Hisashi Iwakuma played 6 seasons for the Mariners. He had 63 wins, 39 losses, an ERA of 3.42 and 714 strikeouts.
Interpreted as:
kuma in his career,| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | H. Iwakuma | 2012 |  SEA | 30 | 9 | 5 | .643 | 16 | 3.16 | 101 | 0 | 0 | 2 | 125.1 | 117 | 44 | 49 | 17 | 43 | 3 | 6 | 3 | 519 | 5 | 7.25 | 3.09 | 2.35 | 1.22 | 19.5 | 8.3 | 1.28 | .282 | 3.52 | 82 | 4.34 | 108 | 8.40 | -5 |
| 2 | | H. Iwakuma | 2013 | SEA | 33 | 14 | 6 | .700 | 33 | 2.66 | 185 | 0 | 0 | 0 | 219.2 | 179 | 65 | 69 | 25 | 42 | 2 | 0 | 4 | 866 | 10 | 7.58 | 1.72 | 4.40 | 1.02 | 21.4 | 4.8 | 1.01 | .252 | 2.83 | 70 | 3.44 | 89 | 7.33 | 10.9 |
| 3 | | H. Iwakuma | 2014 | SEA | 28 | 15 | 9 | .625 | 28 | 3.52 | 154 | 0 | 0 | 0 | 179.0 | 167 | 70 | 70 | 20 | 21 | 2 | 0 | 2 | 709 | 2 | 7.74 | 1.06 | 7.33 | 1.01 | 21.7 | 3.0 | 1.05 | .287 | 3.52 | 96 | 3.25 | 87 | 8.40 | 9.3 |
| 4 | | H. Iwakuma | 2015 | SEA | 20 | 9 | 5 | .643 | 20 | 3.54 | 111 | 1 | 1 | 0 | 129.2 | 117 | 51 | 53 | 18 | 21 | 1 | 0 | 1 | 516 | 1 | 7.70 | 1.46 | 5.29 | 1.25 | 21.5 | 4.1 | 1.06 | .271 | 3.68 | 92 | 3.73 | 94 | 8.12 | 3.2 |
| 5 | | H. Iwakuma | 2016 | SEA | 33 | 16 | 12 | .571 | 33 | 4.12 | 147 | 0 | 0 | 0 | 199.0 | 218 | 91 | 95 | 28 | 46 | 5 | 0 | 3 | 836 | 4 | 6.65 | 2.08 | 3.20 | 1.27 | 17.6 | 5.5 | 1.33 | .311 | 4.30 | 103 | 4.26 | 102 | 9.86 | -2.5 |
| 6 | | H. Iwakuma | 2017 | SEA | 6 | 0 | 2 | .000 | 6 | 4.35 | 16 | 0 | 0 | 0 | 31.0 | 27 | 15 | 16 | 7 | 12 | 2 | 0 | 0 | 128 | 1 | 4.65 | 3.48 | 1.33 | 2.03 | 12.5 | 9.4 | 1.26 | .220 | 4.65 | 104 | 6.41 | 149 | 7.84 | -7.4 |
| Total | 150 | 63 | 39 | .618 | 136 | 3.42 | 714 | 1 | 1 | 2 | 883.2 | 825 | 336 | 352 | 115 | 185 | 15 | 6 | 13 | 3,574 | 23 | 7.27 | 1.88 | 3.86 | 1.17 | 20.0 | 5.2 | 1.14 | .279 | 3.59 | 89 | 3.86 | 97 | 8.40 | 8.5 |
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