| Season | Age | IP | K/9 | BB/9 | HR/9 | BABIP | xGB% | xFIP | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 38 | 41 | 5.3 | 2.4 | 0.9 | 0.345 | 44.1 | 4.10 | 4.44 | 0.37 |
| 2022 | 37 | 17 | 3.7 | 3.7 | 0.0 | 0.084 | 42.9 | 9.13 | 3.86 | 0.10 |
| 2020 | 35 | 5.2 | 3.2 | 9.5 | 1.6 | 0.381 | 28.1 | 7.83 | 8.26 | -0.11 |
| 2018 | 33 | 71.2 | 5.8 | 4.1 | 1.5 | 0.360 | 38.8 | 6.27 | 6.51 | -0.18 |
| 2017 | 32 | 180.1 | 6.2 | 2.5 | 0.6 | 0.287 | 44.2 | 4.72 | 4.24 | 3.77 |
Jang Won-jun | 장원준
Doosan Bears | P