| Season | Age | IP | K/9 | BB/9 | HR/9 | BABIP | xGB% | xFIP | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 42 | 13 | 5.5 | 6.9 | 1.4 | 0.370 | 45.1 | 5.67 | 6.45 | -0.28 |
| 2024 | 41 | 22 | 11.0 | 8.2 | 1.6 | 0.333 | 35.3 | 5.43 | 6.49 | -0.27 |
| 2023 | 40 | 58 | 10.2 | 6.5 | 0.5 | 0.311 | 29.0 | 4.31 | 4.12 | 0.21 |
| 2022 | 39 | 38.2 | 8.1 | 4.7 | 0.2 | 0.050 | 39.7 | 9.26 | 3.50 | 0.37 |
| 2017 | 34 | 40 | 7.9 | 5.0 | 0.2 | 0.350 | 36.7 | 5.45 | 4.28 | 0.42 |
Ko Hyo-jun | 고효준
Doosan Bears | P