| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 15 Seasons | 4.55 | 278 | 75 | 65 | 5 | 4 | 1200.0 | 397 | 727 | 1.38 | ||
| 2009 | 한화 | 6.75 | 8 | 0 | 0 | 0 | 0 | 10.0 | 0 | 0 | 1 | 9 | 1.50 |
| 2008 | SK | 1.93 | 14 | 0 | 0 | 0 | 1 | 14.0 | 0 | 0 | 1 | 5 | 1.00 |
| 2007 | SK | 12.96 | 4 | 0 | 0 | 0 | 1 | 8.0 | 0 | 0 | 4 | 8 | 2.88 |
| 2006 | LG | 4.80 | 9 | 2 | 5 | 0 | 0 | 45.0 | 0 | 0 | 11 | 23 | 1.40 |
| 2005 | KIA | 6.02 | 24 | 1 | 5 | 2 | 2 | 61.0 | 0 | 0 | 24 | 48 | 1.56 |
| 2004 | KIA | 12.89 | 5 | 1 | 2 | 0 | 0 | 14.0 | 0 | 0 | 12 | 10 | 2.86 |
| 2003 | KIA | 3.56 | 22 | 11 | 5 | 0 | 0 | 126.0 | 0 | 0 | 38 | 63 | 1.32 |
| 2002 | KIA | 4.47 | 24 | 8 | 7 | 0 | 0 | 133.0 | 0 | 0 | 33 | 79 | 1.38 |
| 2001 | KIA | 4.32 | 29 | 12 | 10 | 0 | 0 | 185.0 | 0 | 0 | 64 | 106 | 1.31 |
| 2000 | 해태 | 4.56 | 30 | 12 | 9 | 0 | 0 | 185.0 | 0 | 0 | 62 | 136 | 1.38 |
| 1999 | 해태 | 5.33 | 29 | 7 | 5 | 1 | 0 | 121.0 | 0 | 0 | 40 | 73 | 1.35 |
| 1998 | 해태 | 4.25 | 30 | 8 | 2 | 1 | 0 | 97.0 | 0 | 0 | 29 | 56 | 1.38 |
| 1996 | 해태 | 9.31 | 4 | 0 | 2 | 0 | 0 | 9.0 | 0 | 0 | 3 | 4 | 2.56 |
| 1995 | 태평양 | 8.28 | 10 | 0 | 4 | 0 | 0 | 29.0 | 0 | 0 | 16 | 17 | 2.00 |
| 1994 | 태평양 | 2.51 | 36 | 13 | 9 | 1 | 0 | 158.0 | 0 | 0 | 59 | 90 | 1.15 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 278 | - | - |
| ERA | 4.55 | - | - |
| IP | 1200.0 | - | - |
| W | 75 | - | - |
| L | 65 | - | - |
| SV | 5 | - | - |
| HLD | 4 | - | - |
| SO | 727 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 397 | - | - |
| R | 664 | - | - |
| ER | 607 | - | - |
| HBP | 59 | - | - |
| WHIP | 1.38 | - | - |
Yagoonara