
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 15 Seasons | 3.48 | 290 | 124 | 96 | 3 | 1831.0 | 491 | 1278 | 1.24 | |||
| 2008 | KIA | 14.73 | 1 | 0 | 1 | 0 | 0 | 3.0 | 0 | 0 | 2 | 3 | 2.33 |
| 2007 | 현대 | 12.81 | 7 | 0 | 6 | 0 | 0 | 19.0 | 0 | 0 | 11 | 6 | 2.42 |
| 2006 | 현대 | 4.50 | 1 | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 1 | 1 | 1.50 |
| 2005 | 현대 | 4.73 | 8 | 0 | 3 | 0 | 0 | 26.0 | 0 | 0 | 6 | 13 | 1.54 |
| 2004 | 현대 | 5.00 | 28 | 7 | 14 | 0 | 0 | 165.0 | 0 | 0 | 42 | 123 | 1.42 |
| 2003 | 현대 | 3.31 | 29 | 17 | 2 | 0 | 0 | 177.0 | 0 | 0 | 42 | 122 | 1.25 |
| 2000 | 현대 | 3.48 | 29 | 18 | 6 | 0 | 0 | 207.0 | 0 | 0 | 66 | 153 | 1.25 |
| 1999 | 현대 | 2.54 | 33 | 20 | 7 | 3 | 0 | 230.0 | 0 | 0 | 63 | 178 | 1.18 |
| 1998 | 현대 | 2.83 | 28 | 17 | 9 | 0 | 0 | 200.0 | 0 | 0 | 49 | 159 | 1.17 |
| 1997 | 현대 | 3.33 | 31 | 13 | 13 | 0 | 0 | 219.0 | 0 | 0 | 51 | 159 | 1.10 |
| 1996 | 현대 | 2.44 | 30 | 15 | 9 | 0 | 0 | 210.0 | 0 | 0 | 45 | 127 | 1.07 |
| 1995 | 태평양 | 3.69 | 28 | 8 | 14 | 0 | 0 | 188.0 | 0 | 0 | 58 | 115 | 1.30 |
| 1994 | 태평양 | 3.72 | 25 | 8 | 9 | 0 | 0 | 145.0 | 0 | 0 | 38 | 91 | 1.36 |
| 1993 | 태평양 | 6.75 | 5 | 0 | 0 | 0 | 0 | 9.0 | 0 | 0 | 4 | 7 | 1.67 |
| 1992 | 태평양 | 3.81 | 7 | 1 | 3 | 0 | 0 | 26.0 | 0 | 0 | 13 | 21 | 1.31 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 290 | - | - |
| ERA | 3.48 | - | - |
| IP | 1831.0 | - | - |
| W | 124 | - | - |
| L | 96 | - | - |
| SV | 3 | - | - |
| HLD | 0 | - | - |
| SO | 1,278 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 491 | - | - |
| R | 813 | - | - |
| ER | 707 | - | - |
| HBP | 39 | - | - |
| WHIP | 1.24 | - | - |