| 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 |
| 1977 | Appleton Foxes | Midw | A | CHA | - | 19 | 6 | 8 | 4.05 | 21 | 18 | 3 | 1 | 3 | 0 | 0 | 111.0 | 113 | 66 | 50 | 4 | 66 | 101 | 6 | 1 | 0 | 1.61 | 9.16 | 0.32 | 5.35 | 8.19 | 5.35 | 1.53 |
| 1977 | Iowa Oaks | Amer | AAA | CHA | - | 19 | 0 | 4 | 5.63 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 24.0 | 27 | 16 | 15 | 2 | 11 | 14 | 2 | 0 | 0 | 1.58 | 10.13 | 0.75 | 4.13 | 5.25 | 6.00 | 1.27 |
| 1978 | Knoxville Sox | Sou | AA | CHA | - | 20 | 8 | 3 | 1.65 | 12 | 12 | 2 | 1 | 0 | 0 | 0 | 71.0 | 46 | 16 | 13 | 3 | 33 | 48 | 5 | 0 | 2 | 1.11 | 5.83 | 0.38 | 4.18 | 6.08 | 2.03 | 1.45 |
| 1978 | Iowa Oaks | Amer | AAA | CHA | - | 20 | 3 | 4 | 5.24 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | 55.0 | 57 | 36 | 32 | 3 | 22 | 38 | 2 | 0 | 2 | 1.44 | 9.33 | 0.49 | 3.60 | 6.22 | 5.89 | 1.73 |
| 1978 | Chicago White Sox | AL | MLB | CHA | 33 | 20 | 3 | 0 | 4.03 | 4 | 3 | 1 | 0 | 1 | 1 | 0 | 22.1 | 19 | 10 | 10 | 0 | 11 | 11 | 0 | 0 | 0 | 1.34 | 7.66 | 0.00 | 4.43 | 4.43 | 4.03 | 1.00 |
| 1979 | Iowa Oaks | Amer | AAA | CHA | - | 21 | 3 | 1 | 3.00 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 27.0 | 24 | 10 | 9 | 1 | 19 | 12 | 1 | 0 | 1 | 1.59 | 8.00 | 0.33 | 6.33 | 4.00 | 3.33 | 0.63 |
| 1979 | Chicago White Sox | AL | MLB | CHA | 33 | 21 | 11 | 8 | 3.89 | 34 | 18 | 6 | 2 | 16 | 12 | 4 | 155.0 | 165 | 77 | 67 | 10 | 59 | 76 | 1 | 0 | 5 | 1.45 | 9.58 | 0.58 | 3.43 | 4.41 | 4.47 | 1.29 |
| 1980 | Chicago White Sox | AL | MLB | CHA | 33 | 22 | 9 | 16 | 3.70 | 32 | 30 | 7 | 2 | 2 | 1 | 0 | 199.2 | 229 | 102 | 82 | 14 | 49 | 89 | 5 | 2 | 9 | 1.39 | 10.32 | 0.63 | 2.21 | 4.01 | 4.60 | 1.82 |
| 1981 | Chicago White Sox | AL | MLB | CHA | 33 | 23 | 8 | 7 | 3.47 | 20 | 18 | 3 | 0 | 2 | 0 | 0 | 124.2 | 122 | 53 | 48 | 7 | 38 | 54 | 2 | 0 | 4 | 1.28 | 8.81 | 0.51 | 2.74 | 3.90 | 3.83 | 1.42 |
| 1982 | Chicago White Sox | AL | MLB | CHA | 33 | 24 | 6 | 9 | 4.26 | 25 | 19 | 2 | 0 | 6 | 3 | 0 | 120.1 | 130 | 76 | 57 | 9 | 50 | 62 | 3 | 1 | 2 | 1.50 | 9.72 | 0.67 | 3.74 | 4.64 | 5.68 | 1.24 |
| 1983 | Chicago Cubs | NL | MLB | CHN | 34 | 25 | 10 | 14 | 4.65 | 34 | 32 | 1 | 0 | 2 | 0 | 0 | 180.0 | 217 | 105 | 93 | 13 | 59 | 80 | 7 | 2 | 2 | 1.53 | 10.85 | 0.65 | 2.95 | 4.00 | 5.25 | 1.36 |
| 1984 | Chicago Cubs | NL | MLB | CHN | 34 | 26 | 13 | 7 | 3.41 | 32 | 31 | 6 | 2 | 1 | 1 | 0 | 190.0 | 205 | 80 | 72 | 7 | 59 | 81 | 7 | 2 | 2 | 1.39 | 9.71 | 0.33 | 2.79 | 3.84 | 3.79 | 1.37 |
| 1985 | Chicago Cubs | NL | MLB | CHN | 34 | 27 | 9 | 7 | 3.39 | 24 | 24 | 3 | 1 | 0 | 0 | 0 | 140.2 | 142 | 57 | 53 | 8 | 63 | 44 | 2 | 1 | 1 | 1.46 | 9.09 | 0.51 | 4.03 | 2.82 | 3.65 | 0.70 |
| 1986 | Chicago Cubs | NL | MLB | CHN | 34 | 28 | 5 | 7 | 4.75 | 37 | 25 | 0 | 0 | 12 | 3 | 0 | 161.0 | 184 | 88 | 85 | 6 | 78 | 69 | 6 | 1 | 1 | 1.63 | 10.29 | 0.34 | 4.36 | 3.86 | 4.92 | 0.88 |
| 1987 | Peoria Chiefs | Midw | A | CHN | - | 29 | 1 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 8.0 | 6 | 0 | 0 | 0 | 0 | 6 | 1 | 0 | 1 | 0.75 | 6.75 | 0.00 | 0.00 | 6.75 | 0.00 | 0.00 |
| 1987 | Chicago Cubs | NL | MLB | CHN | 34 | 29 | 6 | 3 | 3.00 | 11 | 11 | 3 | 2 | 0 | 0 | 0 | 75.0 | 72 | 27 | 25 | 3 | 27 | 32 | 3 | 0 | 1 | 1.32 | 8.64 | 0.36 | 3.24 | 3.84 | 3.24 | 1.19 |
| 1987 | New York Yankees | AL | MLB | NYA | 35 | 29 | 0 | 4 | 6.60 | 14 | 9 | 0 | 0 | 5 | 2 | 0 | 46.1 | 51 | 36 | 34 | 4 | 37 | 27 | 9 | 0 | 1 | 1.90 | 9.91 | 0.78 | 7.19 | 5.24 | 6.99 | 0.73 |
| 1988 | Calgary Cannons | PCL | AAA | SEA | - | 30 | 0 | 2 | 1.15 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 15.2 | 15 | 5 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 1.09 | 8.62 | 0.00 | 1.15 | 1.15 | 2.87 | 1.00 |
| 1988 | Seattle Mariners | AL | MLB | SEA | 34 | 30 | 4 | 7 | 7.83 | 15 | 13 | 0 | 0 | 2 | 1 | 0 | 56.1 | 86 | 53 | 49 | 6 | 31 | 14 | 5 | 7 | 5 | 2.08 | 13.74 | 0.96 | 4.95 | 2.24 | 8.47 | 0.45 |
| 1989 | Seattle Mariners | AL | MLB | SEA | 34 | 31 | 4 | 3 | 6.60 | 19 | 3 | 0 | 0 | 16 | 1 | 0 | 30.0 | 43 | 27 | 22 | 3 | 17 | 17 | 0 | 0 | 0 | 2.00 | 12.90 | 0.90 | 5.10 | 5.10 | 8.10 | 1.00 |
| 1990 | Louisville Redbirds | Amer | AAA | SLN | 45 | 32 | 1 | 1 | 5.68 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 19.0 | 24 | 12 | 12 | 3 | 9 | 12 | 0 | 0 | 1 | 1.74 | 11.37 | 1.42 | 4.26 | 5.68 | 5.68 | 1.33 |
| Tot: | MLB (12 yrs) | MLB | 88 | 92 | 4.18 | 301 | 236 | 32 | 9 | 25 | 65 | 4 | 1501.1 | 1665 | 791 | 697 | 90 | 578 | 656 | 50 | 16 | 33 | 1.49 | 9.98 | 0.54 | 3.46 | 3.93 | 4.74 | 1.13 | ||||
| Tot: | AL (8 yrs) | AL | 45 | 54 | 4.40 | 163 | 113 | 19 | 4 | 21 | 50 | 4 | 754.2 | 845 | 434 | 369 | 53 | 292 | 350 | 25 | 10 | 26 | 1.51 | 10.08 | 0.63 | 3.48 | 4.17 | 5.18 | 1.20 | ||||
| Tot: | NL (5 yrs) | NL | 43 | 38 | 3.95 | 138 | 123 | 13 | 5 | 4 | 15 | 0 | 746.2 | 820 | 357 | 328 | 37 | 286 | 306 | 25 | 6 | 7 | 1.48 | 9.88 | 0.45 | 3.45 | 3.69 | 4.30 | 1.07 | ||||
| Tot: | Minors (6 yrs) | Minors | 22 | 23 | 3.62 | 59 | 56 | 7 | 2 | 0 | 3 | 0 | 330.2 | 312 | 161 | 133 | 16 | 162 | 233 | 17 | 1 | 7 | 1.43 | 8.49 | 0.44 | 4.41 | 6.34 | 4.38 | 1.44 | ||||
| Tot: | A (2 yrs) | A | 7 | 8 | 3.78 | 22 | 19 | 3 | 1 | 0 | 3 | 0 | 119.0 | 119 | 66 | 50 | 4 | 66 | 107 | 7 | 1 | 1 | 1.55 | 9.00 | 0.30 | 4.99 | 8.09 | 4.99 | 1.62 | ||||
| Tot: | AA (1 yrs) | AA | 8 | 3 | 1.65 | 12 | 12 | 2 | 1 | 0 | 0 | 0 | 71.0 | 46 | 16 | 13 | 3 | 33 | 48 | 5 | 0 | 2 | 1.11 | 5.83 | 0.38 | 4.18 | 6.08 | 2.03 | 1.45 | ||||
| Tot: | AAA (5 yrs) | AAA | 7 | 12 | 4.48 | 25 | 25 | 2 | 0 | 0 | 0 | 0 | 140.2 | 147 | 79 | 70 | 9 | 63 | 78 | 5 | 0 | 4 | 1.49 | 9.41 | 0.58 | 4.03 | 4.99 | 5.05 | 1.24 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | 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 |
| 1984 | Chicago Cubs | Championship Series | Playoffs | 26 | 1 | 0 | 2.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 5 | 0 | 2 | 0 | 3 | 3 | 0 | 0 | 0 | 0.89 | 5.00 | 0.00 | 3.00 | 3.00 | 0.00 | 1.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 1 | 0 | 2.00 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 9.0 | 5 | 0 | 2 | 0 | 3 | 3 | 0 | 0 | 0 | 0.89 | 5.00 | 0.00 | 3.00 | 3.00 | 0.00 | 1.00 |
| 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 |
| 1977 | Iowa Oaks | Amer | AAA | CHA | - | 19 | P | 5 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 2 | .286 | .286 | .286 | .572 | .000 | .000 | .667 | 0.00 | 57.14 | 0.00 | 0.00 | |
| 1983 | Chicago Cubs | NL | MLB | CHN | 34 | 25 | P | 34 | 62 | 6 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 20 | 0 | 8 | 0 | 0 | 0 | 12 | 72 | 0 | 12 | .194 | .219 | .194 | .413 | .032 | .000 | .286 | 2.78 | 27.78 | 10.00 | 0.00 | |
| 1984 | Chicago Cubs | NL | MLB | CHN | 34 | 26 | P | 32 | 61 | 4 | 8 | 0 | 0 | 0 | 3 | 0 | 0 | 4 | 21 | 0 | 5 | 1 | 0 | 1 | 8 | 71 | 0 | 8 | .131 | .182 | .131 | .313 | .066 | .000 | .195 | 5.63 | 29.58 | 5.25 | 0.00 | |
| 1985 | Chicago Cubs | NL | MLB | CHN | 34 | 27 | P | 24 | 46 | 2 | 5 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 13 | 0 | 9 | 0 | 0 | 0 | 6 | 57 | 1 | 4 | .109 | .146 | .130 | .276 | .065 | .021 | .152 | 3.51 | 22.81 | 6.50 | 0.00 | |
| 1986 | Chicago Cubs | NL | MLB | CHN | 34 | 28 | P | 37 | 43 | 5 | 9 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 15 | 0 | 4 | 0 | 0 | 1 | 10 | 48 | 1 | 8 | .209 | .227 | .233 | .460 | .047 | .024 | .321 | 2.08 | 31.25 | 15.00 | 0.00 | |
| 1987 | Peoria Chiefs | Midw | A | CHN | - | 29 | P | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1987 | Chicago Cubs | NL | MLB | CHN | 34 | 29 | P | 11 | 26 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 3 | 0 | 0 | 1 | 4 | 29 | 0 | 4 | .154 | .154 | .154 | .308 | .000 | .000 | .235 | 0.00 | 31.03 | 0.00 | 0.00 | |
| 1990 | Louisville Redbirds | Amer | AAA | SLN | 45 | 32 | P | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .500 | .667 | .500 | 1.167 | .500 | .000 | .500 | 33.33 | 0.00 | 0.00 | 0.00 | |
| Tot: | MLB (5 yrs) | MLB | 138 | 238 | 18 | 38 | 2 | 0 | 0 | 9 | 0 | 0 | 9 | 78 | 0 | 29 | 1 | 0 | 3 | 40 | 277 | 2 | 36 | .160 | .190 | .168 | .358 | .046 | .008 | .236 | 3.25 | 28.16 | 8.67 | |||||||
| Tot: | NL (5 yrs) | NL | 138 | 238 | 18 | 38 | 2 | 0 | 0 | 9 | 0 | 0 | 9 | 78 | 0 | 29 | 1 | 0 | 3 | 40 | 277 | 2 | 36 | .160 | .190 | .168 | .358 | .046 | .008 | .236 | 3.25 | 28.16 | 8.67 | |||||||
| Tot: | Minors (3 yrs) | Minors | 31 | 13 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 14 | 0 | 3 | .231 | .286 | .231 | .516 | .077 | .000 | .333 | 7.14 | 28.57 | 4.00 | |||||||
| Tot: | A (2 yrs) | A | 22 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | ||||||||
| Tot: | AAA (2 yrs) | AAA | 9 | 9 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 10 | 0 | 3 | .333 | .400 | .333 | .733 | .111 | .000 | .600 | 10.00 | 40.00 | 4.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | 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 | Chicago Cubs | Championship Series | Playoffs | 26 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 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 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 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 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 30 | 43 | 38 | 29 | 38 | 57 | .486 |