
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 12 Seasons | 3.02 | 397 | 21 | 22 | 79 | 60 | 426.0 | 179 | 408 | 1.28 | ||
| 2020 | SK | 5.47 | 28 | 0 | 1 | 0 | 0 | 24.0 | 0 | 0 | 10 | 26 | 1.58 |
| 2019 | SK | 1.57 | 34 | 0 | 1 | 1 | 2 | 28.0 | 0 | 0 | 13 | 14 | 1.50 |
| 2018 | SK | 3.27 | 35 | 1 | 2 | 0 | 4 | 33.0 | 0 | 0 | 15 | 30 | 1.52 |
| 2017 | SK | 6.63 | 48 | 2 | 6 | 8 | 9 | 38.0 | 0 | 0 | 19 | 29 | 1.79 |
| 2016 | SK | 3.29 | 51 | 4 | 5 | 26 | 0 | 54.0 | 0 | 0 | 26 | 37 | 1.28 |
| 2015 | SK | 5.40 | 14 | 0 | 0 | 0 | 2 | 10.0 | 0 | 0 | 8 | 12 | 2.10 |
| 2014 | SK | 3.48 | 21 | 1 | 2 | 13 | 0 | 20.0 | 0 | 0 | 8 | 29 | 1.25 |
| 2013 | SK | 2.27 | 43 | 1 | 2 | 24 | 1 | 47.0 | 0 | 0 | 13 | 46 | 0.94 |
| 2012 | SK | 1.32 | 65 | 8 | 1 | 6 | 34 | 82.0 | 0 | 0 | 27 | 93 | 0.96 |
| 2011 | SK | 1.88 | 39 | 4 | 2 | 1 | 8 | 67.0 | 0 | 0 | 30 | 76 | 1.04 |
| 2010 | SK | 4.58 | 14 | 0 | 0 | 0 | 0 | 17.0 | 0 | 0 | 7 | 15 | 1.76 |
| 2006 | SK | 7.71 | 5 | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 3 | 1 | 5.00 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 397 | - | - |
| ERA | 3.02 | - | - |
| IP | 426.0 | - | - |
| W | 21 | - | - |
| L | 22 | - | - |
| SV | 79 | - | - |
| HLD | 60 | - | - |
| SO | 408 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 179 | - | - |
| R | 159 | - | - |
| ER | 143 | - | - |
| HBP | 27 | - | - |
| WHIP | 1.28 | - | - |