| 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 |
| 1979 | Midland Cubs | Tex | AA | CHN | - | 22 | 4 | 8 | 4.59 | 18 | 13 | 4 | 0 | 5 | 0 | 1 | 96.0 | 133 | 76 | 49 | 9 | 32 | 34 | 4 | 0 | 0 | 1.72 | 12.47 | 0.84 | 3.00 | 3.19 | 7.13 | 1.06 |
| 1980 | Midland Cubs | Tex | AA | CHN | - | 23 | 13 | 7 | 4.28 | 30 | 30 | 9 | 2 | 0 | 0 | 0 | 200.0 | 230 | 115 | 95 | 13 | 76 | 78 | 11 | 0 | 3 | 1.53 | 10.35 | 0.59 | 3.42 | 3.51 | 5.18 | 1.03 |
| 1981 | Midland Cubs | Tex | AA | CHN | - | 24 | 1 | 4 | 7.60 | 12 | 11 | 2 | 0 | 1 | 1 | 1 | 58.0 | 90 | 62 | 49 | 5 | 22 | 29 | 7 | 0 | 4 | 1.93 | 13.97 | 0.78 | 3.41 | 4.50 | 9.62 | 1.32 |
| 1981 | Iowa Oaks | Amer | AAA | CHN | - | 24 | 2 | 7 | 6.39 | 16 | 9 | 1 | 0 | 7 | 0 | 0 | 62.0 | 74 | 53 | 44 | 5 | 37 | 16 | 0 | 0 | 0 | 1.79 | 10.74 | 0.73 | 5.37 | 2.32 | 7.69 | 0.43 |
| 1982 | Midland Cubs | Tex | AA | CHN | - | 25 | 13 | 7 | 3.66 | 26 | 26 | 8 | 0 | 0 | 0 | 0 | 184.1 | 196 | 89 | 75 | 15 | 50 | 81 | 7 | 0 | 13 | 1.33 | 9.57 | 0.73 | 2.44 | 3.95 | 4.35 | 1.62 |
| 1983 | Iowa Cubs | Amer | AAA | CHN | - | 26 | 4 | 11 | 4.51 | 31 | 13 | 3 | 0 | 18 | 9 | 3 | 115.2 | 138 | 78 | 58 | 8 | 29 | 34 | 1 | 0 | 2 | 1.44 | 10.74 | 0.62 | 2.26 | 2.65 | 6.07 | 1.17 |
| 1984 | Iowa Cubs | Amer | AAA | CHN | - | 27 | 11 | 6 | 3.79 | 24 | 24 | 4 | 1 | 0 | 0 | 0 | 147.1 | 131 | 69 | 62 | 10 | 51 | 61 | 3 | 0 | 5 | 1.24 | 8.00 | 0.61 | 3.12 | 3.73 | 4.21 | 1.20 |
| 1985 | Iowa Cubs | Amer | AAA | CHN | - | 28 | 7 | 12 | 4.70 | 32 | 23 | 4 | 0 | 9 | 6 | 0 | 151.1 | 181 | 91 | 79 | 11 | 45 | 64 | 6 | 0 | 0 | 1.49 | 10.76 | 0.65 | 2.68 | 3.81 | 5.41 | 1.42 |
| 1985 | Chicago Cubs | NL | MLB | CHN | 35 | 28 | 1 | 0 | 11.42 | 6 | 0 | 0 | 0 | 6 | 1 | 0 | 8.2 | 10 | 11 | 11 | 3 | 8 | 4 | 1 | 0 | 0 | 2.08 | 10.38 | 3.12 | 8.31 | 4.15 | 11.42 | 0.50 |
| 1986 | Phoenix Firebirds | PCL | AAA | SFN | - | 29 | 7 | 3 | 4.31 | 45 | 7 | 1 | 0 | 38 | 16 | 2 | 117.0 | 149 | 64 | 56 | 3 | 32 | 45 | 3 | 0 | 3 | 1.55 | 11.46 | 0.23 | 2.46 | 3.46 | 4.92 | 1.41 |
| 1987 | Phoenix Firebirds | PCL | AAA | SFN | - | 30 | 12 | 6 | 2.81 | 52 | 0 | 0 | 0 | 52 | 44 | 18 | 89.2 | 93 | 36 | 28 | 3 | 37 | 49 | 6 | 0 | 2 | 1.45 | 9.33 | 0.30 | 3.71 | 4.92 | 3.61 | 1.32 |
| 1987 | San Francisco Giants | NL | MLB | SFN | 46 | 30 | 0 | 0 | 3.97 | 10 | 0 | 0 | 0 | 10 | 3 | 0 | 11.1 | 11 | 7 | 5 | 1 | 4 | 3 | 2 | 0 | 1 | 1.32 | 8.74 | 0.79 | 3.18 | 2.38 | 5.56 | 0.75 |
| 1988 | Williamsport Bills | East | AA | CLE | - | 31 | 0 | 1 | 3.38 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 5.1 | 5 | 2 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 0.94 | 8.44 | 0.00 | 0.00 | 5.06 | 3.38 | 0.00 |
| 1988 | Colorado Springs Sky Sox | PCL | AAA | CLE | - | 31 | 3 | 1 | 3.23 | 22 | 0 | 0 | 0 | 22 | 20 | 5 | 30.2 | 31 | 16 | 11 | 2 | 11 | 19 | 1 | 0 | 0 | 1.37 | 9.10 | 0.59 | 3.23 | 5.58 | 4.70 | 1.73 |
| 1988 | Cleveland Indians | AL | MLB | CLE | 44 | 31 | 0 | 2 | 5.49 | 10 | 0 | 0 | 0 | 10 | 5 | 0 | 19.2 | 25 | 12 | 12 | 0 | 11 | 10 | 1 | 3 | 0 | 1.83 | 11.44 | 0.00 | 5.03 | 4.58 | 5.49 | 0.91 |
| Tot: | MLB (3 yrs) | MLB | 1 | 2 | 6.35 | 26 | 0 | 0 | 0 | 9 | 26 | 0 | 39.2 | 46 | 30 | 28 | 4 | 23 | 17 | 4 | 3 | 1 | 1.74 | 10.44 | 0.91 | 5.22 | 3.86 | 6.81 | 0.74 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 2 | 5.49 | 10 | 0 | 0 | 0 | 5 | 10 | 0 | 19.2 | 25 | 12 | 12 | 0 | 11 | 10 | 1 | 3 | 0 | 1.83 | 11.44 | 0.00 | 5.03 | 4.58 | 5.49 | 0.91 | ||||
| Tot: | NL (2 yrs) | NL | 1 | 0 | 7.20 | 16 | 0 | 0 | 0 | 4 | 16 | 0 | 20.0 | 21 | 18 | 16 | 4 | 12 | 7 | 3 | 0 | 1 | 1.65 | 9.45 | 1.80 | 5.40 | 3.15 | 8.10 | 0.58 | ||||
| Tot: | Minors (10 yrs) | Minors | 77 | 73 | 4.35 | 311 | 158 | 36 | 3 | 96 | 153 | 30 | 1257.1 | 1451 | 751 | 608 | 84 | 422 | 513 | 49 | 0 | 32 | 1.49 | 10.39 | 0.60 | 3.02 | 3.67 | 5.38 | 1.22 | ||||
| Tot: | AA (5 yrs) | AA | 31 | 27 | 4.47 | 89 | 82 | 23 | 2 | 1 | 7 | 2 | 543.2 | 654 | 344 | 270 | 42 | 180 | 225 | 29 | 0 | 20 | 1.53 | 10.83 | 0.70 | 2.98 | 3.72 | 5.69 | 1.25 | ||||
| Tot: | AAA (7 yrs) | AAA | 46 | 46 | 4.26 | 222 | 76 | 13 | 1 | 95 | 146 | 28 | 713.2 | 797 | 407 | 338 | 42 | 242 | 288 | 20 | 0 | 12 | 1.46 | 10.05 | 0.53 | 3.05 | 3.63 | 5.13 | 1.19 | ||||
| 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 |
| 1980 | Midland Cubs | Tex | AA | CHN | - | 23 | P | 32 | 1 | 1 | 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 | |
| 1984 | Iowa Cubs | Amer | AAA | CHN | - | 27 | P | 24 | 13 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 1 | 0 | 0 | 0 | 2 | 15 | 1 | 0 | .077 | .143 | .154 | .297 | .154 | .077 | .143 | 6.67 | 40.00 | 6.00 | 0.00 | |
| 1985 | Iowa Cubs | Amer | AAA | CHN | - | 28 | P | 35 | 14 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 2 | 0 | 0 | 0 | 1 | 17 | 0 | 1 | .071 | .133 | .071 | .204 | .071 | .000 | .125 | 5.88 | 35.29 | 6.00 | 0.00 | |
| 1985 | Chicago Cubs | NL | MLB | CHN | 35 | 28 | P | 6 | 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 | |
| 1986 | Phoenix Firebirds | PCL | AAA | SFN | - | 29 | P | 45 | 12 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 12 | 0 | 3 | .250 | .250 | .250 | .500 | .000 | .000 | .300 | 0.00 | 16.67 | 0.00 | 0.00 | |
| 1987 | Phoenix Firebirds | PCL | AAA | SFN | - | 30 | P | 52 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | .000 | .143 | .000 | .143 | .167 | .000 | .000 | 14.29 | 42.86 | 3.00 | 0.00 | |
| Tot: | MLB (1 yrs) | MLB | 6 | 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 | 0.00 | 100.00 | |||||||||
| Tot: | NL (1 yrs) | NL | 6 | 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 | 0.00 | 100.00 | |||||||||
| Tot: | Minors (6 yrs) | Minors | 215 | 46 | 8 | 5 | 1 | 0 | 0 | 2 | 0 | 0 | 3 | 17 | 0 | 3 | 0 | 0 | 0 | 6 | 52 | 1 | 4 | .109 | .163 | .130 | .294 | .087 | .022 | .172 | 5.77 | 32.69 | 5.67 | |||||||
| Tot: | AA (2 yrs) | AA | 59 | 1 | 2 | 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 | ||||||||
| Tot: | AAA (4 yrs) | AAA | 156 | 45 | 6 | 5 | 1 | 0 | 0 | 2 | 0 | 0 | 3 | 17 | 0 | 3 | 0 | 0 | 0 | 6 | 51 | 1 | 4 | .111 | .167 | .133 | .300 | .089 | .022 | .179 | 5.88 | 33.33 | 5.67 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 10 | 71 | 24 | 34 | 24 | 69 | .498 |