| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1981 | Michigan | Big10 | NCAA-1 | Fr | 18 | 6 | 2 | 1.93 | 13 | 10 | 5 | 2 | 3 | 0 | 0 | 60.2 | 31 | 23 | 13 | 0 | 44 | 41 | 0 | 0 | 0 | 1.24 | 4.60 | 0.00 | 6.53 | 6.08 | 3.41 | 0.93 | |
| 1982 | Michigan | Big10 | NCAA-1 | So | 19 | 3 | 2 | 1.74 | 11 | 6 | 1 | 1 | 5 | 0 | 0 | 41.1 | 31 | 13 | 8 | 0 | 22 | 17 | 0 | 0 | 0 | 1.28 | 6.75 | 0.00 | 4.79 | 3.70 | 2.83 | 0.77 | |
| 1983 | Michigan | Big10 | NCAA-1 | 20 | 7 | 2 | 1.81 | 15 | 10 | 4 | 0 | 5 | 0 | 1 | 69.2 | 54 | 25 | 14 | 0 | 29 | 51 | 0 | 0 | 0 | 1.19 | 6.98 | 0.00 | 3.75 | 6.59 | 3.23 | 1.76 | ||
| 1984 | Michigan | Big10 | NCAA-1 | Sr | 21 | 8 | 3 | 3.73 | 17 | 12 | 5 | 0 | 5 | 0 | 2 | 89.1 | 73 | 53 | 37 | 0 | 60 | 77 | 0 | 0 | 0 | 1.49 | 7.35 | 0.00 | 6.04 | 7.76 | 5.34 | 1.28 | |
| 1984 | West Palm Beach Expos | FSL | A+ | MON | - | 21 | 3 | 5 | 3.87 | 13 | 12 | 2 | 0 | 1 | 0 | 0 | 74.1 | 70 | 38 | 32 | 1 | 49 | 46 | 9 | 0 | 3 | 1.60 | 8.48 | 0.12 | 5.93 | 5.57 | 4.60 | 0.94 |
| 1985 | West Palm Beach Expos | FSL | A+ | MON | - | 22 | 2 | 2 | 5.58 | 8 | 4 | 0 | 0 | 4 | 1 | 0 | 30.2 | 37 | 23 | 19 | 1 | 22 | 18 | 5 | 0 | 0 | 1.92 | 10.86 | 0.29 | 6.46 | 5.28 | 6.75 | 0.82 |
| 1985 | Jacksonville Expos | Sou | AA | MON | - | 22 | 3 | 12 | 5.29 | 21 | 20 | 2 | 0 | 1 | 0 | 0 | 102.0 | 108 | 67 | 60 | 3 | 70 | 62 | 11 | 0 | 0 | 1.75 | 9.53 | 0.26 | 6.18 | 5.47 | 5.91 | 0.89 |
| 1986 | West Palm Beach Expos | FSL | A+ | MON | - | 23 | 2 | 5 | 1.61 | 47 | 0 | 0 | 0 | 47 | 41 | 25 | 61.1 | 48 | 16 | 11 | 1 | 25 | 55 | 3 | 0 | 1 | 1.19 | 7.04 | 0.15 | 3.67 | 8.07 | 2.35 | 2.20 |
| 1987 | Jacksonville Expos | Sou | AA | MON | - | 24 | 5 | 1 | 2.35 | 56 | 0 | 0 | 0 | 56 | 28 | 10 | 80.1 | 56 | 23 | 21 | 4 | 35 | 78 | 2 | 0 | 0 | 1.13 | 6.27 | 0.45 | 3.92 | 8.74 | 2.58 | 2.23 |
| 1988 | Indianapolis Indians | Amer | AAA | MON | - | 25 | 0 | 0 | 6.14 | 8 | 0 | 0 | 0 | 8 | 2 | 1 | 7.1 | 9 | 5 | 5 | 0 | 3 | 6 | 3 | 0 | 0 | 1.64 | 11.05 | 0.00 | 3.68 | 7.36 | 6.14 | 2.00 |
| 1989 | Minnesota Twins | AL | MLB | MIN | 47 | 26 | 3 | 4 | 3.30 | 60 | 0 | 0 | 0 | 60 | 21 | 1 | 71.0 | 55 | 28 | 26 | 4 | 36 | 41 | 7 | 0 | 1 | 1.28 | 6.97 | 0.51 | 4.56 | 5.20 | 3.55 | 1.14 |
| 1990 | Portland Beavers | PCL | AAA | MIN | - | 27 | 2 | 4 | 3.41 | 22 | 0 | 0 | 0 | 22 | 13 | 5 | 31.2 | 29 | 14 | 12 | 1 | 13 | 30 | 3 | 0 | 0 | 1.33 | 8.24 | 0.28 | 3.69 | 8.53 | 3.98 | 2.31 |
| 1990 | Minnesota Twins | AL | MLB | MIN | 47 | 27 | 1 | 1 | 4.19 | 38 | 0 | 0 | 0 | 38 | 12 | 1 | 38.2 | 38 | 19 | 18 | 5 | 13 | 28 | 4 | 0 | 1 | 1.32 | 8.84 | 1.16 | 3.03 | 6.52 | 4.42 | 2.15 |
| 1991 | Portland Beavers | PCL | AAA | MIN | - | 28 | 4 | 5 | 2.79 | 51 | 0 | 0 | 0 | 51 | 32 | 8 | 67.2 | 63 | 27 | 21 | 4 | 31 | 66 | 4 | 0 | 1 | 1.39 | 8.38 | 0.53 | 4.12 | 8.78 | 3.59 | 2.13 |
| 1991 | Minnesota Twins | AL | MLB | MIN | 48 | 28 | 1 | 0 | 5.11 | 8 | 0 | 0 | 0 | 8 | 2 | 1 | 12.1 | 11 | 7 | 7 | 1 | 4 | 7 | 0 | 0 | 1 | 1.22 | 8.03 | 0.73 | 2.92 | 5.11 | 5.11 | 1.75 |
| 1992 | Portland Beavers | PCL | AAA | MIN | - | 29 | 0 | 1 | 2.35 | 14 | 0 | 0 | 0 | 14 | 7 | 5 | 23.0 | 23 | 11 | 6 | 1 | 1 | 20 | 1 | 0 | 0 | 1.04 | 9.00 | 0.39 | 0.39 | 7.83 | 4.30 | 20.00 |
| 1992 | Minnesota Twins | AL | MLB | MIN | 47 | 29 | 3 | 3 | 2.63 | 41 | 0 | 0 | 0 | 41 | 13 | 0 | 48.0 | 46 | 18 | 14 | 2 | 19 | 29 | 1 | 1 | 3 | 1.35 | 8.63 | 0.38 | 3.56 | 5.44 | 3.38 | 1.53 |
| 1993 | Colorado Rockies | NL | MLB | COL | 53 | 30 | 5 | 3 | 5.05 | 65 | 0 | 0 | 0 | 65 | 21 | 1 | 62.1 | 68 | 40 | 35 | 8 | 26 | 49 | 9 | 1 | 1 | 1.51 | 9.82 | 1.16 | 3.75 | 7.07 | 5.78 | 1.88 |
| 1994 | Albuquerque Dukes | PCL | AAA | LAN | - | 31 | 5 | 5 | 4.93 | 22 | 5 | 0 | 0 | 17 | 4 | 0 | 49.1 | 74 | 45 | 27 | 6 | 16 | 38 | 3 | 0 | 1 | 1.82 | 13.50 | 1.09 | 2.92 | 6.93 | 8.21 | 2.38 |
| 1994 | Los Angeles Dodgers | NL | MLB | LAN | 47 | 31 | 1 | 3 | 4.67 | 19 | 0 | 0 | 0 | 19 | 4 | 0 | 17.1 | 19 | 13 | 9 | 2 | 6 | 10 | 1 | 0 | 3 | 1.44 | 9.87 | 1.04 | 3.12 | 5.19 | 6.75 | 1.67 |
| Tot: | MLB (6 yrs) | MLB | 14 | 14 | 3.93 | 231 | 0 | 0 | 0 | 73 | 231 | 4 | 249.2 | 237 | 125 | 109 | 22 | 104 | 164 | 22 | 2 | 10 | 1.37 | 8.54 | 0.79 | 3.75 | 5.91 | 4.51 | 1.58 | ||||
| Tot: | AL (4 yrs) | AL | 8 | 8 | 3.44 | 147 | 0 | 0 | 0 | 48 | 147 | 3 | 170.0 | 150 | 72 | 65 | 12 | 72 | 105 | 12 | 1 | 6 | 1.31 | 7.94 | 0.64 | 3.81 | 5.56 | 3.81 | 1.46 | ||||
| Tot: | NL (2 yrs) | NL | 6 | 6 | 4.97 | 84 | 0 | 0 | 0 | 25 | 84 | 1 | 79.2 | 87 | 53 | 44 | 10 | 32 | 59 | 10 | 1 | 4 | 1.49 | 9.83 | 1.13 | 3.62 | 6.67 | 5.99 | 1.84 | ||||
| Tot: | Minors (9 yrs) | Minors | 26 | 40 | 3.65 | 262 | 41 | 4 | 0 | 128 | 221 | 54 | 527.2 | 517 | 269 | 214 | 22 | 265 | 419 | 44 | 0 | 6 | 1.48 | 8.82 | 0.38 | 4.52 | 7.15 | 4.59 | 1.58 | ||||
| Tot: | A+ (3 yrs) | A+ | 7 | 12 | 3.35 | 68 | 16 | 2 | 0 | 42 | 52 | 25 | 166.1 | 155 | 77 | 62 | 3 | 96 | 119 | 17 | 0 | 4 | 1.51 | 8.39 | 0.16 | 5.19 | 6.44 | 4.17 | 1.24 | ||||
| Tot: | AA (2 yrs) | AA | 8 | 13 | 4.00 | 77 | 20 | 2 | 0 | 28 | 57 | 10 | 182.1 | 164 | 90 | 81 | 7 | 105 | 140 | 13 | 0 | 0 | 1.48 | 8.10 | 0.35 | 5.18 | 6.91 | 4.44 | 1.33 | ||||
| Tot: | AAA (5 yrs) | AAA | 11 | 15 | 3.57 | 117 | 5 | 0 | 0 | 58 | 112 | 19 | 179.0 | 198 | 102 | 71 | 12 | 64 | 160 | 14 | 0 | 2 | 1.46 | 9.96 | 0.60 | 3.22 | 8.04 | 5.13 | 2.50 | ||||
| Tot: | College (4 yrs) | College | 24 | 9 | 2.48 | 56 | 38 | 15 | 3 | 0 | 18 | 3 | 261.0 | 189 | 114 | 72 | 0 | 155 | 186 | 0 | 0 | 0 | 1.32 | 6.52 | 0.00 | 5.34 | 6.41 | 3.93 | 1.20 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1980 | Gulf Coast Cubs | GCL | Rk | CHN | - | 17 | C | 51* | 23 | 41 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 13 | 0 | 0 | 0 | 0 | 0 | 4 | 46 | 0 | 4 | .098 | .196 | .098 | .294 | .122 | .000 | .143 | 10.87 | 28.26 | 2.60 | 0.00 |
| 1981 | Gulf Coast Cubs | GCL | Rk | CHN | - | 18 | 3B-1B | 89 | 31 | 85 | 4 | 17 | 2 | 1 | 0 | 9 | 3 | 0 | 12 | 16 | 0 | 0 | 1 | 0 | 0 | 21 | 98 | 3 | 14 | .200 | .296 | .247 | .543 | .224 | .047 | .243 | 12.24 | 16.33 | 1.33 | 0.00 |
| 1984 | West Palm Beach Expos | FSL | A+ | MON | - | 21 | P | 13 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | .000 | .200 | .000 | .200 | .250 | .000 | .000 | 18.18 | 27.27 | 1.50 | 0.00 | |
| 1985 | West Palm Beach Expos | FSL | A+ | MON | - | 22 | P | 8 | 5 | 2 | 3 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 1 | 2 | .600 | .667 | .800 | 1.467 | .400 | .200 | 1.000 | 16.67 | 33.33 | 2.00 | 0.00 | |
| 1985 | Jacksonville Expos | Sou | AA | MON | - | 22 | P | 21 | 6 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 0 | 3 | .500 | .625 | .500 | 1.125 | .333 | .000 | .600 | 25.00 | 12.50 | 0.50 | 0.00 | |
| 1986 | West Palm Beach Expos | FSL | A+ | MON | - | 23 | P | 47 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .250 | .000 | .250 | .333 | .000 | .000 | 25.00 | 25.00 | 1.00 | 0.00 | |
| 1987 | Jacksonville Expos | Sou | AA | MON | - | 24 | P | 56 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 2 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 33.33 | 0.00 | 0.00 | 0.00 | |
| 1988 | Indianapolis Indians | Amer | AAA | MON | - | 25 | P | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1993 | Colorado Rockies | NL | MLB | COL | 53 | 30 | P | 65 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1994 | Albuquerque Dukes | PCL | AAA | LAN | - | 31 | P | 22 | 9 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 0 | 2 | .222 | .222 | .222 | .444 | .000 | .000 | .286 | 0.00 | 22.22 | 0.00 | 0.00 | |
| 1994 | Los Angeles Dodgers | NL | MLB | LAN | 47 | 31 | P | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (2 yrs) | MLB | 84 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | .500 | 0.00 | 0.00 | ||||||||
| Tot: | NL (2 yrs) | NL | 84 | 2 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | .500 | 0.00 | 0.00 | ||||||||
| Tot: | Minors (8 yrs) | Minors | 229 | 160 | 15 | 31 | 3 | 1 | 0 | 14 | 3 | 1 | 24 | 39 | 0 | 1 | 1 | 0 | 0 | 36 | 186 | 4 | 27 | .194 | .297 | .225 | .522 | .194 | .031 | .254 | 12.90 | 20.97 | 1.63 | |||||||
| Tot: | Rk (2 yrs) | Rk | 54 | 126 | 7 | 21 | 2 | 1 | 0 | 9 | 3 | 0 | 17 | 29 | 0 | 0 | 1 | 0 | 0 | 25 | 144 | 3 | 18 | .167 | .264 | .198 | .462 | .190 | .032 | .214 | 11.81 | 20.14 | 1.71 | |||||||
| Tot: | A+ (3 yrs) | A+ | 68 | 16 | 4 | 3 | 1 | 0 | 0 | 3 | 0 | 0 | 4 | 6 | 0 | 1 | 0 | 0 | 0 | 4 | 21 | 1 | 2 | .188 | .350 | .250 | .600 | .313 | .063 | .300 | 19.05 | 28.57 | 1.50 | |||||||
| Tot: | AA (2 yrs) | AA | 77 | 8 | 2 | 5 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 11 | 0 | 5 | .625 | .727 | .625 | 1.352 | .250 | .000 | .714 | 27.27 | 9.09 | 0.33 | |||||||
| Tot: | AAA (2 yrs) | AAA | 30 | 10 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 0 | 2 | .200 | .200 | .200 | .400 | .000 | .000 | .286 | 0.00 | 30.00 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 51 | 40 | 53 | 46 | 53 | 65 | .539 |