| 1979 | Oneonta | NYPL | A- | 18 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | .905 | 29 | 2 | 2 |
| 1980 | Greensboro | SAL | A | 19 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .992 | -- | -- | -- | -- | -- | -- | -- | 111 | 6 | 1 |
| 1981 | Nashville | Sou | AA | 20 | 0 | 0 | 90 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 0 | -- | -- | .990 | -- | -- | -- | -- | -- | -- | .959 | 846 | 69 | 12 |
| 1982 | Columbus | IL | AAA | 21 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 120 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | .977 | 271 | 17 | 5 |
| | NY Yankees | AL | MLB | 21 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | 1.000 | 15 | 1 | 0 |
| 1983 | Columbus | IL | AAA | 22 | 0 | 0 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | -- | -- | .997 | -- | -- | -- | -- | -- | -- | 1.000 | 325 | 29 | 1 |
| | NY Yankees | AL | MLB | 22 | 0 | 0 | 42 | 1 | 0 | 0 | 0 | 0 | 0 | 48 | 0 | -- | -- | .997 | -- | -- | -- | -- | -- | -- | .974 | 350 | 15 | 3 |
| 1984 | NY Yankees | AL | MLB | 23 | 0 | 0 | 133 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | -- | -- | .996 | -- | -- | -- | -- | -- | -- | .974 | 1143 | 126 | 6 |
| 1985 | NY Yankees | AL | MLB | 24 | 0 | 0 | 159 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .995 | -- | -- | -- | -- | -- | -- | -- | 1318 | 87 | 7 |
| 1986 | NY Yankees | AL | MLB | 25 | 0 | 0 | 160 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | -- | -- | .996 | -- | .923 | -- | -- | -- | -- | -- | 1378 | 111 | 7 |
| 1987 | NY Yankees | AL | MLB | 26 | 0 | 0 | 140 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | -- | -- | .996 | -- | -- | -- | -- | -- | -- | -- | 1239 | 91 | 5 |
| 1988 | NY Yankees | AL | MLB | 27 | 0 | 0 | 143 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | -- | -- | .993 | -- | -- | -- | -- | -- | -- | -- | 1250 | 99 | 9 |
| 1989 | NY Yankees | AL | MLB | 28 | 0 | 0 | 145 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 17 | -- | -- | .995 | -- | -- | -- | -- | -- | -- | 1.000 | 1276 | 87 | 7 |
| 1990 | NY Yankees | AL | MLB | 29 | 0 | 0 | 89 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | -- | -- | .997 | -- | -- | -- | -- | -- | -- | -- | 800 | 78 | 3 |
| 1991 | NY Yankees | AL | MLB | 30 | 0 | 0 | 127 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | -- | -- | .996 | -- | -- | -- | -- | -- | -- | -- | 1119 | 77 | 5 |
| 1992 | NY Yankees | AL | MLB | 31 | 0 | 0 | 143 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | -- | -- | .997 | -- | -- | -- | -- | -- | -- | -- | 1209 | 116 | 4 |
| 1993 | NY Yankees | AL | MLB | 32 | 0 | 0 | 130 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | -- | -- | .998 | -- | -- | -- | -- | -- | -- | -- | 1258 | 84 | 3 |
| 1994 | NY Yankees | AL | MLB | 33 | 0 | 0 | 97 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .998 | -- | -- | -- | -- | -- | -- | -- | 919 | 68 | 2 |
| 1995 | NY Yankees | AL | MLB | 34 | 0 | 0 | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | -- | -- | .994 | -- | -- | -- | -- | -- | -- | -- | 996 | 81 | 7 |
Minor League Totals | 0 | 0 | 152 | 0 | 0 | 0 | 0 | 0 | 0 | 199 | 0 | -- | -- | .993 | -- | -- | -- | -- | -- | -- | .968 | 1582 | 123 | 21 |