| 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 | Lakeland Tigers | FSL | A+ | DET | - | 23 | 8 | 9 | 3.50 | 28 | 28 | 6 | 1 | 0 | 0 | 1 | 149.0 | 146 | 72 | 58 | 5 | 67 | 70 | 8 | 0 | 4 | 1.43 | 8.82 | 0.30 | 4.05 | 4.23 | 4.35 | 1.04 |
| 1980 | Montgomery Rebels | Sou | AA | DET | - | 24 | 13 | 4 | 2.96 | 21 | 21 | 12 | 3 | 0 | 0 | 0 | 161.0 | 143 | 63 | 53 | 13 | 51 | 79 | 10 | 0 | 4 | 1.20 | 7.99 | 0.73 | 2.85 | 4.42 | 3.52 | 1.55 |
| 1980 | Evansville Triplets | Amer | AAA | DET | - | 24 | 2 | 2 | 4.97 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | 38.0 | 44 | 24 | 21 | 2 | 12 | 13 | 2 | 0 | 0 | 1.47 | 10.42 | 0.47 | 2.84 | 3.08 | 5.68 | 1.08 |
| 1981 | Evansville Triplets | Amer | AAA | DET | - | 25 | 9 | 10 | 2.89 | 25 | 25 | 7 | 4 | 0 | 0 | 0 | 165.0 | 154 | 66 | 53 | 18 | 49 | 64 | 7 | 0 | 0 | 1.23 | 8.40 | 0.98 | 2.67 | 3.49 | 3.60 | 1.31 |
| 1982 | Evansville Triplets | Amer | AAA | DET | - | 26 | 1 | 1 | 3.80 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 21.1 | 21 | 13 | 9 | 3 | 9 | 9 | 0 | 0 | 0 | 1.41 | 8.86 | 1.27 | 3.80 | 3.80 | 5.48 | 1.00 |
| 1982 | Detroit Tigers | AL | MLB | DET | 22 | 26 | 4 | 4 | 4.01 | 28 | 13 | 1 | 0 | 15 | 6 | 0 | 94.1 | 110 | 46 | 42 | 17 | 25 | 19 | 4 | 1 | 1 | 1.43 | 10.49 | 1.62 | 2.39 | 1.81 | 4.39 | 0.76 |
| 1983 | Evansville Triplets | Amer | AAA | DET | - | 27 | 4 | 1 | 2.84 | 23 | 3 | 1 | 0 | 20 | 17 | 5 | 50.2 | 42 | 19 | 16 | 3 | 16 | 36 | 0 | 0 | 3 | 1.14 | 7.46 | 0.53 | 2.84 | 6.39 | 3.37 | 2.25 |
| 1983 | Detroit Tigers | AL | MLB | DET | 22 | 27 | 1 | 3 | 5.26 | 12 | 6 | 0 | 0 | 6 | 4 | 0 | 37.2 | 48 | 27 | 22 | 5 | 18 | 17 | 0 | 0 | 3 | 1.75 | 11.47 | 1.19 | 4.30 | 4.06 | 6.45 | 0.94 |
| 1984 | Toledo Mud Hens | IL | AAA | MIN | - | 28 | 4 | 4 | 4.21 | 12 | 9 | 2 | 0 | 3 | 1 | 0 | 68.1 | 78 | 37 | 32 | 8 | 29 | 47 | 2 | 0 | 0 | 1.57 | 10.27 | 1.05 | 3.82 | 6.19 | 4.87 | 1.62 |
| 1984 | Minnesota Twins | AL | MLB | MIN | 19 | 28 | 2 | 1 | 3.52 | 13 | 1 | 0 | 0 | 12 | 4 | 0 | 38.1 | 38 | 19 | 15 | 3 | 11 | 10 | 0 | 1 | 2 | 1.28 | 8.92 | 0.70 | 2.58 | 2.35 | 4.46 | 0.91 |
| Tot: | MLB (3 yrs) | MLB | 7 | 8 | 4.17 | 53 | 20 | 1 | 0 | 14 | 33 | 0 | 170.1 | 196 | 92 | 79 | 25 | 54 | 46 | 4 | 2 | 6 | 1.47 | 10.36 | 1.32 | 2.85 | 2.43 | 4.86 | 0.85 | ||||
| Tot: | AL (3 yrs) | AL | 7 | 8 | 4.17 | 53 | 20 | 1 | 0 | 14 | 33 | 0 | 170.1 | 196 | 92 | 79 | 25 | 54 | 46 | 4 | 2 | 6 | 1.47 | 10.36 | 1.32 | 2.85 | 2.43 | 4.86 | 0.85 | ||||
| Tot: | Minors (6 yrs) | Minors | 41 | 31 | 3.33 | 118 | 95 | 29 | 8 | 18 | 23 | 6 | 653.1 | 628 | 294 | 242 | 52 | 233 | 318 | 29 | 0 | 11 | 1.32 | 8.65 | 0.72 | 3.21 | 4.38 | 4.05 | 1.36 | ||||
| Tot: | A+ (1 yrs) | A+ | 8 | 9 | 3.50 | 28 | 28 | 6 | 1 | 0 | 0 | 1 | 149.0 | 146 | 72 | 58 | 5 | 67 | 70 | 8 | 0 | 4 | 1.43 | 8.82 | 0.30 | 4.05 | 4.23 | 4.35 | 1.04 | ||||
| Tot: | AA (1 yrs) | AA | 13 | 4 | 2.96 | 21 | 21 | 12 | 3 | 0 | 0 | 0 | 161.0 | 143 | 63 | 53 | 13 | 51 | 79 | 10 | 0 | 4 | 1.20 | 7.99 | 0.73 | 2.85 | 4.42 | 3.52 | 1.55 | ||||
| Tot: | AAA (5 yrs) | AAA | 20 | 18 | 3.43 | 69 | 46 | 11 | 4 | 18 | 23 | 5 | 343.1 | 339 | 159 | 131 | 34 | 115 | 169 | 11 | 0 | 3 | 1.32 | 8.89 | 0.89 | 3.01 | 4.43 | 4.17 | 1.47 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 19 | 68 | 46 | 36 | 46 | 54 | .501 |