| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 | FIP | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1994 | ||||||||||||||||||||||||||
| Season Total 2-3, 2 SV | 0 | 36.0 | 29 | 10 | 8 | 0 | 13 | 50 | 2.00 | 1.17 | 12.50 | 3.25 | — | 168 | ||||||||||||
| 1996 | ||||||||||||||||||||||||||
| Season Total 1-2 | 0 | 16.0 | 14 | 11 | 10 | 0 | 14 | 18 | 5.62 | 1.75 | 10.12 | 7.88 | — | 52 |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | AA | Birmingham | Chicago White Sox | 29 | 28 | 172.2 | 187 | 103 | 78 | 91 | 133 | 8 | 10 | 12 | 0 | 4.07 | 1.61 | 6.93 |
| 1999 | AA | Birmingham | Chicago White Sox | 3 | 3 | 11.2 | 20 | 16 | 12 | 9 | 8 | 1 | 0 | 2 | 0 | 9.26 | 2.49 | 6.17 |
| 2000 | AA | Birmingham | Chicago White Sox | 43 | 0 | 46.1 | 36 | 26 | 21 | 18 | 41 | 2 | 1 | 5 | 1 | 4.08 | 1.17 | 7.96 |
| 2001 | MLB | Chicago White Sox | Chicago White Sox | 8 | 0 | 6.2 | 15 | 14 | 13 | 7 | 3 | 3 | 0 | 0 | 0 | 17.55 | 3.30 | 4.05 |
| 2001 | MLB | Career (1 yr) | 8 | 0 | 6.2 | 15 | 14 | 13 | 7 | 3 | 3 | 0 | 0 | 0 | 17.55 | 3.30 | 4.05 | |
| 1998–2000 | AA | Career (3 yrs) | 75 | 31 | 230.2 | 243 | 145 | 111 | 118 | 182 | 11 | 11 | 19 | 1 | 4.33 | 1.57 | 7.10 |