| Season | Age | IP | K/9 | BB/9 | HR/9 | BABIP | xGB% | xFIP | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24 | 55 | 7.7 | 4.3 | 0.7 | 0.046 | 33.3 | 9.42 | 4.24 | 0.72 |
| 2024 | 23 | 121.2 | 8.3 | 4.8 | 1.3 | 0.306 | 37.2 | 5.15 | 5.62 | 0.61 |
| 2023 | 22 | 144.2 | 5.5 | 4.3 | 0.7 | 0.312 | 37.3 | 4.77 | 4.78 | 0.87 |
| 2022 | 21 | 144 | 7.0 | 3.6 | 1.0 | 0.061 | 34.6 | 9.11 | 4.43 | 1.00 |
| 2021 | 20 | 110 | 7.8 | 6.0 | 0.9 | 0.334 | 35.2 | 5.05 | 5.12 | 0.28 |
| 2020 | 19 | 9.2 | 8.4 | 5.6 | 0.9 | 0.333 | 40.2 | 5.21 | 5.15 | 0.01 |
Oh Won-seok | 오원석
KT Wiz | P