
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 12 Seasons | 4.05 | 369 | 24 | 17 | 18 | 34 | 444.0 | 200 | 308 | 1.45 | ||
| 2021 | SSG | 4.32 | 8 | 0 | 0 | 0 | 0 | 8.0 | 0 | 0 | 5 | 9 | 1.38 |
| 2020 | SK | 9.31 | 24 | 2 | 0 | 0 | 0 | 19.0 | 0 | 0 | 14 | 11 | 2.11 |
| 2019 | SK | 3.32 | 20 | 1 | 0 | 0 | 0 | 21.0 | 0 | 0 | 10 | 14 | 1.14 |
| 2018 | SK | 2.77 | 54 | 2 | 3 | 16 | 6 | 52.0 | 0 | 0 | 28 | 43 | 1.48 |
| 2017 | SK | 3.19 | 32 | 0 | 1 | 2 | 4 | 31.0 | 0 | 0 | 15 | 29 | 1.23 |
| 2016 | SK | 5.50 | 35 | 0 | 1 | 0 | 4 | 18.0 | 0 | 0 | 17 | 17 | 1.83 |
| 2015 | SK | 4.11 | 61 | 0 | 1 | 0 | 9 | 50.0 | 0 | 0 | 17 | 49 | 1.78 |
| 2014 | LG | 3.80 | 57 | 8 | 3 | 0 | 8 | 64.0 | 0 | 0 | 26 | 46 | 1.38 |
| 2013 | LG | 3.05 | 18 | 4 | 4 | 0 | 0 | 56.0 | 0 | 0 | 18 | 21 | 1.25 |
| 2012 | LG | 3.59 | 12 | 5 | 2 | 0 | 0 | 57.0 | 0 | 0 | 23 | 30 | 1.33 |
| 2006 | LG | 4.61 | 22 | 1 | 2 | 0 | 1 | 52.0 | 0 | 0 | 17 | 30 | 1.31 |
| 2005 | LG | 7.43 | 26 | 1 | 0 | 0 | 2 | 13.0 | 0 | 0 | 10 | 9 | 2.46 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 369 | - | - |
| ERA | 4.05 | - | - |
| IP | 444.0 | - | - |
| W | 24 | - | - |
| L | 17 | - | - |
| SV | 18 | - | - |
| HLD | 34 | - | - |
| SO | 308 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 200 | - | - |
| R | 220 | - | - |
| ER | 200 | - | - |
| HBP | 18 | - | - |
| WHIP | 1.45 | - | - |