| Season | Age | Team | G | GS | IP | K/9 | BB/9 | HR/9 | BABIP | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 30 | LG Twins | 16 | 16 | 95.2 | 7.6 | 2.5 | 0.8 | 0.309 | 3.48 | 3.85 | 1.93 |
| 2019 | 29 | LG Twins | 13 | 0 | 11.0 | 9.0 | 4.9 | 0.0 | 0.344 | 1.64 | 2.99 | 0.15 |
| 2018 | 28 | LG Twins | 66 | 0 | 65.0 | 6.9 | 3.3 | 0.7 | 0.338 | 4.85 | 4.66 | 0.32 |
| 2017 | 27 | LG Twins | 61 | 0 | 61.2 | 8.3 | 3.6 | 0.7 | 0.387 | 5.84 | 4.29 | 0.43 |
| 2016 | 26 | LG Twins | 6 | 0 | 8.0 | 4.5 | 3.4 | 0.0 | 0.269 | 3.38 | 4.24 | 0.07 |
| 2015 | 25 | LG Twins | 32 | 0 | 44.0 | 6.5 | 2.9 | 0.6 | 0.341 | 5.52 | 4.28 | 0.27 |
| 2014 | 24 | LG Twins | 51 | 0 | 52.2 | 7.0 | 4.6 | 0.9 | 0.342 | 4.44 | 5.27 | -0.05 |
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