| 1985 | GCL White Sox | GCL | Rk | 21 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .947 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 14 | 1 |
| 1986 | Peninsula | Caro | A+ | 22 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .872 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 11 | 23 | 5 |
| 1987 | Daytona | FSL | A+ | 23 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .935 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 31 | 3 |
| 1988 | Birmingham | Sou | AA | 24 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .886 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 34 | 5 |
| 1989 | Birmingham | Sou | AA | 25 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .881 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 25 | 5 |
| | Chi White Sox | AL | MLB | 25 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| 1990 | Chi White Sox | AL | MLB | 26 | 42 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .952 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 14 | 1 |
| 1991 | Vancouver | PCL | AAA | 27 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 11 | 0 |
| | Chi White Sox | AL | MLB | 27 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 2 | 0 |
| 1992 | Syracuse | IL | AAA | 28 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .909 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 23 | 3 |
| 1994 | Toledo | IL | AAA | 30 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 1 | 0 |
| 1995 | Bakersfield | Calif | A+ | 31 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .882 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 13 | 2 |
| | Albuquerque | PCL | AAA | 31 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .909 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 5 | 1 |
| 1996 | Bakersfield | Calif | A+ | 32 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 3 | 0 |
Minor League Totals | 220 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .908 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 64 | 183 | 25 |