
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 11 Seasons | 3.77 | 609 | 52 | 48 | 193 | 45 | 628.0 | 585 | 67 | 176 | 636 | 1.21 |
| 2025 | 삼성 | 4.99 | 63 | 4 | 7 | 13 | 3 | 57.0 | 57 | 10 | 13 | 43 | 1.23 |
| 2024 | 삼성 | 4.09 | 65 | 4 | 8 | 11 | 25 | 66.0 | 58 | 13 | 25 | 51 | 1.26 |
| 2023 | KT | 2.60 | 59 | 5 | 5 | 32 | 0 | 65.0 | 54 | 2 | 13 | 60 | 1.03 |
| 2022 | KT | 3.26 | 61 | 9 | 7 | 33 | 0 | 66.0 | 46 | 5 | 21 | 78 | 1.02 |
| 2021 | KT | 2.42 | 65 | 4 | 3 | 32 | 0 | 67.0 | 57 | 5 | 24 | 64 | 1.21 |
| 2020 | KT | 3.26 | 56 | 5 | 3 | 21 | 1 | 60.0 | 62 | 7 | 15 | 58 | 1.28 |
| 2019 | KT | 2.27 | 43 | 2 | 2 | 7 | 9 | 47.0 | 27 | 4 | 12 | 42 | 0.83 |
| 2018 | KT | 4.57 | 62 | 7 | 5 | 15 | 0 | 61.0 | 76 | 11 | 15 | 66 | 1.49 |
| 2017 | KT | 5.79 | 41 | 3 | 5 | 15 | 0 | 37.0 | 41 | 1 | 11 | 31 | 1.41 |
| 2016 | KT | 4.97 | 52 | 8 | 1 | 14 | 1 | 54.0 | 61 | 6 | 15 | 73 | 1.41 |
| 2015 | KT | 4.23 | 42 | 1 | 2 | 0 | 6 | 44.0 | 46 | 3 | 12 | 70 | 1.32 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 609 | - | - |
| ERA | 3.77 | - | - |
| IP | 628.0 | - | - |
| W | 52 | - | - |
| L | 48 | - | - |
| SV | 193 | - | - |
| HLD | 45 | - | - |
| SO | 636 | - | - |
| H | 585 | - | - |
| HR | 67 | - | - |
| BB | 176 | - | - |
| R | 286 | - | - |
| ER | 263 | - | - |
| HBP | 8 | - | - |
| WHIP | 1.21 | - | - |