
| Season | Team | ERA | G | W | L | SV | HLD | IP | H | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | 13 Seasons | 3.26 | 346 | 109 | 110 | 17 | 1805.0 | 627 | 625 | 1.28 | |||
| 1995 | OB | 5.33 | 15 | 7 | 6 | 0 | 0 | 79.0 | 0 | 0 | 27 | 28 | 1.47 |
| 1994 | OB | 4.52 | 15 | 2 | 6 | 0 | 0 | 71.0 | 0 | 0 | 29 | 26 | 1.46 |
| 1993 | OB | 2.56 | 27 | 10 | 9 | 0 | 0 | 161.0 | 0 | 0 | 41 | 51 | 1.09 |
| 1992 | OB | 3.12 | 35 | 16 | 12 | 2 | 0 | 225.0 | 0 | 0 | 59 | 90 | 1.26 |
| 1991 | OB | 2.27 | 12 | 6 | 4 | 1 | 0 | 99.0 | 0 | 0 | 20 | 37 | 1.06 |
| 1990 | OB | 4.55 | 19 | 5 | 8 | 0 | 0 | 110.0 | 0 | 0 | 46 | 34 | 1.40 |
| 1989 | OB | 3.47 | 30 | 9 | 12 | 0 | 0 | 171.0 | 0 | 0 | 77 | 72 | 1.29 |
| 1988 | OB | 3.95 | 36 | 8 | 12 | 1 | 0 | 146.0 | 0 | 0 | 44 | 46 | 1.42 |
| 1987 | OB | 2.82 | 32 | 15 | 8 | 6 | 0 | 188.0 | 0 | 0 | 74 | 73 | 1.30 |
| 1986 | OB | 1.90 | 31 | 13 | 9 | 3 | 0 | 165.0 | 0 | 0 | 45 | 44 | 1.10 |
| 1985 | OB | 3.50 | 29 | 7 | 4 | 1 | 0 | 128.0 | 0 | 0 | 63 | 46 | 1.35 |
| 1984 | OB | 1.58 | 31 | 5 | 3 | 1 | 0 | 102.0 | 0 | 0 | 35 | 47 | 1.10 |
| 1983 | OB | 4.23 | 34 | 6 | 17 | 2 | 0 | 155.0 | 0 | 0 | 67 | 31 | 1.50 |
| Category | Stats | KBO Rank | Team Rank |
|---|---|---|---|
| G | 346 | - | - |
| ERA | 3.26 | - | - |
| IP | 1805.0 | - | - |
| W | 109 | - | - |
| L | 110 | - | - |
| SV | 17 | - | - |
| HLD | 0 | - | - |
| SO | 625 | - | - |
| H | 0 | - | - |
| HR | 0 | - | - |
| BB | 627 | - | - |
| R | 788 | - | - |
| ER | 653 | - | - |
| HBP | 86 | - | - |
| WHIP | 1.28 | - | - |