
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 13 Seasons | 4.83 | 373 | 28 | 23 | 20 | 59 | 445.0 | 180 | 328 | 1.40 | ||
| 2019 | SK | 10.07 | 20 | 1 | 1 | 0 | 1 | 19.0 | 0 | 0 | 2 | 9 | 1.63 |
| 2018 | SK | 5.84 | 49 | 1 | 3 | 9 | 2 | 44.0 | 0 | 0 | 12 | 44 | 1.43 |
| 2017 | SK | 3.57 | 61 | 5 | 3 | 7 | 16 | 68.0 | 0 | 0 | 33 | 49 | 1.34 |
| 2016 | SK | 5.40 | 49 | 2 | 3 | 2 | 11 | 51.0 | 0 | 0 | 17 | 26 | 1.41 |
| 2015 | SK | 5.33 | 24 | 2 | 2 | 0 | 2 | 25.0 | 0 | 0 | 13 | 28 | 1.52 |
| 2014 | SK | 5.82 | 43 | 6 | 4 | 1 | 10 | 43.0 | 0 | 0 | 23 | 34 | 1.51 |
| 2013 | SK | 1.65 | 38 | 5 | 2 | 0 | 14 | 49.0 | 0 | 0 | 24 | 53 | 1.31 |
| 2012 | SK | 3.14 | 37 | 4 | 3 | 0 | 3 | 77.0 | 0 | 0 | 30 | 48 | 1.06 |
| 2011 | 두산 | 9.00 | 4 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 1 | 0 | 1.75 |
| 2010 | 두산 | 6.14 | 10 | 1 | 1 | 0 | 0 | 14.0 | 0 | 0 | 5 | 11 | 1.57 |
| 2009 | 두산 | 5.86 | 19 | 0 | 0 | 1 | 0 | 27.0 | 0 | 0 | 9 | 16 | 1.63 |
| 2006 | 두산 | 9.64 | 7 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 6 | 1 | 2.75 |
| 2005 | 두산 | 8.22 | 12 | 1 | 1 | 0 | 0 | 15.0 | 0 | 0 | 5 | 9 | 2.07 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 373 | - | - |
| ERA | 4.83 | - | - |
| IP | 445.0 | - | - |
| W | 28 | - | - |
| L | 23 | - | - |
| SV | 20 | - | - |
| HLD | 59 | - | - |
| SO | 328 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 180 | - | - |
| R | 254 | - | - |
| ER | 239 | - | - |
| HBP | 32 | - | - |
| WHIP | 1.40 | - | - |