
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 18 Seasons | 4.31 | 750 | 32 | 32 | 11 | 116 | 679.0 | 339 | 651 | 1.41 | ||
| 2017 | 롯데 | 3.86 | 4 | 0 | 1 | 0 | 0 | 2.0 | 0 | 0 | 1 | 2 | 2.50 |
| 2016 | 롯데 | 5.40 | 24 | 0 | 2 | 0 | 5 | 11.0 | 0 | 0 | 9 | 11 | 2.00 |
| 2015 | 롯데 | 4.19 | 50 | 2 | 1 | 2 | 6 | 38.0 | 0 | 0 | 10 | 46 | 1.32 |
| 2014 | 롯데 | 4.79 | 52 | 2 | 5 | 0 | 14 | 47.0 | 0 | 0 | 24 | 42 | 1.49 |
| 2013 | 롯데 | 3.86 | 55 | 1 | 3 | 1 | 9 | 39.0 | 0 | 0 | 19 | 40 | 1.31 |
| 2012 | 롯데 | 3.89 | 55 | 2 | 0 | 0 | 10 | 41.0 | 0 | 0 | 19 | 49 | 1.46 |
| 2011 | 롯데 | 3.51 | 64 | 2 | 1 | 1 | 16 | 41.0 | 0 | 0 | 22 | 39 | 1.39 |
| 2010 | 롯데 | 4.44 | 63 | 3 | 3 | 2 | 7 | 52.0 | 0 | 0 | 24 | 58 | 1.42 |
| 2009 | 롯데 | 4.84 | 54 | 4 | 3 | 2 | 8 | 48.0 | 0 | 0 | 28 | 31 | 1.65 |
| 2008 | 롯데 | 2.88 | 64 | 6 | 2 | 2 | 16 | 56.0 | 0 | 0 | 13 | 41 | 0.86 |
| 2007 | 롯데 | 3.86 | 58 | 0 | 0 | 0 | 5 | 35.0 | 0 | 0 | 13 | 39 | 1.14 |
| 2006 | 삼성 | 4.65 | 30 | 1 | 0 | 0 | 1 | 31.0 | 0 | 0 | 23 | 35 | 1.42 |
| 2005 | 삼성 | 4.83 | 60 | 0 | 0 | 0 | 7 | 31.0 | 0 | 0 | 27 | 37 | 1.71 |
| 2004 | 삼성 | 6.08 | 23 | 2 | 2 | 1 | 5 | 13.0 | 0 | 0 | 7 | 14 | 1.69 |
| 2003 | 삼성 | 4.22 | 38 | 1 | 2 | 0 | 6 | 42.0 | 0 | 0 | 25 | 40 | 1.55 |
| 2002 | 삼성 | 3.79 | 32 | 6 | 3 | 0 | 0 | 95.0 | 0 | 0 | 46 | 88 | 1.36 |
| 2001 | 삼성 | 0.00 | 7 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 3 | 1 | 2.25 |
| 2000 | 해태 | 6.99 | 17 | 0 | 4 | 0 | 1 | 46.0 | 0 | 0 | 26 | 38 | 1.65 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 750 | - | - |
| ERA | 4.31 | - | - |
| IP | 679.0 | - | - |
| W | 32 | - | - |
| L | 32 | - | - |
| SV | 11 | - | - |
| HLD | 116 | - | - |
| SO | 651 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 339 | - | - |
| R | 351 | - | - |
| ER | 325 | - | - |
| HBP | 22 | - | - |
| WHIP | 1.41 | - | - |