
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 12 Seasons | 5.39 | 390 | 26 | 35 | 5 | 55 | 574.0 | 636 | 41 | 321 | 502 | 1.67 |
| 2025 | 한화 | 2.25 | 71 | 3 | 3 | 3 | 16 | 64.0 | 56 | 4 | 23 | 53 | 1.23 |
| 2024 | 한화 | 5.03 | 70 | 5 | 5 | 0 | 19 | 62.0 | 63 | 2 | 38 | 64 | 1.63 |
| 2023 | 한화 | 6.44 | 21 | 0 | 3 | 0 | 1 | 36.0 | 48 | 3 | 21 | 28 | 1.92 |
| 2022 | KIA | 5.27 | 24 | 4 | 3 | 0 | 0 | 80.0 | 100 | 4 | 40 | 69 | 1.75 |
| 2021 | KIA | 4.56 | 8 | 0 | 3 | 0 | 0 | 23.0 | 25 | 0 | 10 | 17 | 1.52 |
| 2018 | KIA | 5.83 | 21 | 7 | 3 | 0 | 0 | 88.0 | 105 | 8 | 44 | 65 | 1.69 |
| 2017 | KIA | 7.15 | 36 | 1 | 1 | 1 | 3 | 39.0 | 46 | 4 | 23 | 42 | 1.77 |
| 2016 | KIA | 4.86 | 36 | 3 | 2 | 1 | 9 | 33.0 | 36 | 3 | 19 | 31 | 1.67 |
| 2015 | KIA | 5.46 | 49 | 2 | 6 | 0 | 6 | 56.0 | 55 | 7 | 36 | 56 | 1.63 |
| 2014 | KIA | 7.21 | 26 | 1 | 5 | 0 | 0 | 58.0 | 62 | 5 | 48 | 54 | 1.90 |
| 2013 | KIA | 4.74 | 11 | 0 | 0 | 0 | 0 | 19.0 | 24 | 0 | 8 | 15 | 1.68 |
| 2012 | KIA | 7.43 | 17 | 0 | 1 | 0 | 1 | 13.0 | 16 | 1 | 11 | 8 | 2.08 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 390 | - | - |
| ERA | 5.39 | - | - |
| IP | 574.0 | - | - |
| W | 26 | - | - |
| L | 35 | - | - |
| SV | 5 | - | - |
| HLD | 55 | - | - |
| SO | 502 | - | - |
| H | 636 | - | - |
| HR | 41 | - | - |
| BB | 321 | - | - |
| R | 370 | - | - |
| ER | 344 | - | - |
| HBP | 37 | - | - |
| WHIP | 1.67 | - | - |