| 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 |
| 1983 | Santa Clara | NCBA | NCAA-1 | 22 | 5 | 6 | 3.59 | 17 | 14 | 5 | 0 | 3 | 0 | 1 | 95.1 | 100 | 58 | 38 | 7 | 40 | 86 | 7 | 0 | 2 | 1.47 | 9.44 | 0.66 | 3.78 | 8.12 | 5.48 | 2.15 | ||
| 1983 | Auburn Astros | NYPL | A- | HOU | - | 22 | 3 | 2 | 3.48 | 6 | 5 | 0 | 0 | 1 | 1 | 0 | 33.2 | 33 | 19 | 13 | 1 | 19 | 21 | 3 | 0 | 3 | 1.54 | 8.82 | 0.27 | 5.08 | 5.61 | 5.08 | 1.11 |
| 1983 | Asheville Tourists | SAL | A | HOU | - | 22 | 3 | 4 | 4.05 | 10 | 9 | 1 | 0 | 1 | 0 | 0 | 60.0 | 60 | 33 | 27 | 12 | 30 | 47 | 10 | 0 | 0 | 1.50 | 9.00 | 1.80 | 4.50 | 7.05 | 4.95 | 1.57 |
| 1984 | Asheville Tourists | SAL | A | HOU | - | 23 | 4 | 5 | 3.36 | 15 | 14 | 1 | 1 | 1 | 0 | 0 | 88.1 | 82 | 38 | 33 | 7 | 44 | 82 | 10 | 0 | 0 | 1.43 | 8.35 | 0.71 | 4.48 | 8.35 | 3.87 | 1.86 |
| 1984 | Daytona Astros | FSL | A+ | HOU | - | 23 | 5 | 4 | 4.21 | 13 | 11 | 3 | 1 | 2 | 1 | 0 | 68.1 | 67 | 40 | 32 | 3 | 37 | 44 | 6 | 0 | 4 | 1.52 | 8.82 | 0.40 | 4.87 | 5.80 | 5.27 | 1.19 |
| 1985 | Columbus Astros | Sou | AA | HOU | - | 24 | 10 | 9 | 3.96 | 33 | 25 | 1 | 0 | 8 | 4 | 2 | 147.2 | 132 | 73 | 65 | 18 | 82 | 85 | 8 | 0 | 0 | 1.45 | 8.05 | 1.10 | 5.00 | 5.18 | 4.45 | 1.04 |
| 1986 | Columbus Astros | Sou | AA | HOU | - | 25 | 2 | 3 | 5.10 | 38 | 3 | 0 | 0 | 35 | 16 | 0 | 77.2 | 76 | 49 | 44 | 9 | 46 | 56 | 4 | 0 | 3 | 1.57 | 8.81 | 1.04 | 5.33 | 6.49 | 5.68 | 1.22 |
| 1987 | Fresno Giants | Calif | A+ | SFN | - | 26 | 1 | 2 | 0.84 | 27 | 0 | 0 | 0 | 27 | 18 | 9 | 42.2 | 29 | 11 | 4 | 1 | 18 | 64 | 2 | 0 | 1 | 1.10 | 6.12 | 0.21 | 3.80 | 13.50 | 2.32 | 3.56 |
| 1987 | Shreveport Captains | Tex | AA | SFN | - | 26 | 3 | 1 | 1.62 | 21 | 1 | 0 | 0 | 20 | 11 | 4 | 33.1 | 24 | 10 | 6 | 2 | 10 | 35 | 2 | 0 | 0 | 1.02 | 6.48 | 0.54 | 2.70 | 9.45 | 2.70 | 3.50 |
| 1988 | Phoenix Firebirds | PCL | AAA | SFN | - | 27 | 3 | 2 | 2.63 | 30 | 0 | 0 | 0 | 30 | 21 | 8 | 48.0 | 34 | 16 | 14 | 1 | 15 | 33 | 3 | 0 | 1 | 1.02 | 6.38 | 0.19 | 2.81 | 6.19 | 3.00 | 2.20 |
| 1988 | San Francisco Giants | NL | MLB | SFN | 58 | 27 | 1 | 2 | 3.47 | 15 | 0 | 0 | 0 | 15 | 8 | 0 | 23.1 | 17 | 10 | 9 | 4 | 7 | 22 | 2 | 0 | 1 | 1.03 | 6.56 | 1.54 | 2.70 | 8.49 | 3.86 | 3.14 |
| 1989 | Phoenix Firebirds | PCL | AAA | SFN | - | 28 | 0 | 3 | 3.20 | 14 | 0 | 0 | 0 | 14 | 10 | 2 | 19.2 | 14 | 7 | 7 | 1 | 4 | 18 | 0 | 0 | 1 | 0.92 | 6.41 | 0.46 | 1.83 | 8.24 | 3.20 | 4.50 |
| 1989 | Buffalo Bisons | Amer | AAA | PIT | - | 28 | 1 | 1 | 2.36 | 19 | 0 | 0 | 0 | 19 | 7 | 2 | 26.2 | 23 | 11 | 7 | 0 | 8 | 18 | 2 | 0 | 2 | 1.16 | 7.76 | 0.00 | 2.70 | 6.07 | 3.71 | 2.25 |
| 1989 | Pittsburgh Pirates | NL | MLB | PIT | 58 | 28 | 0 | 0 | 9.82 | 5 | 0 | 0 | 0 | 5 | 4 | 0 | 3.2 | 9 | 4 | 4 | 1 | 4 | 2 | 0 | 0 | 0 | 3.55 | 22.09 | 2.45 | 9.82 | 4.91 | 9.82 | 0.50 |
| 1990 | Buffalo Bisons | Amer | AAA | PIT | - | 29 | 0 | 0 | 3.60 | 5 | 0 | 0 | 0 | 5 | 1 | 0 | 5.0 | 6 | 2 | 2 | 0 | 1 | 4 | 0 | 0 | 0 | 1.40 | 10.80 | 0.00 | 1.80 | 7.20 | 3.60 | 4.00 |
| 1990 | Tidewater Tides | IL | AAA | NYN | - | 29 | 3 | 3 | 2.83 | 35 | 1 | 0 | 0 | 34 | 18 | 2 | 41.1 | 39 | 15 | 13 | 2 | 13 | 29 | 4 | 0 | 5 | 1.26 | 8.49 | 0.44 | 2.83 | 6.31 | 3.27 | 2.23 |
| Tot: | MLB (2 yrs) | MLB | 1 | 2 | 4.33 | 20 | 0 | 0 | 0 | 12 | 20 | 0 | 27.0 | 26 | 14 | 13 | 5 | 11 | 24 | 2 | 0 | 1 | 1.37 | 8.67 | 1.67 | 3.67 | 8.00 | 4.67 | 2.18 | ||||
| Tot: | NL (2 yrs) | NL | 1 | 2 | 4.33 | 20 | 0 | 0 | 0 | 12 | 20 | 0 | 27.0 | 26 | 14 | 13 | 5 | 11 | 24 | 2 | 0 | 1 | 1.37 | 8.67 | 1.67 | 3.67 | 8.00 | 4.67 | 2.18 | ||||
| Tot: | Minors (8 yrs) | Minors | 38 | 39 | 3.47 | 266 | 69 | 6 | 2 | 108 | 197 | 29 | 692.1 | 619 | 324 | 267 | 57 | 327 | 536 | 54 | 0 | 20 | 1.37 | 8.05 | 0.74 | 4.25 | 6.97 | 4.21 | 1.64 | ||||
| Tot: | A- (1 yrs) | A- | 3 | 2 | 3.48 | 6 | 5 | 0 | 0 | 1 | 1 | 0 | 33.2 | 33 | 19 | 13 | 1 | 19 | 21 | 3 | 0 | 3 | 1.54 | 8.82 | 0.27 | 5.08 | 5.61 | 5.08 | 1.11 | ||||
| Tot: | A (2 yrs) | A | 7 | 9 | 3.64 | 25 | 23 | 2 | 1 | 0 | 2 | 0 | 148.1 | 142 | 71 | 60 | 19 | 74 | 129 | 20 | 0 | 0 | 1.46 | 8.62 | 1.15 | 4.49 | 7.83 | 4.31 | 1.74 | ||||
| Tot: | A+ (2 yrs) | A+ | 6 | 6 | 2.92 | 40 | 11 | 3 | 1 | 19 | 29 | 9 | 111.0 | 96 | 51 | 36 | 4 | 55 | 108 | 8 | 0 | 5 | 1.36 | 7.78 | 0.32 | 4.46 | 8.76 | 4.14 | 1.96 | ||||
| Tot: | AA (3 yrs) | AA | 15 | 13 | 4.00 | 92 | 29 | 1 | 0 | 31 | 63 | 6 | 258.2 | 232 | 132 | 115 | 29 | 138 | 176 | 14 | 0 | 3 | 1.43 | 8.07 | 1.01 | 4.80 | 6.12 | 4.59 | 1.28 | ||||
| Tot: | AAA (3 yrs) | AAA | 7 | 9 | 2.75 | 103 | 1 | 0 | 0 | 57 | 102 | 14 | 140.2 | 116 | 51 | 43 | 4 | 41 | 102 | 9 | 0 | 9 | 1.12 | 7.42 | 0.26 | 2.62 | 6.53 | 3.26 | 2.49 | ||||
| Tot: | College (1 yrs) | College | 5 | 6 | 3.59 | 17 | 14 | 5 | 0 | 0 | 3 | 1 | 95.1 | 100 | 58 | 38 | 7 | 40 | 86 | 7 | 0 | 2 | 1.47 | 9.44 | 0.66 | 3.78 | 8.12 | 5.48 | 2.15 | ||||
| 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 |
| 1984 | Asheville Tourists | SAL | A | HOU | - | 23 | P | 15 | 17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 0 | 2 | 0 | 0 | 0 | 1 | 22 | 0 | 1 | .059 | .200 | .059 | .259 | .176 | .000 | .100 | 13.64 | 31.82 | 2.33 | 0.00 | |
| 1984 | Daytona Astros | FSL | A+ | HOU | - | 23 | P | 13 | 9 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 0 | 1 | .111 | .111 | .111 | .222 | .000 | .000 | .200 | 0.00 | 44.44 | 0.00 | 0.00 | |
| 1985 | Columbus Astros | Sou | AA | HOU | - | 24 | P | 33 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | .000 | .091 | .000 | .091 | .100 | .000 | .000 | 7.69 | 46.15 | 6.00 | 0.00 | |
| 1986 | Columbus Astros | Sou | AA | HOU | - | 25 | P | 38 | 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 | |
| 1987 | Fresno Giants | Calif | A+ | SFN | - | 26 | P | 27 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .500 | .000 | .500 | 1.000 | .000 | .000 | 50.00 | 0.00 | 0.00 | 0.00 | |
| 1987 | Shreveport Captains | Tex | AA | SFN | - | 26 | P | 21 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .333 | .500 | .333 | .833 | .333 | .000 | .500 | 25.00 | 25.00 | 1.00 | 0.00 | |
| 1988 | Phoenix Firebirds | PCL | AAA | SFN | - | 27 | P | 30 | 5 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 2 | .400 | .500 | .400 | .900 | .200 | .000 | .500 | 16.67 | 16.67 | 1.00 | 0.00 | |
| 1988 | San Francisco Giants | NL | MLB | SFN | 58 | 27 | P | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | 0.00 | 0.00 | |
| 1990 | Buffalo Bisons | Amer | AAA | PIT | - | 29 | P | 5 | 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 | |
| 1990 | Tidewater Tides | IL | AAA | NYN | - | 29 | P | 35 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 2 | 1.000 | 1.000 | 1.000 | 2.000 | .500 | .000 | 1.000 | 33.33 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (1 yrs) | MLB | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | ||||||||
| Tot: | NL (1 yrs) | NL | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 66.67 | ||||||||
| Tot: | Minors (6 yrs) | Minors | 217 | 49 | 3 | 7 | 0 | 0 | 0 | 5 | 0 | 0 | 8 | 20 | 0 | 4 | 0 | 0 | 0 | 7 | 61 | 0 | 7 | .143 | .263 | .143 | .406 | .163 | .000 | .241 | 13.11 | 32.79 | 2.50 | |||||||
| Tot: | A (1 yrs) | A | 15 | 17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 | 0 | 2 | 0 | 0 | 0 | 1 | 22 | 0 | 1 | .059 | .200 | .059 | .259 | .176 | .000 | .100 | 13.64 | 31.82 | 2.33 | |||||||
| Tot: | A+ (2 yrs) | A+ | 40 | 10 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 1 | .100 | .182 | .100 | .282 | .100 | .000 | .167 | 9.09 | 36.36 | 4.00 | |||||||
| Tot: | AA (3 yrs) | AA | 92 | 14 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 7 | 0 | 2 | 0 | 0 | 0 | 1 | 18 | 0 | 1 | .071 | .188 | .071 | .259 | .143 | .000 | .143 | 11.11 | 38.89 | 3.50 | |||||||
| Tot: | AAA (2 yrs) | AAA | 70 | 8 | 1 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 10 | 0 | 4 | .500 | .600 | .500 | 1.100 | .250 | .000 | .667 | 20.00 | 20.00 | 1.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 60 | 56 | 71 | 63 | 71 | 67 | .515 |