| 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 | Paintsville Yankees | App | Rk | NYA | - | 20 | 9 | 0 | 1.68 | 13 | 13 | 9 | 3 | 0 | 0 | 0 | 91.0 | 51 | 19 | 17 | 1 | 39 | 118 | 1 | 0 | 1 | 0.99 | 5.04 | 0.10 | 3.86 | 11.67 | 1.88 | 3.03 |
| 1979 | Oneonta Yankees | NYPL | A- | NYA | - | 20 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0.2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 13.50 | 0.00 | 0.00 |
| 1980 | Greensboro Hornets | SAL | A | NYA | - | 21 | 3 | 0 | 1.67 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 27.0 | 13 | 5 | 5 | 0 | 14 | 34 | 0 | 0 | 3 | 1.00 | 4.33 | 0.00 | 4.67 | 11.33 | 1.67 | 2.43 |
| 1980 | Fort Lauderdale Yankees | FSL | A+ | NYA | - | 21 | 10 | 9 | 3.00 | 23 | 20 | 7 | 3 | 3 | 0 | 0 | 144.0 | 105 | 56 | 48 | 5 | 69 | 86 | 2 | 0 | 3 | 1.21 | 6.56 | 0.31 | 4.31 | 5.38 | 3.50 | 1.25 |
| 1981 | Fort Lauderdale Yankees | FSL | A+ | NYA | - | 22 | 7 | 1 | 1.99 | 11 | 10 | 4 | 1 | 1 | 1 | 1 | 68.0 | 56 | 20 | 15 | 0 | 20 | 68 | 2 | 2 | 0 | 1.12 | 7.41 | 0.00 | 2.65 | 9.00 | 2.65 | 3.40 |
| 1981 | Nashville Sounds | Sou | AA | NYA | - | 22 | 10 | 2 | 1.82 | 14 | 13 | 7 | 3 | 1 | 1 | 1 | 99.0 | 73 | 30 | 20 | 3 | 28 | 77 | 3 | 0 | 3 | 1.02 | 6.64 | 0.27 | 2.55 | 7.00 | 2.73 | 2.75 |
| 1982 | Columbus Clippers | IL | AAA | NYA | - | 23 | 8 | 10 | 4.60 | 23 | 23 | 11 | 1 | 0 | 0 | 0 | 150.2 | 168 | 87 | 77 | 16 | 53 | 84 | 5 | 0 | 2 | 1.47 | 10.04 | 0.96 | 3.17 | 5.02 | 5.20 | 1.58 |
| 1982 | Minnesota Twins | AL | MLB | MIN | 23 | 23 | 0 | 2 | 8.76 | 5 | 3 | 0 | 0 | 2 | 1 | 0 | 12.1 | 17 | 12 | 12 | 2 | 8 | 10 | 0 | 2 | 0 | 2.03 | 12.41 | 1.46 | 5.84 | 7.30 | 8.76 | 1.25 |
| 1983 | Toledo Mud Hens | IL | AAA | MIN | - | 24 | 0 | 1 | 7.71 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 7.0 | 8 | 6 | 6 | 2 | 3 | 6 | 1 | 0 | 0 | 1.57 | 10.29 | 2.57 | 3.86 | 7.71 | 7.71 | 2.00 |
| 1983 | Minnesota Twins | AL | MLB | MIN | 23 | 24 | 4 | 1 | 3.40 | 26 | 8 | 0 | 0 | 18 | 10 | 1 | 90.0 | 87 | 34 | 34 | 9 | 29 | 49 | 1 | 2 | 1 | 1.29 | 8.70 | 0.90 | 2.90 | 4.90 | 3.40 | 1.69 |
| 1984 | Minnesota Twins | AL | MLB | MIN | 23 | 25 | 6 | 5 | 4.10 | 55 | 7 | 0 | 0 | 48 | 13 | 1 | 118.2 | 106 | 56 | 54 | 14 | 54 | 59 | 2 | 1 | 3 | 1.35 | 8.04 | 1.06 | 4.10 | 4.47 | 4.25 | 1.09 |
| 1985 | Minnesota Twins | AL | MLB | MIN | 23 | 26 | 4 | 5 | 3.67 | 40 | 6 | 1 | 0 | 34 | 12 | 2 | 95.2 | 93 | 42 | 39 | 13 | 30 | 42 | 1 | 1 | 0 | 1.29 | 8.75 | 1.22 | 2.82 | 3.95 | 3.95 | 1.40 |
| 1986 | Buffalo Bisons | Amer | AAA | CHA | - | 27 | 14 | 3 | 2.27 | 36 | 12 | 4 | 1 | 24 | 22 | 6 | 139.0 | 116 | 46 | 35 | 12 | 32 | 81 | 2 | 0 | 5 | 1.06 | 7.51 | 0.78 | 2.07 | 5.24 | 2.98 | 2.53 |
| 1986 | Minnesota Twins | AL | MLB | MIN | 23 | 27 | 0 | 0 | 5.68 | 4 | 0 | 0 | 0 | 4 | 2 | 0 | 6.1 | 13 | 4 | 4 | 1 | 2 | 4 | 0 | 0 | 1 | 2.37 | 18.47 | 1.42 | 2.84 | 5.68 | 5.68 | 2.00 |
| 1986 | Chicago White Sox | AL | MLB | CHA | 51 | 27 | 0 | 1 | 6.17 | 3 | 1 | 0 | 0 | 2 | 2 | 0 | 11.2 | 14 | 9 | 8 | 4 | 5 | 4 | 1 | 0 | 0 | 1.63 | 10.80 | 3.09 | 3.86 | 3.09 | 6.94 | 0.80 |
| 1987 | Columbus Clippers | IL | AAA | NYA | - | 28 | 12 | 4 | 3.73 | 22 | 22 | 4 | 1 | 0 | 0 | 0 | 135.0 | 153 | 62 | 56 | 9 | 43 | 73 | 1 | 0 | 5 | 1.45 | 10.20 | 0.60 | 2.87 | 4.87 | 4.13 | 1.70 |
| 1987 | New York Yankees | AL | MLB | NYA | 47 | 28 | 1 | 0 | 3.27 | 7 | 2 | 0 | 0 | 5 | 3 | 0 | 22.0 | 26 | 10 | 8 | 2 | 9 | 10 | 0 | 0 | 1 | 1.59 | 10.64 | 0.82 | 3.68 | 4.09 | 4.09 | 1.11 |
| 1988 | Gulf Coast Yankees | GCL | Rk | NYA | - | 29 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 9.00 | 0.00 | 0.00 |
| 1989 | Baseball City Royals | FSL | A+ | KCA | - | 30 | 4 | 0 | 3.33 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 46.0 | 47 | 20 | 17 | 2 | 12 | 20 | 3 | 0 | 0 | 1.28 | 9.20 | 0.39 | 2.35 | 3.91 | 3.91 | 1.67 |
| 1989 | Memphis Chicks | Sou | AA | KCA | - | 30 | 6 | 2 | 4.14 | 10 | 9 | 0 | 0 | 1 | 0 | 0 | 58.2 | 67 | 34 | 27 | 10 | 18 | 31 | 3 | 0 | 2 | 1.45 | 10.28 | 1.53 | 2.76 | 4.76 | 5.22 | 1.72 |
| 1990 | Omaha Royals | Amer | AAA | KCA | - | 31 | 12 | 2 | 2.78 | 17 | 17 | 1 | 0 | 0 | 0 | 0 | 107.0 | 107 | 41 | 33 | 7 | 31 | 66 | 3 | 0 | 2 | 1.29 | 9.00 | 0.59 | 2.61 | 5.55 | 3.45 | 2.13 |
| 1990 | Kansas City Royals | AL | MLB | KCA | 35 | 31 | 0 | 4 | 5.91 | 8 | 7 | 0 | 0 | 1 | 0 | 0 | 35.0 | 42 | 31 | 23 | 6 | 13 | 9 | 0 | 1 | 2 | 1.57 | 10.80 | 1.54 | 3.34 | 2.31 | 7.97 | 0.69 |
| Tot: | MLB (7 yrs) | MLB | 15 | 18 | 4.18 | 148 | 34 | 1 | 0 | 43 | 114 | 4 | 391.2 | 398 | 198 | 182 | 51 | 150 | 187 | 5 | 7 | 8 | 1.40 | 9.15 | 1.17 | 3.45 | 4.30 | 4.55 | 1.25 | ||||
| Tot: | AL (7 yrs) | AL | 15 | 18 | 4.18 | 148 | 34 | 1 | 0 | 43 | 114 | 4 | 391.2 | 398 | 198 | 182 | 51 | 150 | 187 | 5 | 7 | 8 | 1.40 | 9.15 | 1.17 | 3.45 | 4.30 | 4.55 | 1.25 | ||||
| Tot: | Minors (10 yrs) | Minors | 95 | 34 | 2.98 | 185 | 152 | 48 | 14 | 24 | 33 | 9 | 1074.0 | 964 | 426 | 356 | 67 | 362 | 746 | 26 | 2 | 26 | 1.23 | 8.08 | 0.56 | 3.03 | 6.25 | 3.57 | 2.06 | ||||
| Tot: | Rk (2 yrs) | Rk | 9 | 0 | 1.66 | 14 | 13 | 9 | 3 | 0 | 1 | 0 | 92.0 | 51 | 19 | 17 | 1 | 39 | 119 | 1 | 0 | 1 | 0.98 | 4.99 | 0.10 | 3.82 | 11.64 | 1.86 | 3.05 | ||||
| Tot: | A- (1 yrs) | A- | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0.2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 13.50 | 0.00 | |||||
| Tot: | A (1 yrs) | A | 3 | 0 | 1.67 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 27.0 | 13 | 5 | 5 | 0 | 14 | 34 | 0 | 0 | 3 | 1.00 | 4.33 | 0.00 | 4.67 | 11.33 | 1.67 | 2.43 | ||||
| Tot: | A+ (3 yrs) | A+ | 21 | 10 | 2.79 | 42 | 38 | 11 | 4 | 1 | 4 | 1 | 258.0 | 208 | 96 | 80 | 7 | 101 | 174 | 7 | 2 | 3 | 1.20 | 7.26 | 0.24 | 3.52 | 6.07 | 3.35 | 1.72 | ||||
| Tot: | AA (2 yrs) | AA | 16 | 4 | 2.68 | 24 | 22 | 7 | 3 | 1 | 2 | 1 | 157.2 | 140 | 64 | 47 | 13 | 46 | 108 | 6 | 0 | 5 | 1.18 | 7.99 | 0.74 | 2.63 | 6.16 | 3.65 | 2.35 | ||||
| Tot: | AAA (5 yrs) | AAA | 46 | 20 | 3.46 | 100 | 75 | 20 | 3 | 22 | 25 | 6 | 538.2 | 552 | 242 | 207 | 46 | 162 | 310 | 12 | 0 | 14 | 1.33 | 9.22 | 0.77 | 2.71 | 5.18 | 4.04 | 1.91 | ||||
| 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 | Fort Lauderdale Yankees | FSL | A+ | NYA | - | 21 | P | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | Minors (1 yrs) | Minors | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 0.00 | |||||||||||||||
| Tot: | A+ (1 yrs) | A+ | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0.00 | 0.00 | |||||||||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 34 | 66 | 50 | 51 | 50 | 54 | .509 |