
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 12 Seasons | 4.02 | 337 | 19 | 20 | 18 | 30 | 519.0 | 186 | 394 | 1.35 | ||
| 2011 | LG | 2.57 | 4 | 0 | 0 | 0 | 0 | 7.0 | 0 | 0 | 0 | 1 | 0.57 |
| 2010 | LG | 0.00 | 5 | 0 | 0 | 0 | 0 | 5.0 | 0 | 0 | 0 | 4 | 1.00 |
| 2009 | LG | 4.76 | 28 | 2 | 1 | 1 | 1 | 34.0 | 0 | 0 | 12 | 25 | 1.56 |
| 2008 | LG | 2.31 | 30 | 1 | 0 | 0 | 2 | 46.0 | 0 | 0 | 14 | 27 | 1.22 |
| 2007 | LG | 5.96 | 23 | 1 | 0 | 0 | 2 | 22.0 | 0 | 0 | 10 | 16 | 1.59 |
| 2006 | LG | 3.46 | 34 | 2 | 3 | 2 | 5 | 52.0 | 0 | 0 | 16 | 28 | 1.23 |
| 2005 | LG | 3.98 | 43 | 0 | 2 | 9 | 4 | 54.0 | 0 | 0 | 14 | 37 | 1.13 |
| 2004 | LG | 1.04 | 6 | 0 | 1 | 1 | 0 | 8.0 | 0 | 0 | 1 | 5 | 0.75 |
| 2003 | LG | 4.20 | 54 | 4 | 4 | 1 | 11 | 70.0 | 0 | 0 | 34 | 73 | 1.54 |
| 2002 | LG | 4.64 | 40 | 1 | 1 | 1 | 2 | 52.0 | 0 | 0 | 21 | 46 | 1.38 |
| 2001 | LG | 4.37 | 46 | 4 | 3 | 2 | 3 | 80.0 | 0 | 0 | 36 | 76 | 1.50 |
| 2000 | LG | 4.32 | 24 | 4 | 5 | 1 | 0 | 85.0 | 0 | 0 | 28 | 56 | 1.38 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 337 | - | - |
| ERA | 4.02 | - | - |
| IP | 519.0 | - | - |
| W | 19 | - | - |
| L | 20 | - | - |
| SV | 18 | - | - |
| HLD | 30 | - | - |
| SO | 394 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 186 | - | - |
| R | 260 | - | - |
| ER | 232 | - | - |
| HBP | 28 | - | - |
| WHIP | 1.35 | - | - |