| Season | Age | Team | G | GS | IP | K/9 | BB/9 | HR/9 | BABIP | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 31 | LG Twins | 50 | 0 | 53.1 | 6.6 | 2.0 | 1.0 | 0.293 | 3.71 | 4.28 | 0.29 |
| 2019 | 30 | LG Twins | 18 | 0 | 23.0 | 5.1 | 3.9 | 1.6 | 0.273 | 6.26 | 6.18 | -0.54 |
| 2018 | 29 | LG Twins | 28 | 0 | 37.0 | 6.8 | 2.7 | 1.5 | 0.250 | 4.62 | 5.50 | -0.14 |
| 2017 | 28 | LG Twins | 35 | 0 | 38.0 | 7.3 | 3.6 | 2.1 | 0.270 | 5.68 | 6.70 | -0.70 |
| 2016 | 27 | LG Twins | 26 | 0 | 34.2 | 5.7 | 3.9 | 0.5 | 0.259 | 4.41 | 4.87 | 0.10 |
| 2015 | 26 | LG Twins | 17 | 0 | 20.2 | 9.1 | 2.6 | 3.0 | 0.391 | 8.27 | 7.08 | -0.48 |
| 2014 | 25 | LG Twins | 1 | 0 | 2.1 | 7.7 | 11.6 | 3.9 | 0.167 | 11.57 | 11.48 | -0.13 |
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