| Season | Age | Team | G | GS | IP | K/9 | BB/9 | HR/9 | BABIP | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 35 | Lotte Giants | 44 | 0 | 32.1 | 4.5 | 1.7 | 1.4 | 0.280 | 3.90 | 5.30 | 0.00 |
| 2019 | 34 | Lotte Giants | 15 | 0 | 12.2 | 5.7 | 1.4 | 4.3 | 0.237 | 4.97 | 8.96 | -0.57 |
| 2018 | 33 | Lotte Giants | 72 | 0 | 64.2 | 8.8 | 1.7 | 1.5 | 0.307 | 3.76 | 4.73 | 0.60 |
| 2016 | 31 | Doosan Bears | 20 | 0 | 20.2 | 7.4 | 1.3 | 1.3 | 0.394 | 6.10 | 4.71 | 0.09 |
| 2015 | 30 | Doosan Bears | 61 | 0 | 56.0 | 7.2 | 2.6 | 1.0 | 0.321 | 5.30 | 4.41 | 0.26 |
| 2014 | 29 | Doosan Bears | 58 | 2 | 66.2 | 7.6 | 2.4 | 0.8 | 0.350 | 3.64 | 4.30 | 0.63 |
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