| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 17 Seasons | 3.54 | 482 | 120 | 118 | 24 | 11 | 2079.0 | 506 | 1344 | 1.17 | ||
| 2004 | 한화 | 9.00 | 10 | 0 | 0 | 0 | 1 | 10.0 | 0 | 0 | 2 | 8 | 1.90 |
| 2003 | 한화 | 4.91 | 32 | 2 | 1 | 1 | 3 | 55.0 | 0 | 0 | 9 | 42 | 1.24 |
| 2002 | 한화 | 4.94 | 33 | 8 | 7 | 2 | 1 | 116.0 | 0 | 0 | 21 | 86 | 1.18 |
| 2001 | 한화 | 3.56 | 31 | 8 | 10 | 0 | 2 | 144.0 | 0 | 0 | 33 | 112 | 1.27 |
| 2000 | 한화 | 4.68 | 38 | 7 | 13 | 0 | 4 | 130.0 | 0 | 0 | 39 | 85 | 1.32 |
| 1999 | 한화 | 7.47 | 23 | 2 | 7 | 1 | 0 | 90.0 | 0 | 0 | 31 | 51 | 1.71 |
| 1998 | 한화 | 2.26 | 56 | 7 | 3 | 4 | 0 | 131.0 | 0 | 0 | 29 | 96 | 1.02 |
| 1997 | 한화 | 4.16 | 25 | 1 | 8 | 1 | 0 | 93.0 | 0 | 0 | 21 | 61 | 1.18 |
| 1996 | 한화 | 4.37 | 21 | 8 | 8 | 1 | 0 | 111.0 | 0 | 0 | 22 | 57 | 1.20 |
| 1995 | 한화 | 3.29 | 26 | 8 | 13 | 0 | 0 | 180.0 | 0 | 0 | 41 | 121 | 1.13 |
| 1994 | 한화 | 3.25 | 27 | 16 | 8 | 0 | 0 | 177.0 | 0 | 0 | 29 | 105 | 1.11 |
| 1993 | 빙그레 | 2.98 | 27 | 10 | 11 | 5 | 0 | 172.0 | 0 | 0 | 26 | 112 | 0.98 |
| 1992 | 빙그레 | 2.99 | 29 | 9 | 11 | 3 | 0 | 186.0 | 0 | 0 | 52 | 122 | 1.05 |
| 1991 | 빙그레 | 2.23 | 31 | 17 | 6 | 2 | 0 | 201.0 | 0 | 0 | 47 | 123 | 1.05 |
| 1990 | 빙그레 | 2.53 | 38 | 13 | 9 | 3 | 0 | 171.0 | 0 | 0 | 58 | 100 | 1.20 |
| 1989 | 빙그레 | 3.22 | 23 | 2 | 2 | 1 | 0 | 67.0 | 0 | 0 | 25 | 47 | 1.33 |
| 1988 | 빙그레 | 3.10 | 12 | 2 | 1 | 0 | 0 | 40.0 | 0 | 0 | 21 | 16 | 1.50 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 482 | - | - |
| ERA | 3.54 | - | - |
| IP | 2079.0 | - | - |
| W | 120 | - | - |
| L | 118 | - | - |
| SV | 24 | - | - |
| HLD | 11 | - | - |
| SO | 1,344 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 506 | - | - |
| R | 914 | - | - |
| ER | 819 | - | - |
| HBP | 119 | - | - |
| WHIP | 1.17 | - | - |
Yagoonara