| 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 | Idaho Falls Angels | Pio | Rk | CAL | - | 18 | 4 | 5 | 5.73 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 66.0 | 65 | 61 | 42 | 2 | 63 | 83 | 9 | 0 | 0 | 1.94 | 8.86 | 0.27 | 8.59 | 11.32 | 8.32 | 1.32 |
| 1978 | Knoxville Sox | Sou | AA | CHA | - | 19 | 11 | 10 | 4.28 | 26 | 25 | 2 | 0 | 1 | 0 | 0 | 145.0 | 128 | 85 | 69 | 10 | 105 | 152 | 11 | 0 | 9 | 1.61 | 7.94 | 0.62 | 6.52 | 9.43 | 5.28 | 1.45 |
| 1979 | Knoxville Sox | Sou | AA | CHA | - | 20 | 9 | 9 | 3.70 | 25 | 25 | 10 | 1 | 0 | 0 | 0 | 163.0 | 133 | 81 | 67 | 14 | 88 | 133 | 5 | 0 | 3 | 1.36 | 7.34 | 0.77 | 4.86 | 7.34 | 4.47 | 1.51 |
| 1979 | Chicago White Sox | AL | MLB | CHA | 49 | 20 | 2 | 0 | 3.70 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 24.1 | 28 | 13 | 10 | 0 | 6 | 13 | 0 | 0 | 0 | 1.40 | 10.36 | 0.00 | 2.22 | 4.81 | 4.81 | 2.17 |
| 1980 | Chicago White Sox | AL | MLB | CHA | 49 | 21 | 12 | 10 | 4.27 | 33 | 32 | 8 | 0 | 1 | 1 | 0 | 198.0 | 185 | 105 | 94 | 20 | 87 | 109 | 6 | 2 | 6 | 1.37 | 8.41 | 0.91 | 3.95 | 4.95 | 4.77 | 1.25 |
| 1981 | Chicago White Sox | AL | MLB | CHA | 49 | 22 | 9 | 8 | 3.77 | 24 | 24 | 5 | 4 | 0 | 0 | 0 | 141.0 | 145 | 67 | 59 | 13 | 49 | 73 | 3 | 2 | 4 | 1.38 | 9.26 | 0.83 | 3.13 | 4.66 | 4.28 | 1.49 |
| 1982 | Chicago White Sox | AL | MLB | CHA | 49 | 23 | 11 | 15 | 3.84 | 34 | 31 | 3 | 1 | 3 | 3 | 0 | 196.2 | 219 | 97 | 84 | 19 | 73 | 109 | 2 | 1 | 5 | 1.48 | 10.02 | 0.87 | 3.34 | 4.99 | 4.44 | 1.49 |
| 1983 | Chicago White Sox | AL | MLB | CHA | 34 | 24 | 22 | 7 | 3.23 | 35 | 35 | 8 | 1 | 0 | 0 | 0 | 240.0 | 209 | 92 | 86 | 19 | 106 | 137 | 7 | 0 | 8 | 1.31 | 7.84 | 0.71 | 3.98 | 5.14 | 3.45 | 1.29 |
| 1984 | Chicago White Sox | AL | MLB | CHA | 34 | 25 | 14 | 15 | 3.59 | 32 | 32 | 14 | 1 | 0 | 0 | 0 | 245.2 | 216 | 110 | 98 | 24 | 103 | 120 | 4 | 1 | 7 | 1.30 | 7.91 | 0.88 | 3.77 | 4.40 | 4.03 | 1.17 |
| 1985 | Chicago White Sox | AL | MLB | CHA | 34 | 26 | 3 | 4 | 4.47 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 52.1 | 53 | 30 | 26 | 5 | 17 | 33 | 0 | 0 | 3 | 1.34 | 9.11 | 0.86 | 2.92 | 5.68 | 5.16 | 1.94 |
| 1986 | Hagerstown Suns | Caro | A+ | BAL | - | 27 | 0 | 0 | 3.38 | 6 | 0 | 0 | 0 | 6 | 3 | 2 | 13.1 | 14 | 7 | 5 | 3 | 4 | 8 | 1 | 0 | 0 | 1.35 | 9.45 | 2.03 | 2.70 | 5.40 | 4.73 | 2.00 |
| 1986 | Chicago White Sox | AL | MLB | CHA | 34 | 27 | 10 | 17 | 5.48 | 34 | 34 | 3 | 1 | 0 | 0 | 0 | 197.0 | 226 | 125 | 120 | 24 | 69 | 110 | 10 | 0 | 2 | 1.50 | 10.32 | 1.10 | 3.15 | 5.03 | 5.71 | 1.59 |
| 1987 | Chicago White Sox | AL | MLB | CHA | 34 | 28 | 11 | 12 | 4.17 | 31 | 31 | 7 | 2 | 0 | 0 | 0 | 211.1 | 201 | 109 | 98 | 24 | 86 | 114 | 5 | 0 | 0 | 1.36 | 8.56 | 1.02 | 3.66 | 4.85 | 4.64 | 1.33 |
| 1988 | New York Yankees | AL | MLB | NYA | 36 | 29 | 12 | 9 | 5.00 | 32 | 29 | 4 | 0 | 3 | 0 | 0 | 171.0 | 178 | 103 | 95 | 27 | 72 | 77 | 3 | 3 | 4 | 1.46 | 9.37 | 1.42 | 3.79 | 4.05 | 5.42 | 1.07 |
| 1989 | New York Yankees | AL | MLB | NYA | 36 | 30 | 2 | 5 | 5.57 | 11 | 9 | 1 | 0 | 2 | 2 | 0 | 51.2 | 69 | 33 | 32 | 8 | 17 | 14 | 0 | 3 | 1 | 1.66 | 12.02 | 1.39 | 2.96 | 2.44 | 5.75 | 0.82 |
| 1989 | Chicago White Sox | AL | MLB | CHA | 34 | 30 | 3 | 7 | 3.88 | 17 | 17 | 1 | 0 | 0 | 0 | 0 | 99.2 | 112 | 51 | 43 | 8 | 41 | 55 | 2 | 0 | 0 | 1.54 | 10.11 | 0.72 | 3.70 | 4.97 | 4.61 | 1.34 |
| 1990 | Kansas City Royals | AL | MLB | KCA | 37 | 31 | 0 | 4 | 8.48 | 8 | 7 | 0 | 0 | 1 | 1 | 0 | 28.2 | 43 | 29 | 27 | 3 | 14 | 9 | 4 | 0 | 0 | 1.99 | 13.50 | 0.94 | 4.40 | 2.83 | 9.10 | 0.64 |
| Tot: | MLB (12 yrs) | MLB | 111 | 113 | 4.23 | 305 | 295 | 55 | 11 | 7 | 10 | 0 | 1857.1 | 1884 | 964 | 872 | 194 | 740 | 973 | 46 | 12 | 40 | 1.41 | 9.13 | 0.94 | 3.59 | 4.71 | 4.67 | 1.31 | ||||
| Tot: | AL (12 yrs) | AL | 111 | 113 | 4.23 | 305 | 295 | 55 | 11 | 7 | 10 | 0 | 1857.1 | 1884 | 964 | 872 | 194 | 740 | 973 | 46 | 12 | 40 | 1.41 | 9.13 | 0.94 | 3.59 | 4.71 | 4.67 | 1.31 | ||||
| Tot: | Minors (4 yrs) | Minors | 24 | 24 | 4.25 | 70 | 63 | 12 | 1 | 3 | 7 | 2 | 387.1 | 340 | 234 | 183 | 29 | 260 | 376 | 26 | 0 | 12 | 1.55 | 7.90 | 0.67 | 6.04 | 8.74 | 5.44 | 1.45 | ||||
| Tot: | Rk (1 yrs) | Rk | 4 | 5 | 5.73 | 13 | 13 | 0 | 0 | 0 | 0 | 0 | 66.0 | 65 | 61 | 42 | 2 | 63 | 83 | 9 | 0 | 0 | 1.94 | 8.86 | 0.27 | 8.59 | 11.32 | 8.32 | 1.32 | ||||
| Tot: | A+ (1 yrs) | A+ | 0 | 0 | 3.38 | 6 | 0 | 0 | 0 | 3 | 6 | 2 | 13.1 | 14 | 7 | 5 | 3 | 4 | 8 | 1 | 0 | 0 | 1.35 | 9.45 | 2.03 | 2.70 | 5.40 | 4.73 | 2.00 | ||||
| Tot: | AA (2 yrs) | AA | 20 | 19 | 3.97 | 51 | 50 | 12 | 1 | 0 | 1 | 0 | 308.0 | 261 | 166 | 136 | 24 | 193 | 285 | 16 | 0 | 12 | 1.47 | 7.63 | 0.70 | 5.64 | 8.33 | 4.85 | 1.48 | ||||
| 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 |
| 1983 | Chicago White Sox | Championship Series | Playoffs | 24 | 0 | 1 | 10.80 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 6 | 0 | 6 | 0 | 3 | 3 | 0 | 0 | 0 | 1.80 | 10.80 | 0.00 | 5.40 | 5.40 | 0.00 | 1.00 |
| 1984 | American League | Major League Baseball | AllStar | 25 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2.0 | 2 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1.50 | 9.00 | 0.00 | 4.50 | 9.00 | 0.00 | 2.00 |
| Tot: | AllStar (1 Yrs) | AllStar | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2.0 | 2 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 1.50 | 9.00 | 0.00 | 4.50 | 9.00 | 0.00 | 2.00 | ||
| Tot: | Playoffs (1 Yrs) | Playoffs | 0 | 1 | 10.80 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 5.0 | 6 | 0 | 6 | 0 | 3 | 3 | 0 | 0 | 0 | 1.80 | 10.80 | 0.00 | 5.40 | 5.40 | 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 |
| Tot: | MLB (1 yrs) | MLB | 33 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | AL (1 yrs) | AL | 33 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | Minors (1 yrs) | Minors | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | Rk (1 yrs) | Rk | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| 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 | American League | Major League Baseball | AllStar | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | AllStar (1 Yrs) | AllStar | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 49 | 40 | 47 | 43 | 47 | 74 | .502 |