| Season | Age | IP | K/9 | BB/9 | HR/9 | BABIP | xGB% | xFIP | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33 | 27.2 | 6.2 | 2.0 | 0.3 | 0.247 | 35.8 | 3.77 | 3.13 | 0.69 |
| 2024 | 32 | 134 | 9.1 | 2.8 | 0.8 | 0.346 | 37.5 | 4.07 | 3.91 | 3.23 |
| 2023 | 31 | 144.2 | 6.4 | 3.4 | 0.6 | 0.287 | 37.8 | 4.13 | 4.09 | 1.81 |
| 2022 | 30 | 103.2 | 6.5 | 3.4 | 0.9 | 0.066 | 31.8 | 9.06 | 4.41 | 0.98 |
| 2021 | 29 | 90.2 | 6.7 | 4.1 | 0.7 | 0.257 | 33.3 | 4.46 | 4.26 | 1.38 |
| 2020 | 28 | 147.2 | 8.4 | 4.0 | 0.9 | 0.308 | 34.9 | 4.32 | 4.28 | 2.64 |
| 2019 | 27 | 88.2 | 7.3 | 4.7 | 1.0 | 0.288 | 28.7 | 4.61 | 4.99 | -0.12 |
| 2018 | 26 | 146.2 | 7.7 | 2.9 | 1.4 | 0.364 | 37.9 | 5.13 | 5.33 | 1.63 |
| 2017 | 25 | 124.1 | 8.2 | 3.3 | 0.9 | 0.331 | 40.8 | 4.90 | 4.78 | 1.85 |
Im Chan-kyu | 임찬규
LG Twins | P