| Season | Age | IP | K/9 | BB/9 | HR/9 | BABIP | xGB% | xFIP | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31 | 80.2 | 4.9 | 3.2 | 1.3 | 0.272 | 30.3 | 4.89 | 5.40 | 0.05 |
| 2024 | 30 | 110 | 5.9 | 2.8 | 1.7 | 0.295 | 28.3 | 5.38 | 6.09 | 0.22 |
| 2023 | 29 | 107.2 | 5.9 | 2.3 | 0.9 | 0.315 | 22.7 | 4.37 | 4.52 | 0.74 |
| 2022 | 28 | 165 | 6.2 | 2.0 | 1.1 | 0.063 | 24.7 | 9.48 | 4.35 | 1.66 |
| 2021 | 27 | 158.1 | 6.4 | 2.1 | 0.9 | 0.291 | 24.6 | 4.19 | 3.98 | 2.91 |
| 2020 | 26 | 123 | 6.9 | 2.6 | 1.1 | 0.312 | 24.2 | 4.62 | 4.58 | 1.16 |
| 2019 | 25 | 54.1 | 6.3 | 2.7 | 0.2 | 0.302 | 30.2 | 4.16 | 3.30 | 0.76 |
Choi Won-joon | 최원준
Doosan Bears | P