| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 12 Seasons | 2.57 | 395 | 75 | 54 | 142 | 1093.0 | 330 | 634 | 1.16 | |||
| 2000 | 현대 | 3.98 | 16 | 5 | 2 | 0 | 0 | 61.0 | 0 | 0 | 21 | 34 | 1.57 |
| 1999 | 현대 | 4.06 | 30 | 5 | 4 | 7 | 0 | 84.0 | 0 | 0 | 34 | 52 | 1.50 |
| 1998 | 현대 | 1.86 | 28 | 14 | 8 | 0 | 0 | 184.0 | 0 | 0 | 60 | 123 | 1.09 |
| 1997 | 현대 | 3.50 | 55 | 2 | 10 | 28 | 0 | 115.0 | 0 | 0 | 20 | 71 | 1.05 |
| 1996 | 현대 | 1.58 | 53 | 8 | 5 | 26 | 0 | 97.0 | 0 | 0 | 40 | 59 | 1.07 |
| 1995 | 태평양 | 1.75 | 52 | 9 | 7 | 19 | 0 | 103.0 | 0 | 0 | 23 | 59 | 0.88 |
| 1994 | 태평양 | 1.36 | 50 | 4 | 2 | 40 | 0 | 105.0 | 0 | 0 | 22 | 74 | 0.94 |
| 1993 | 태평양 | 1.50 | 2 | 0 | 1 | 0 | 0 | 6.0 | 0 | 0 | 1 | 3 | 0.83 |
| 1992 | 태평양 | 3.52 | 7 | 3 | 1 | 0 | 0 | 38.0 | 0 | 0 | 14 | 20 | 1.37 |
| 1991 | 태평양 | 2.32 | 49 | 12 | 6 | 14 | 0 | 132.0 | 0 | 0 | 36 | 60 | 1.05 |
| 1990 | 태평양 | 7.57 | 15 | 2 | 4 | 2 | 0 | 27.0 | 0 | 0 | 13 | 11 | 2.11 |
| 1989 | 태평양 | 2.45 | 38 | 11 | 4 | 6 | 0 | 139.0 | 0 | 0 | 46 | 68 | 1.24 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 395 | - | - |
| ERA | 2.57 | - | - |
| IP | 1093.0 | - | - |
| W | 75 | - | - |
| L | 54 | - | - |
| SV | 142 | - | - |
| HLD | 0 | - | - |
| SO | 634 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 330 | - | - |
| R | 390 | - | - |
| ER | 312 | - | - |
| HBP | 35 | - | - |
| WHIP | 1.16 | - | - |
Yagoonara