| 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+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | ||||||||||||||||||||||||||
| Season Total 0-0 | 0 | 9.1 | 4 | 2 | 2 | 1 | 3 | 7 | 1.98 | 0.77 | 6.92 | 2.97 | — | 186 |
| Year | Level | Team | Org | G | PA | AB | R | H | TB | 2B | 3B | HR | RBI | BB | SO | SB | CS | HBP | SF | SAC | GIDP | AVG | OBP | SLG | OPS | BABIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | AA | Williamsport | Seattle Mariners | 28 | 15 | 13 | 1 | 5 | 6 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.385 | 0.385 | 0.462 | — | — |
| 1993 | MLB | New York | New York | 24 | 20 | 15 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.067 | 0.125 | 0.133 | 0.258 | 0.143 |
| 1995 | MLB | New York | New York | 7 | 7 | 6 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.333 | 0.333 | 0.333 | 0.666 | 0.667 |
| 1997 | MLB | Oakland Athletics | Oakland Athletics | 20 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 1993–1997 | MLB | Career (3 yrs) | 51 | 29 | 23 | 1 | 3 | 4 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.130 | 0.167 | 0.174 | 0.341 | — | |
| 1991 | AA | Career (1 yr) | 28 | 15 | 13 | 1 | 5 | 6 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.385 | 0.385 | 0.462 | 0.847 | — |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | AA | Williamsport | Seattle Mariners | 28 | 26 | 167.2 | 185 | 81 | 67 | 33 | 90 | 7 | 13 | 11 | 0 | 3.60 | 1.30 | 4.83 |
| 1993 | MLB | New York | New York | 24 | 7 | 75.2 | 82 | 40 | 40 | 21 | 35 | 10 | 6 | 2 | 0 | 4.76 | 1.36 | 4.16 |
| 1994 | MLB | New York | New York | 6 | 0 | 10.0 | 11 | 8 | 8 | 8 | 4 | 2 | 0 | 1 | 0 | 7.20 | 1.90 | 3.60 |
| 1995 | MLB | New York | New York | 7 | 4 | 25.2 | 34 | 18 | 16 | 7 | 16 | 4 | 1 | 2 | 0 | 5.61 | 1.60 | 5.61 |
| 1996 | MLB | Oakland Athletics | Oakland Athletics | 16 | 14 | 79.1 | 92 | 42 | 41 | 26 | 43 | 12 | 4 | 7 | 0 | 4.65 | 1.49 | 4.88 |
| 1997 | MLB | Oakland Athletics | Oakland Athletics | 20 | 19 | 101.0 | 134 | 71 | 68 | 35 | 55 | 15 | 4 | 6 | 0 | 6.06 | 1.67 | 4.90 |
| 1998 | MLB | Oakland Athletics | Oakland Athletics | 8 | 2 | 20.0 | 19 | 12 | 8 | 6 | 5 | 4 | 0 | 1 | 0 | 3.60 | 1.25 | 2.25 |
| 1993–1998 | MLB | Career (6 yrs) | 81 | 46 | 311.2 | 372 | 191 | 181 | 103 | 158 | 47 | 15 | 19 | 0 | 5.23 | 1.52 | 4.56 | |
| 1991 | AA | Career (1 yr) | 28 | 26 | 167.2 | 185 | 81 | 67 | 33 | 90 | 7 | 13 | 11 | 0 | 3.60 | 1.30 | 4.83 |