| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 15 Seasons | 3.84 | 467 | 62 | 50 | 36 | 2 | 1159.0 | 461 | 577 | 1.41 | ||
| 2001 | 한화 | 12.00 | 4 | 0 | 0 | 0 | 0 | 3.0 | 0 | 0 | 3 | 1 | 2.33 |
| 2000 | 한화 | 5.34 | 38 | 1 | 4 | 2 | 2 | 64.0 | 0 | 0 | 42 | 21 | 1.75 |
| 1999 | LG | 4.72 | 52 | 5 | 3 | 5 | 0 | 82.0 | 0 | 0 | 27 | 51 | 1.39 |
| 1998 | LG | 2.97 | 55 | 3 | 3 | 3 | 0 | 91.0 | 0 | 0 | 20 | 44 | 1.23 |
| 1997 | LG | 4.37 | 47 | 2 | 7 | 1 | 0 | 78.0 | 0 | 0 | 34 | 41 | 1.54 |
| 1996 | 해태 | 4.29 | 31 | 2 | 1 | 3 | 0 | 71.0 | 0 | 0 | 27 | 32 | 1.42 |
| 1995 | 해태 | 2.98 | 42 | 10 | 3 | 3 | 0 | 120.0 | 0 | 0 | 41 | 51 | 1.23 |
| 1994 | 해태 | 3.40 | 41 | 10 | 8 | 7 | 0 | 116.0 | 0 | 0 | 44 | 57 | 1.42 |
| 1993 | 해태 | 2.90 | 39 | 11 | 6 | 1 | 0 | 124.0 | 0 | 0 | 46 | 67 | 1.25 |
| 1992 | 해태 | 5.60 | 37 | 4 | 10 | 4 | 0 | 117.0 | 0 | 0 | 52 | 59 | 1.69 |
| 1991 | 해태 | 2.97 | 37 | 11 | 4 | 5 | 0 | 145.0 | 0 | 0 | 62 | 74 | 1.30 |
| 1990 | 해태 | 3.77 | 34 | 2 | 1 | 2 | 0 | 98.0 | 0 | 0 | 45 | 62 | 1.38 |
| 1989 | 해태 | 5.94 | 3 | 0 | 0 | 0 | 0 | 16.0 | 0 | 0 | 3 | 8 | 1.69 |
| 1988 | 해태 | 3.52 | 3 | 1 | 0 | 0 | 0 | 15.0 | 0 | 0 | 6 | 5 | 1.47 |
| 1987 | 해태 | 2.87 | 4 | 0 | 0 | 0 | 0 | 15.0 | 0 | 0 | 9 | 4 | 1.80 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 467 | - | - |
| ERA | 3.84 | - | - |
| IP | 1159.0 | - | - |
| W | 62 | - | - |
| L | 50 | - | - |
| SV | 36 | - | - |
| HLD | 2 | - | - |
| SO | 577 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 461 | - | - |
| R | 563 | - | - |
| ER | 495 | - | - |
| HBP | 104 | - | - |
| WHIP | 1.41 | - | - |
Yagoonara