| 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 |
| 1980 | Geneva Cubs | NYPL | A- | CHN | - | 22 | 3 | 2 | 3.00 | 26 | 0 | 0 | 0 | 26 | 0 | 9 | 48.0 | 42 | 20 | 16 | 2 | 16 | 42 | 0 | 0 | 0 | 1.21 | 7.88 | 0.38 | 3.00 | 7.88 | 3.75 | 2.63 |
| 1981 | Quad Cities Cubs | Midw | A | CHN | - | 23 | 8 | 5 | 1.98 | 26 | 13 | 7 | 2 | 13 | 8 | 1 | 132.0 | 118 | 35 | 29 | 8 | 16 | 102 | 3 | 0 | 3 | 1.02 | 8.05 | 0.55 | 1.09 | 6.95 | 2.39 | 6.38 |
| 1982 | Midland Cubs | Tex | AA | CHN | - | 24 | 6 | 5 | 3.18 | 26 | 10 | 6 | 1 | 16 | 10 | 4 | 124.2 | 127 | 53 | 44 | 11 | 28 | 80 | 2 | 0 | 3 | 1.24 | 9.17 | 0.79 | 2.02 | 5.78 | 3.83 | 2.86 |
| 1982 | Iowa Cubs | Amer | AAA | CHN | - | 24 | 1 | 1 | 3.90 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 27.2 | 35 | 19 | 12 | 1 | 3 | 16 | 1 | 0 | 1 | 1.37 | 11.39 | 0.33 | 0.98 | 5.20 | 6.18 | 5.33 |
| 1983 | Midland Cubs | Tex | AA | CHN | - | 25 | 5 | 2 | 3.68 | 24 | 6 | 0 | 0 | 18 | 10 | 0 | 80.2 | 95 | 44 | 33 | 5 | 18 | 49 | 0 | 0 | 2 | 1.40 | 10.60 | 0.56 | 2.01 | 5.47 | 4.91 | 2.72 |
| 1983 | Iowa Cubs | Amer | AAA | CHN | - | 25 | 1 | 2 | 2.35 | 16 | 0 | 0 | 0 | 16 | 14 | 6 | 23.0 | 23 | 8 | 6 | 0 | 5 | 14 | 0 | 0 | 1 | 1.22 | 9.00 | 0.00 | 1.96 | 5.48 | 3.13 | 2.80 |
| 1984 | Midland Cubs | Tex | AA | CHN | - | 26 | 1 | 0 | 3.18 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.2 | 7 | 2 | 2 | 0 | 1 | 3 | 0 | 0 | 0 | 1.41 | 11.12 | 0.00 | 1.59 | 4.76 | 3.18 | 3.00 |
| 1984 | Iowa Cubs | Amer | AAA | CHN | - | 26 | 5 | 6 | 4.34 | 34 | 13 | 1 | 0 | 21 | 10 | 2 | 120.1 | 133 | 68 | 58 | 9 | 51 | 76 | 1 | 0 | 5 | 1.53 | 9.95 | 0.67 | 3.81 | 5.68 | 5.09 | 1.49 |
| 1985 | Iowa Cubs | Amer | AAA | CHN | - | 27 | 4 | 6 | 4.40 | 44 | 6 | 0 | 0 | 38 | 19 | 5 | 118.2 | 100 | 61 | 58 | 10 | 45 | 75 | 3 | 0 | 0 | 1.22 | 7.58 | 0.76 | 3.41 | 5.69 | 4.63 | 1.67 |
| 1986 | Iowa Cubs | Amer | AAA | CHN | - | 28 | 3 | 8 | 4.71 | 31 | 8 | 0 | 0 | 23 | 4 | 0 | 78.1 | 68 | 41 | 41 | 3 | 50 | 34 | 10 | 0 | 5 | 1.51 | 7.81 | 0.34 | 5.74 | 3.91 | 4.71 | 0.68 |
| Tot: | Minors (7 yrs) | Minors | 37 | 37 | 3.55 | 233 | 62 | 15 | 4 | 75 | 171 | 27 | 759.0 | 748 | 351 | 299 | 49 | 233 | 491 | 20 | 0 | 20 | 1.29 | 8.87 | 0.58 | 2.76 | 5.82 | 4.16 | 2.11 | ||||
| Tot: | A- (1 yrs) | A- | 3 | 2 | 3.00 | 26 | 0 | 0 | 0 | 0 | 26 | 9 | 48.0 | 42 | 20 | 16 | 2 | 16 | 42 | 0 | 0 | 0 | 1.21 | 7.88 | 0.38 | 3.00 | 7.88 | 3.75 | 2.63 | ||||
| Tot: | A (1 yrs) | A | 8 | 5 | 1.98 | 26 | 13 | 7 | 2 | 8 | 13 | 1 | 132.0 | 118 | 35 | 29 | 8 | 16 | 102 | 3 | 0 | 3 | 1.02 | 8.05 | 0.55 | 1.09 | 6.95 | 2.39 | 6.38 | ||||
| Tot: | AA (3 yrs) | AA | 12 | 7 | 3.37 | 51 | 17 | 6 | 1 | 20 | 34 | 4 | 211.0 | 229 | 99 | 79 | 16 | 47 | 132 | 2 | 0 | 5 | 1.31 | 9.77 | 0.68 | 2.00 | 5.63 | 4.22 | 2.81 | ||||
| Tot: | AAA (5 yrs) | AAA | 14 | 23 | 4.28 | 130 | 32 | 2 | 1 | 47 | 98 | 13 | 368.0 | 359 | 197 | 175 | 23 | 154 | 215 | 15 | 0 | 12 | 1.39 | 8.78 | 0.56 | 3.77 | 5.26 | 4.82 | 1.40 | ||||
| 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 |
| 1981 | Quad Cities Cubs | Midw | A | CHN | - | 23 | P | 26 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .333 | .500 | .333 | .833 | .333 | .000 | .333 | 25.00 | 0.00 | 0.00 | 0.00 | |
| 1984 | Midland Cubs | Tex | AA | CHN | - | 26 | P | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 | |
| 1984 | Iowa Cubs | Amer | AAA | CHN | - | 26 | P | 34 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | .000 | .083 | .000 | .083 | .091 | .000 | .000 | 7.69 | 30.77 | 4.00 | 0.00 | |
| 1985 | Iowa Cubs | Amer | AAA | CHN | - | 27 | P | 44 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1986 | Iowa Cubs | Amer | AAA | CHN | - | 28 | P | 31 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 25.00 | 0.00 | 0.00 | |
| Tot: | Minors (4 yrs) | Minors | 136 | 23 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 8 | 0 | 2 | 1 | 0 | 0 | 1 | 28 | 0 | 1 | .043 | .115 | .043 | .159 | .087 | .000 | .063 | 7.14 | 28.57 | 4.00 | |||||||
| Tot: | A (1 yrs) | A | 26 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .333 | .500 | .333 | .833 | .333 | .000 | .333 | 25.00 | 0.00 | 0.00 | |||||||
| Tot: | AA (1 yrs) | AA | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | ||||||||
| Tot: | AAA (3 yrs) | AAA | 109 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | .000 | .053 | .000 | .053 | .056 | .000 | .000 | 4.76 | 33.33 | 7.00 | |||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 45 | 76 | 55 | 71 | 55 | 86 | .508 |