| General Info | Pitching Breakdown | ||||||||||
| Year | Proteam | Points | Games | PPG | W | S | CG | W/S+ | Non W/S+ ` | No Hitter | Perfect Game |
| 1998 | ChA | 90 | 36 | 2.50 | 1 | 1 | 0 | 4 | 66 | 0 | 0 |
| 1999 | ChA | 142 | 33 | 4.30 | 1 | 3 | 0 | 12 | 90 | 0 | 0 |
| 2000 | ChA | 273 | 40 | 6.82 | 1 | 16 | 0 | 34 | 69 | 0 | 0 |
| 2001 | ChA | 290 | 38 | 7.63 | 3 | 18 | 0 | 44 | 36 | 0 | 0 |
| 2002 | ChA | 175 | 36 | 4.86 | 1 | 9 | 0 | 24 | 51 | 0 | 0 |
| 2003 | Oak | 354 | 39 | 9.08 | 6 | 22 | 0 | 50 | 24 | 0 | 0 |
| 2004 | Bos | 245 | 39 | 6.28 | 2 | 13 | 0 | 32 | 63 | 0 | 0 |
| 2005 | Bos | 261 | 37 | 7.05 | 5 | 15 | 0 | 28 | 33 | 0 | 0 |
| 2006 | Bos | 70 | 29 | 2.41 | 2 | 0 | 0 | 2 | 48 | 0 | 0 |
| 2008 | Oak | 52 | 24 | 2.17 | 0 | 1 | 0 | 0 | 42 | 0 | 0 |