| General Info | Pitching Breakdown | ||||||||||
| Year | Proteam | Points | Games | PPG | W | S | CG | W/S+ | Non W/S+ ` | No Hitter | Perfect Game |
| 1998 | ChN | 251 | 18 | 13.94 | 9 | 0 | 2 | 82 | 69 | 0 | 0 |
| 1999 | ChN | 201 | 16 | 12.56 | 6 | 0 | 1 | 58 | 78 | 0 | 0 |
| 2000 | ChN | 235 | 19 | 12.37 | 5 | 0 | 1 | 48 | 132 | 0 | 0 |
| 2001 | ChN | 209 | 16 | 13.06 | 8 | 0 | 0 | 84 | 45 | 0 | 0 |