
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 12 Seasons | 3.27 | 350 | 68 | 64 | 71 | 15 | 1122.0 | 435 | 856 | 1.31 | ||
| 2006 | SK | 4.91 | 29 | 3 | 5 | 0 | 3 | 36.0 | 0 | 0 | 15 | 25 | 1.50 |
| 2005 | SK | 1.89 | 57 | 3 | 2 | 6 | 12 | 95.0 | 0 | 0 | 41 | 80 | 1.16 |
| 2004 | 현대 | 4.71 | 10 | 1 | 1 | 0 | 0 | 28.0 | 0 | 0 | 15 | 14 | 1.54 |
| 2003 | 현대 | 6.23 | 4 | 0 | 1 | 0 | 0 | 4.0 | 0 | 0 | 5 | 1 | 3.50 |
| 2002 | 현대 | 4.59 | 27 | 5 | 10 | 0 | 0 | 104.0 | 0 | 0 | 46 | 74 | 1.58 |
| 2001 | 현대 | 1.82 | 37 | 4 | 2 | 22 | 0 | 49.0 | 0 | 0 | 18 | 44 | 1.08 |
| 2000 | 현대 | 2.09 | 54 | 3 | 2 | 39 | 0 | 73.0 | 0 | 0 | 24 | 71 | 1.18 |
| 1999 | 현대 | 4.10 | 20 | 6 | 8 | 0 | 0 | 116.0 | 0 | 0 | 62 | 100 | 1.62 |
| 1998 | 현대 | 3.23 | 26 | 13 | 8 | 0 | 0 | 164.0 | 0 | 0 | 68 | 122 | 1.29 |
| 1997 | 현대 | 3.24 | 20 | 5 | 8 | 0 | 0 | 111.0 | 0 | 0 | 42 | 74 | 1.32 |
| 1996 | 현대 | 2.72 | 30 | 12 | 7 | 0 | 0 | 181.0 | 0 | 0 | 51 | 138 | 1.16 |
| 1995 | 태평양 | 3.60 | 36 | 13 | 10 | 4 | 0 | 157.0 | 0 | 0 | 48 | 113 | 1.21 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 350 | - | - |
| ERA | 3.27 | - | - |
| IP | 1122.0 | - | - |
| W | 68 | - | - |
| L | 64 | - | - |
| SV | 71 | - | - |
| HLD | 15 | - | - |
| SO | 856 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 435 | - | - |
| R | 464 | - | - |
| ER | 408 | - | - |
| HBP | 27 | - | - |
| WHIP | 1.31 | - | - |