| year | team | league | level | age | pos | g | gs | inn | po | a | e | dp | tc | tsc | sb | cs | sb% | fpct | rfg | rfi | rf9i | tm share | pl share | tm rank |
| 1981 | Spartanburg Phillies | SAL | A | 20 | P | 28 | 0 | 0.0 | 14 | 22 | 3 | 0 | 39 | 36 | 0 | 0 | .923 | 1.3 | 0.00 | 0.00 | 19.9 | 100.0 | 4 | |
| 1982 | Reading Phillies | East | AA | 21 | P | 26 | 0 | 0.0 | 7 | 20 | 1 | 3 | 28 | 27 | 0 | 0 | .964 | 1.0 | 0.00 | 0.00 | 18.8 | 100.0 | 4 | |
| 1983 | Philadelphia Phillies | NL | MLB | 22 | P | 17 | 17 | 96.0 | 11 | 13 | 0 | 0 | 24 | 24 | 16 | 6 | 0.7273 | 1.000 | 1.4 | 0.25 | 2.25 | 10.5 | 100.0 | 10 |
| 1983 | Portland Beavers | PCL | AAA | 22 | P | 15 | 0 | 0.0 | 8 | 14 | 0 | 1 | 22 | 22 | 0 | 0 | 1.000 | 1.5 | 0.00 | 0.00 | 10.6 | 100.0 | 8 | |
| 1984 | Philadelphia Phillies | NL | MLB | 23 | P | 44 | 14 | 129.0 | 9 | 22 | 2 | 3 | 33 | 31 | 15 | 4 | 0.7895 | .939 | 0.7 | 0.24 | 2.16 | 27.2 | 100.0 | 4 |
| 1985 | Philadelphia Phillies | NL | MLB | 24 | P | 38 | 31 | 205.2 | 18 | 34 | 3 | 0 | 55 | 52 | 27 | 11 | 0.7105 | .945 | 1.4 | 0.25 | 2.25 | 23.5 | 97.4 | 5 |
| 1986 | Philadelphia Phillies | NL | MLB | 25 | P | 37 | 36 | 241.2 | 25 | 28 | 2 | 2 | 55 | 53 | 30 | 13 | 0.6977 | .964 | 1.4 | 0.22 | 1.98 | 23.0 | 100.0 | 5 |
| 1987 | Philadelphia Phillies | NL | MLB | 26 | P | 34 | 33 | 200.2 | 13 | 23 | 3 | 1 | 39 | 36 | 36 | 12 | 0.75 | .923 | 1.1 | 0.18 | 1.62 | 21.0 | 100.0 | 10 |
| 1988 | Philadelphia Phillies | NL | MLB | 27 | P | 33 | 33 | 231.2 | 13 | 34 | 2 | 2 | 49 | 47 | 39 | 14 | 0.7358 | .959 | 1.4 | 0.20 | 1.80 | 20.5 | 100.0 | 6 |
| 1989 | Montreal Expos | NL | MLB | 28 | P | 31 | 31 | 201.1 | 15 | 25 | 2 | 1 | 42 | 40 | 34 | 13 | 0.7234 | .952 | 1.3 | 0.20 | 1.80 | 19.1 | 100.0 | 7 |
| 1990 | Montreal Expos | NL | MLB | 29 | P | 31 | 26 | 163.1 | 6 | 13 | 1 | 0 | 20 | 19 | 31 | 5 | 0.8611 | .950 | 0.6 | 0.12 | 1.08 | 19.1 | 96.9 | 8 |
| 1991 | Los Angeles Dodgers | NL | MLB | 30 | P | 46 | 10 | 115.2 | 9 | 14 | 1 | 0 | 24 | 23 | 15 | 6 | 0.7143 | .958 | 0.5 | 0.20 | 1.80 | 28.4 | 95.8 | 4 |
| 1992 | Los Angeles Dodgers | NL | MLB | 31 | P | 34 | 30 | 204.2 | 11 | 25 | 1 | 2 | 37 | 36 | 18 | 9 | 0.6667 | .973 | 1.1 | 0.18 | 1.62 | 21.0 | 100.0 | 7 |
| 1993 | Los Angeles Dodgers | NL | MLB | 32 | P | 33 | 32 | 202.1 | 11 | 40 | 0 | 1 | 51 | 51 | 18 | 10 | 0.6429 | 1.000 | 1.5 | 0.25 | 2.25 | 20.4 | 100.0 | 7 |
| 1994 | Los Angeles Dodgers | NL | MLB | 33 | P | 25 | 23 | 157.1 | 14 | 29 | 1 | 1 | 44 | 43 | 27 | 5 | 0.8438 | .977 | 1.7 | 0.27 | 2.43 | 21.9 | 100.0 | 5 |
| 1995 | Texas Rangers | AL | MLB | 34 | P | 31 | 30 | 183.2 | 15 | 20 | 2 | 5 | 37 | 35 | 13 | 8 | 0.619 | .946 | 1.1 | 0.19 | 1.71 | 21.5 | 100.0 | 6 |
| 1996 | Texas Rangers | AL | MLB | 35 | P | 28 | 19 | 129.1 | 11 | 19 | 2 | 1 | 32 | 30 | 6 | 6 | 0.5 | .938 | 1.1 | 0.23 | 2.07 | 17.3 | 100.0 | 10 |
| 1997 | Anaheim Angels | AL | MLB | 36 | P | 12 | 3 | 25.1 | 0 | 4 | 0 | 0 | 4 | 4 | 1 | 2 | 0.3333 | 1.000 | 0.3 | 0.16 | 1.44 | 7.4 | 100.0 | 14 |
| 1997 | Oklahoma City 89ers | Amer | AAA | 36 | P | 6 | 0 | 0.0 | 2 | 1 | 0 | 0 | 3 | 3 | 0 | 0 | 1.000 | 0.5 | 0.00 | 0.00 | 4.2 | 100.0 | 18 | |
| 1997 | Vancouver Canadians | PCL | AAA | 36 | P | 2 | 0 | 0.0 | 2 | 2 | 0 | 0 | 4 | 4 | 0 | 0 | 1.000 | 2.0 | 0.00 | 0.00 | 1.4 | 100.0 | 18 | |
| Tot: | MLB (15 yrs) | MLB | P | 474 | 368 | 2,483.0 | 181 | 343 | 22 | 19 | 546 | 524 | 326 | 124 | 0.7244 | .960 | 1.1 | 0.21 | 1.90 | |||||
| Tot: | AAA (2 yrs) | AAA | P | 23 | 0 | 0.0 | 12 | 17 | 0 | 1 | 29 | 29 | 0 | 0 | 1.000 | 1.3 | ||||||||
| Tot: | AA (1 yrs) | AA | P | 26 | 0 | 0.0 | 7 | 20 | 1 | 3 | 28 | 27 | 0 | 0 | .964 | 1.0 | ||||||||
| Tot: | A (1 yrs) | A | P | 28 | 0 | 0.0 | 14 | 22 | 3 | 0 | 39 | 36 | 0 | 0 | .923 | 1.3 |
| year | category | pos P | pos C | pos 1B | pos 2B | pos 3B | pos SS | pos LF | pos CF | pos RF | pos OF | pos DH |
| 1981 | Minor | 28 | - | - | - | - | - | - | - | - | - | - |
| 1982 | Minor | 26 | - | - | - | - | - | - | - | - | - | - |
| 1983 | Minor | 15 | - | - | - | - | - | - | - | - | - | - |
| 1983 | MLB | 17 | - | - | - | - | - | - | - | - | - | - |
| 1984 | MLB | 44 | - | - | - | - | - | - | - | - | - | - |
| 1985 | MLB | 38 | - | - | - | - | - | - | - | - | - | - |
| 1986 | MLB | 37 | - | - | - | - | - | - | - | - | - | - |
| 1987 | MLB | 34 | - | - | - | - | - | - | - | - | - | - |
| 1988 | MLB | 33 | - | - | - | - | - | - | - | - | - | - |
| 1989 | MLB | 31 | - | - | - | - | - | - | - | - | - | - |
| 1990 | MLB | 31 | - | - | - | - | - | - | - | - | - | - |
| 1991 | MLB | 46 | - | - | - | - | - | - | - | - | - | - |
| 1992 | MLB | 34 | - | - | - | - | - | - | - | - | - | - |
| 1993 | MLB | 33 | - | - | - | - | - | - | - | - | - | - |
| 1994 | MLB | 25 | - | - | - | - | - | - | - | - | - | - |
| 1995 | MLB | 31 | - | - | - | - | - | - | - | - | - | - |
| 1996 | MLB | 28 | - | - | - | - | - | - | - | - | - | - |
| 1997 | Minor | 8 | - | - | - | - | - | - | - | - | - | - |
| 1997 | MLB | 12 | - | - | - | - | - | - | - | - | - | - |