| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 11 Seasons | 1.20 | 367 | 146 | 40 | 132 | 1647.0 | 342 | 1698 | 0.80 | |||
| 1995 | 해태 | 0.49 | 48 | 5 | 3 | 33 | 0 | 109.0 | 0 | 0 | 14 | 140 | 0.58 |
| 1994 | 해태 | 2.73 | 27 | 6 | 4 | 12 | 0 | 102.0 | 0 | 0 | 21 | 94 | 1.00 |
| 1993 | 해태 | 0.78 | 49 | 10 | 3 | 31 | 0 | 126.0 | 0 | 0 | 20 | 164 | 0.54 |
| 1992 | 해태 | 0.28 | 11 | 2 | 0 | 8 | 0 | 32.0 | 0 | 0 | 10 | 42 | 0.94 |
| 1991 | 해태 | 1.55 | 35 | 19 | 4 | 6 | 0 | 203.0 | 0 | 0 | 25 | 210 | 0.79 |
| 1990 | 해태 | 1.13 | 35 | 22 | 6 | 4 | 0 | 190.0 | 0 | 0 | 50 | 189 | 0.90 |
| 1989 | 해태 | 1.17 | 36 | 21 | 3 | 8 | 0 | 169.0 | 0 | 0 | 48 | 198 | 0.77 |
| 1988 | 해태 | 1.21 | 31 | 16 | 5 | 10 | 0 | 178.0 | 0 | 0 | 35 | 200 | 0.85 |
| 1987 | 해태 | 0.89 | 31 | 14 | 2 | 6 | 0 | 162.0 | 0 | 0 | 47 | 144 | 0.84 |
| 1986 | 해태 | 0.99 | 39 | 24 | 6 | 6 | 0 | 262.0 | 0 | 0 | 52 | 214 | 0.78 |
| 1985 | 해태 | 1.70 | 25 | 7 | 4 | 8 | 0 | 111.0 | 0 | 0 | 20 | 103 | 0.85 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 367 | - | - |
| ERA | 1.20 | - | - |
| IP | 1647.0 | - | - |
| W | 146 | - | - |
| L | 40 | - | - |
| SV | 132 | - | - |
| HLD | 0 | - | - |
| SO | 1,698 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 342 | - | - |
| R | 274 | - | - |
| ER | 220 | - | - |
| HBP | 62 | - | - |
| WHIP | 0.80 | - | - |
Yagoonara