| 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 |
| 1986 | Oneonta Yankees | NYPL | A- | NYA | - | 19 | 9 | 0 | 3.13 | 15 | 12 | 1 | 0 | 3 | 3 | 1 | 83.1 | 64 | 32 | 29 | 5 | 24 | 80 | 4 | 0 | 8 | 1.06 | 6.91 | 0.54 | 2.59 | 8.64 | 3.46 | 3.33 |
| 1987 | Fort Lauderdale Yankees | FSL | A+ | NYA | - | 20 | 8 | 5 | 2.73 | 15 | 14 | 5 | 2 | 1 | 1 | 0 | 105.2 | 95 | 41 | 32 | 2 | 39 | 76 | 7 | 0 | 1 | 1.27 | 8.09 | 0.17 | 3.32 | 6.47 | 3.49 | 1.95 |
| 1987 | Winston-Salem Spirits | Caro | A+ | CHN | - | 20 | 4 | 4 | 4.11 | 13 | 6 | 3 | 0 | 7 | 1 | 1 | 50.1 | 49 | 31 | 23 | 3 | 24 | 29 | 1 | 0 | 1 | 1.45 | 8.76 | 0.54 | 4.29 | 5.19 | 5.54 | 1.21 |
| 1987 | Albany/Colonie Yankees | East | AA | NYA | - | 20 | 0 | 0 | 6.75 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 12.0 | 18 | 11 | 9 | 3 | 1 | 8 | 0 | 0 | 1 | 1.58 | 13.50 | 2.25 | 0.75 | 6.00 | 8.25 | 8.00 |
| 1988 | Pittsfield Cubs | East | AA | CHN | - | 21 | 5 | 7 | 1.63 | 59 | 0 | 0 | 0 | 59 | 49 | 26 | 71.2 | 53 | 25 | 13 | 0 | 30 | 59 | 9 | 0 | 2 | 1.16 | 6.66 | 0.00 | 3.77 | 7.41 | 3.14 | 1.97 |
| 1989 | Iowa Cubs | Amer | AAA | CHN | - | 22 | 8 | 11 | 4.24 | 38 | 16 | 0 | 0 | 22 | 17 | 3 | 138.0 | 149 | 74 | 65 | 5 | 58 | 82 | 15 | 0 | 4 | 1.50 | 9.72 | 0.33 | 3.78 | 5.35 | 4.83 | 1.41 |
| 1989 | Chicago Cubs | NL | MLB | CHN | 38 | 22 | 1 | 0 | 4.60 | 11 | 0 | 0 | 0 | 11 | 1 | 0 | 15.2 | 13 | 9 | 8 | 2 | 9 | 14 | 0 | 0 | 0 | 1.40 | 7.47 | 1.15 | 5.17 | 8.04 | 5.17 | 1.56 |
| 1990 | Iowa Cubs | Amer | AAA | CHN | - | 23 | 6 | 2 | 3.70 | 52 | 2 | 0 | 0 | 50 | 33 | 11 | 73.0 | 75 | 37 | 30 | 4 | 38 | 61 | 10 | 0 | 6 | 1.55 | 9.25 | 0.49 | 4.68 | 7.52 | 4.56 | 1.61 |
| 1990 | Chicago Cubs | NL | MLB | CHN | 38 | 23 | 0 | 0 | 9.82 | 7 | 0 | 0 | 0 | 7 | 3 | 1 | 7.1 | 11 | 8 | 8 | 1 | 7 | 3 | 3 | 0 | 1 | 2.45 | 13.50 | 1.23 | 8.59 | 3.68 | 9.82 | 0.43 |
| 1991 | Tucson Toros | PCL | AAA | HOU | - | 24 | 8 | 7 | 4.20 | 65 | 0 | 0 | 0 | 65 | 47 | 21 | 83.2 | 84 | 47 | 39 | 2 | 43 | 65 | 5 | 0 | 5 | 1.52 | 9.04 | 0.22 | 4.63 | 6.99 | 5.06 | 1.51 |
| 1991 | Houston Astros | NL | MLB | HOU | 36 | 24 | 2 | 1 | 11.25 | 7 | 0 | 0 | 0 | 7 | 3 | 1 | 8.0 | 16 | 14 | 10 | 0 | 10 | 4 | 1 | 0 | 0 | 3.25 | 18.00 | 0.00 | 11.25 | 4.50 | 15.75 | 0.40 |
| 1992 | Wichita Wranglers | Tex | AA | SDN | - | 25 | 1 | 2 | 3.24 | 13 | 0 | 0 | 0 | 13 | 4 | 0 | 25.0 | 20 | 10 | 9 | 0 | 10 | 27 | 3 | 0 | 0 | 1.20 | 7.20 | 0.00 | 3.60 | 9.72 | 3.60 | 2.70 |
| 1992 | El Paso Diablos | Tex | AA | MIL | - | 25 | 0 | 0 | 9.98 | 13 | 1 | 0 | 0 | 12 | 3 | 0 | 15.1 | 17 | 18 | 17 | 3 | 14 | 14 | 2 | 0 | 0 | 2.02 | 9.98 | 1.76 | 8.22 | 8.22 | 10.57 | 1.00 |
| 1992 | Las Vegas Stars | PCL | AAA | SDN | - | 25 | 0 | 1 | 7.43 | 8 | 1 | 0 | 0 | 7 | 3 | 0 | 13.1 | 16 | 15 | 11 | 2 | 9 | 9 | 4 | 0 | 0 | 1.88 | 10.80 | 1.35 | 6.08 | 6.08 | 10.13 | 1.00 |
| 1993 | San Bernardino Spirit | Calif | A+ | - | 26 | 1 | 2 | 7.50 | 20 | 0 | 0 | 0 | 20 | 14 | 4 | 24.0 | 25 | 24 | 20 | 4 | 23 | 26 | 1 | 0 | 5 | 2.00 | 9.38 | 1.50 | 8.63 | 9.75 | 9.00 | 1.13 | |
| Tot: | MLB (3 yrs) | MLB | 3 | 1 | 7.55 | 25 | 0 | 0 | 0 | 7 | 25 | 2 | 31.0 | 40 | 31 | 26 | 3 | 26 | 21 | 4 | 0 | 1 | 2.13 | 11.61 | 0.87 | 7.55 | 6.10 | 9.00 | 0.81 | ||||
| Tot: | NL (3 yrs) | NL | 3 | 1 | 7.55 | 25 | 0 | 0 | 0 | 7 | 25 | 2 | 31.0 | 40 | 31 | 26 | 3 | 26 | 21 | 4 | 0 | 1 | 2.13 | 11.61 | 0.87 | 7.55 | 6.10 | 9.00 | 0.81 | ||||
| Tot: | Minors (8 yrs) | Minors | 50 | 41 | 3.84 | 313 | 54 | 9 | 2 | 175 | 259 | 67 | 695.1 | 665 | 365 | 297 | 33 | 313 | 536 | 61 | 0 | 33 | 1.41 | 8.61 | 0.43 | 4.05 | 6.94 | 4.72 | 1.71 | ||||
| Tot: | A- (1 yrs) | A- | 9 | 0 | 3.13 | 15 | 12 | 1 | 0 | 3 | 3 | 1 | 83.1 | 64 | 32 | 29 | 5 | 24 | 80 | 4 | 0 | 8 | 1.06 | 6.91 | 0.54 | 2.59 | 8.64 | 3.46 | 3.33 | ||||
| Tot: | A+ (2 yrs) | A+ | 13 | 11 | 3.75 | 48 | 20 | 8 | 2 | 16 | 28 | 5 | 180.0 | 169 | 96 | 75 | 9 | 86 | 131 | 9 | 0 | 7 | 1.42 | 8.45 | 0.45 | 4.30 | 6.55 | 4.80 | 1.52 | ||||
| Tot: | AA (3 yrs) | AA | 6 | 9 | 3.48 | 87 | 3 | 0 | 0 | 56 | 84 | 26 | 124.0 | 108 | 64 | 48 | 6 | 55 | 108 | 14 | 0 | 3 | 1.31 | 7.84 | 0.44 | 3.99 | 7.84 | 4.65 | 1.96 | ||||
| Tot: | AAA (4 yrs) | AAA | 22 | 21 | 4.24 | 163 | 19 | 0 | 0 | 100 | 144 | 35 | 308.0 | 324 | 173 | 145 | 13 | 148 | 217 | 34 | 0 | 15 | 1.53 | 9.47 | 0.38 | 4.32 | 6.34 | 5.06 | 1.47 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 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 |
| 1987 | Winston-Salem Spirits | Caro | A+ | CHN | - | 20 | P | 13 | 10 | 2 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 4 | 11 | 1 | 1 | .200 | .200 | .400 | .600 | .200 | .200 | .333 | 0.00 | 36.36 | 0.00 | 0.00 | |
| 1988 | Pittsfield Cubs | East | AA | CHN | - | 21 | P | 59 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1989 | Iowa Cubs | Amer | AAA | CHN | - | 22 | P | 38 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 7 | 0 | 0 | 0 | 1 | 17 | 0 | 1 | .100 | .100 | .100 | .200 | .000 | .000 | .333 | 0.00 | 41.18 | 0.00 | 0.00 | |
| 1989 | Chicago Cubs | NL | MLB | CHN | 38 | 22 | P | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1990 | Iowa Cubs | Amer | AAA | CHN | - | 23 | P | 52 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1991 | Tucson Toros | PCL | AAA | HOU | - | 24 | P | 65 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1991 | Houston Astros | NL | MLB | HOU | 36 | 24 | P | 7 | 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 | |
| 1992 | Wichita Wranglers | Tex | AA | SDN | - | 25 | P | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1992 | El Paso Diablos | Tex | AA | MIL | - | 25 | P | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1992 | Las Vegas Stars | PCL | AAA | SDN | - | 25 | P | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .333 | .000 | .333 | .500 | .000 | .000 | 33.33 | 66.67 | 2.00 | 0.00 | |
| Tot: | MLB (2 yrs) | MLB | 18 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | |||||||||
| Tot: | NL (2 yrs) | NL | 18 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | |||||||||
| Tot: | Minors (6 yrs) | Minors | 262 | 29 | 2 | 3 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 16 | 0 | 14 | 0 | 0 | 0 | 5 | 44 | 1 | 2 | .103 | .133 | .172 | .306 | .103 | .069 | .231 | 2.27 | 36.36 | 16.00 | |||||||
| Tot: | A+ (1 yrs) | A+ | 13 | 10 | 2 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 4 | 11 | 1 | 1 | .200 | .200 | .400 | .600 | .200 | .200 | .333 | 0.00 | 36.36 | ||||||||
| Tot: | AA (2 yrs) | AA | 86 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 20.00 | ||||||||
| Tot: | AAA (4 yrs) | AAA | 163 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 11 | 0 | 0 | 0 | 1 | 28 | 0 | 1 | .063 | .118 | .063 | .180 | .063 | .000 | .200 | 3.57 | 39.29 | 11.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 65 | 37 | 55 | 45 | 55 | 65 | .507 |