 | 1 | 0 | 0 | 3 | 2 | 9 | 0 | 0 | 0 | 2 | 1 | RP |
| 2012-06-14 | SEA | vs. SDP | L, 6-2 | 0.0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | RP |
| 2012-06-16 | SEA | vs. SFG | W, 7-4 | 2.0 | 0 | 0 | 0 | 1 | 2 | 7 | 0 | 0 | 0 | 3 | 1 | RP, W |
| 2012-06-19 | SEA | @ ARI | W, 12-9 | 0.2 | 5 | 3 | 3 | 1 | 0 | 8 | 0 | 0 | 1 | 1 | 1 | RP |
| 2012-06-20 | SEA | @ ARI | L, 14-10 | 1.1 | 2 | 1 | 1 | 0 | 0 | 5 | 0 | 0 | 1 | 1 | 2 | RP |
| 2012-06-27 | SEA | vs. OAK | L, 2-1 | 3.2 | 1 | 1 | 1 | 2 | 3 | 13 | 0 | 0 | 1 | 4 | 3 | RP, L |
| 2012-07-02 | SEA | vs. BAL | W, 6-3 | 5.0 | 3 | 3 | 3 | 3 | 4 | 20 | 1 | 0 | 1 | 5 | 5 | SP |
| 2012-07-15 | SEA | vs. TEX | L, 4-0 | 5.0 | 7 | 4 | 4 | 3 | 0 | 23 | 1 | 0 | 1 | 9 | 4 | SP, L |
| 2012-07-20 | SEA | @ TBR | L, 4-3 | 6.0 | 6 | 2 | 2 | 1 | 7 | 24 | 1 | 0 | 1 | 3 | 6 | SP |
| 2012-07-25 | SEA | vs. NYY | L, 5-2 | 5.0 | 6 | 1 | 1 | 3 | 3 | 22 | 1 | 0 | 1 | 6 | 4 | SP |
| 2012-07-30 | SEA | vs. TOR | W, 4-1 | 8.0 | 4 | 1 | 1 | 3 | 13 | 31 | 1 | 0 | 1 | 4 | 5 | SP, W |
| 2012-08-05 | SEA | @ NYY | L, 6-2 | 5.0 | 7 | 4 | 3 | 2 | 4 | 26 | 1 | 0 | 1 | 6 | 5 | SP, L |
| 2012-08-11 | SEA | @ LAA | W, 7-4 | 7.0 | 6 | 3 | 3 | 1 | 4 | 26 | 0 | 0 | 1 | 9 | 5 | SP, W |
| 2012-08-17 | SEA | vs. MIN | W, 5-3 | 7.0 | 4 | 1 | 0 | 1 | 6 | 26 | 1 | 0 | 0 | 5 | 9 | SP, W |
| 2012-08-22 | SEA | vs. CLE | W, 3-1 | 5.2 | 6 | 1 | 1 | 3 | 5 | 23 | 0 | 0 | 0 | 5 | 3 | SP |
| 2012-08-28 | SEA | @ MIN | W, 5-2 | 6.0 | 1 | 1 | 0 | 4 | 4 | 22 | 0 | 0 | 0 | 6 | 6 | SP, W |
| 2012-09-02 | SEA | vs. LAA | W, 2-1 | 7.1 | 5 | 0 | 0 | 0 | 7 | 27 | 2 | 0 | 0 | 9 | 5 | SP, W |
| 2012-09-08 | SEA | vs. OAK | L, 6-1 | 3.2 | 6 | 5 | 4 | 2 | 3 | 20 | 2 | 0 | 1 | 5 | 3 | SP, L |
| 2012-09-14 | SEA | @ TEX | L, 9-3 | 5.1 | 7 | 2 | 2 | 1 | 4 | 24 | 1 | 0 | 2 | 4 | 8 | SP, L |
| 2012-09-21 | SEA | vs. TEX | W, 6-3 | 7.0 | 8 | 3 | 3 | 0 | 4 | 27 | 2 | 0 | 1 | 11 | 4 | SP, W |
| 2012-09-27 | SEA | @ LAA | W, 9-4 | 6.0 | 7 | 2 | 1 | 0 | 3 | 25 | 3 | 0 | 0 | 8 | 5 | SP, W |
| 2012-10-02 | SEA | vs. LAA | W, 6-1 | 6.0 | 6 | 0 | 0 | 1 | 7 | 26 | 0 | 0 | 0 | 7 | 4 | SP, W |
| Date | Team | Opponent | Result | IP | H | R | ER | BB | SO | PA | 2B | 3B | HR | GO | FO | MISC |
| Totals | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||||
| 162 Game Avg. | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |