| Season | Age | Team | G | GS | IP | K/9 | BB/9 | HR/9 | BABIP | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 30 | SK Wyverns | 46 | 0 | 47.1 | 7.0 | 2.9 | 1.3 | 0.353 | 5.89 | 4.85 | 0.20 |
| 2019 | 29 | Hanwha Eagles | 55 | 1 | 66.2 | 8.6 | 1.8 | 1.1 | 0.338 | 5.80 | 3.71 | 0.59 |
| 2018 | 28 | Hanwha Eagles | 63 | 0 | 79.1 | 9.6 | 2.6 | 1.1 | 0.279 | 2.84 | 4.29 | 0.97 |
| 2017 | 27 | Hanwha Eagles | 16 | 12 | 59.0 | 4.4 | 4.0 | 1.8 | 0.327 | 7.17 | 6.76 | -0.35 |
| 2016 | 26 | Hanwha Eagles | 29 | 25 | 112.1 | 4.8 | 5.0 | 1.2 | 0.305 | 4.97 | 6.14 | 0.34 |
| 2015 | 25 | Hanwha Eagles | 1 | NA | 3.1 | 13.5 | 5.4 | 2.7 | NA | 8.10 | 6.25 | NA |
| 2014 | 24 | Hanwha Eagles | 30 | 26 | 153.0 | 5.6 | 2.4 | 1.6 | 0.310 | 5.29 | 5.75 | 1.10 |
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