| 1978 | Oneonta | NYPL | A- | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .955 | 79 | 6 | 4 |
| 1979 | Oneonta | NYPL | A- | 19 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | .938 | 79 | 2 | 4 |
| | Fort Lauderdale | FSL | A+ | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .935 | 28 | 1 | 2 |
| 1980 | Greensboro | SAL | A | 20 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .983 | -- | -- | -- | -- | -- | -- | -- | 109 | 7 | 2 |
| 1981 | Greensboro | SAL | A | 21 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | .957 | 109 | 10 | 5 |
| 1982 | Greensboro | SAL | A | 22 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 98 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | .982 | 163 | 3 | 3 |
| | Nashville | Sou | AA | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 40 | 3 | 0 |
| 1983 | Columbus | IL | AAA | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .997 | 750 | 2 | 2 |
| 1984 | Columbus | IL | AAA | 24 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 64 | 0 | -- | -- | .986 | -- | -- | -- | -- | -- | -- | .988 | 206 | 14 | 3 |
| 1985 | Albany/Colonie | East | AA | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 19 | 0 | 0 |
| | Columbus | IL | AAA | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .979 | 45 | 1 | 1 |
| 1986 | Albany/Colonie | East | AA | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .984 | 61 | 1 | 1 |
| | Buffalo | Amer | AAA | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 23 | 1 | 0 |
| | Columbus | IL | AAA | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 56 | 2 | 0 |
| 1987 | Memphis | Sou | AA | 27 | 0 | 0 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 67 | 0 | -- | -- | .977 | -- | -- | -- | -- | -- | -- | .992 | 438 | 28 | 9 |
| | Omaha | Amer | AAA | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .970 | 90 | 7 | 3 |
| 1988 | Memphis | Sou | AA | 28 | 0 | 0 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 93 | 0 | -- | -- | .991 | -- | -- | -- | -- | -- | -- | .971 | 444 | 17 | 7 |
| 1989 | Omaha | Amer | AAA | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .981 | 100 | 3 | 2 |
| | KC Royals | AL | MLB | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 3 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .939 | 45 | 1 | 3 |
Minor League Totals | 0 | 0 | 117 | 0 | 0 | 0 | 0 | 0 | 0 | 880 | 0 | -- | -- | .984 | -- | -- | -- | -- | -- | -- | .984 | 2839 | 108 | 48 |