| Season | Age | IP | K/9 | BB/9 | HR/9 | BABIP | xGB% | xFIP | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 27 | 4.2 | 11.6 | 5.8 | 0.0 | 0.333 | 29.0 | 4.14 | 2.84 | 0.15 |
| 2024 | 26 | 73 | 9.1 | 5.8 | 1.8 | 0.414 | 34.5 | 5.48 | 6.50 | -0.48 |
| 2023 | 25 | 130.1 | 7.9 | 2.9 | 0.6 | 0.330 | 33.0 | 3.70 | 3.52 | 2.66 |
| 2022 | 24 | 117.2 | 9.4 | 2.8 | 0.4 | 0.067 | 38.3 | 7.59 | 2.75 | 2.58 |
| 2021 | 23 | 46.1 | 5.2 | 4.7 | 0.8 | 0.345 | 34.8 | 5.11 | 4.79 | 0.12 |
Na Gyun-an | 나균안
Lotte Giants | P