| 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 | Northern Colorado | IndyNCAA | NCAA-1 | 19 | 4 | 2 | 2.94 | 8 | 7 | 3 | 1 | 1 | 0 | 0 | 49.0 | 42 | 24 | 16 | 0 | 37 | 36 | 0 | 0 | 0 | 1.61 | 7.71 | 0.00 | 6.80 | 6.61 | 4.41 | 0.97 | ||
| 1980 | Northern Colorado | IndyNCAA | NCAA-1 | 20 | 5 | 4 | 4.91 | 13 | 9 | 5 | 0 | 4 | 0 | 0 | 69.2 | 81 | 54 | 38 | 0 | 39 | 52 | 0 | 0 | 0 | 1.72 | 10.46 | 0.00 | 5.04 | 6.72 | 6.98 | 1.33 | ||
| 1981 | Northern Colorado | IndyNCAA | NCAA-1 | 21 | 6 | 0 | 0.00 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 70.2 | 0 | 0 | 0 | 0 | 0 | 44 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 5.60 | 0.00 | 0.00 | ||
| 1982 | Northern Colorado | IndyNCAA | NCAA-1 | 22 | 9 | 2 | 2.76 | 11 | 11 | 10 | 2 | 0 | 0 | 0 | 75.0 | 81 | 37 | 23 | 0 | 29 | 72 | 0 | 0 | 0 | 1.47 | 9.72 | 0.00 | 3.48 | 8.64 | 4.44 | 2.48 | ||
| 1982 | Gulf Coast White Sox | GCL | Rk | CHA | - | 22 | 0 | 0 | 1.23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.1 | 1 | 2 | 1 | 0 | 4 | 6 | 1 | 0 | 0 | 0.68 | 1.23 | 0.00 | 4.91 | 7.36 | 2.45 | 1.50 |
| 1982 | Niagara Falls Sox | NYPL | A- | CHA | - | 22 | 5 | 4 | 2.39 | 12 | 12 | 3 | 1 | 0 | 0 | 0 | 79.0 | 54 | 33 | 21 | 5 | 25 | 100 | 5 | 0 | 3 | 1.00 | 6.15 | 0.57 | 2.85 | 11.39 | 3.76 | 4.00 |
| 1983 | Appleton Foxes | Midw | A | CHA | 19 | 23 | 15 | 8 | 2.40 | 29 | 29 | 11 | 1 | 0 | 0 | 0 | 198.2 | 146 | 75 | 53 | 7 | 63 | 148 | 14 | 0 | 6 | 1.05 | 6.61 | 0.32 | 2.85 | 6.70 | 3.40 | 2.35 |
| 1984 | Glens Falls White Sox | East | AA | CHA | - | 24 | 13 | 3 | 2.37 | 20 | 19 | 5 | 1 | 1 | 0 | 0 | 121.2 | 107 | 47 | 32 | 7 | 25 | 69 | 4 | 0 | 1 | 1.08 | 7.92 | 0.52 | 1.85 | 5.10 | 3.48 | 2.76 |
| 1984 | Denver Zephyrs | Amer | AAA | CHA | - | 24 | 2 | 5 | 7.80 | 8 | 6 | 1 | 1 | 2 | 1 | 0 | 30.0 | 38 | 27 | 26 | 6 | 20 | 9 | 1 | 0 | 1 | 1.93 | 11.40 | 1.80 | 6.00 | 2.70 | 8.10 | 0.45 |
| 1985 | Boston Red Sox | AL | MLB | BOS | 45 | 25 | 4 | 4 | 4.82 | 27 | 7 | 1 | 0 | 20 | 7 | 1 | 84.0 | 112 | 55 | 45 | 7 | 23 | 19 | 1 | 0 | 3 | 1.61 | 12.00 | 0.75 | 2.46 | 2.04 | 5.89 | 0.83 |
| 1986 | Pawtucket Red Sox | IL | AAA | BOS | - | 26 | 8 | 9 | 2.66 | 42 | 0 | 0 | 0 | 42 | 36 | 12 | 84.2 | 76 | 29 | 25 | 5 | 27 | 45 | 2 | 0 | 0 | 1.22 | 8.08 | 0.53 | 2.87 | 4.78 | 3.08 | 1.67 |
| 1986 | Boston Red Sox | AL | MLB | BOS | 45 | 26 | 0 | 0 | 9.53 | 3 | 0 | 0 | 0 | 3 | 1 | 0 | 5.2 | 7 | 6 | 6 | 0 | 6 | 4 | 1 | 0 | 0 | 2.29 | 11.12 | 0.00 | 9.53 | 6.35 | 9.53 | 0.67 |
| 1986 | Seattle Mariners | AL | MLB | SEA | 43 | 26 | 3 | 2 | 2.40 | 11 | 4 | 1 | 1 | 7 | 4 | 1 | 41.1 | 32 | 11 | 11 | 5 | 15 | 19 | 0 | 0 | 0 | 1.14 | 6.97 | 1.09 | 3.27 | 4.14 | 2.40 | 1.27 |
| 1987 | Calgary Cannons | PCL | AAA | SEA | - | 27 | 3 | 1 | 2.28 | 5 | 3 | 1 | 0 | 2 | 1 | 1 | 27.2 | 25 | 8 | 7 | 2 | 9 | 21 | 1 | 0 | 0 | 1.23 | 8.13 | 0.65 | 2.93 | 6.83 | 2.60 | 2.33 |
| 1987 | Seattle Mariners | AL | MLB | SEA | 43 | 27 | 4 | 4 | 6.17 | 28 | 7 | 0 | 0 | 21 | 6 | 1 | 65.2 | 70 | 46 | 45 | 12 | 26 | 36 | 6 | 1 | 2 | 1.46 | 9.59 | 1.64 | 3.56 | 4.93 | 6.30 | 1.38 |
| 1988 | Toledo Mud Hens | IL | AAA | DET | - | 28 | 4 | 10 | 3.13 | 18 | 16 | 1 | 0 | 2 | 1 | 0 | 106.1 | 102 | 42 | 37 | 8 | 42 | 54 | 6 | 0 | 5 | 1.35 | 8.63 | 0.68 | 3.55 | 4.57 | 3.55 | 1.29 |
| 1988 | Detroit Tigers | AL | MLB | DET | 36 | 28 | 0 | 0 | 5.11 | 6 | 0 | 0 | 0 | 6 | 2 | 0 | 12.1 | 11 | 7 | 7 | 2 | 5 | 5 | 1 | 0 | 0 | 1.30 | 8.03 | 1.46 | 3.65 | 3.65 | 5.11 | 1.00 |
| 1989 | Toledo Mud Hens | IL | AAA | DET | - | 29 | 8 | 5 | 3.93 | 23 | 15 | 3 | 2 | 8 | 0 | 0 | 107.2 | 116 | 53 | 47 | 8 | 37 | 55 | 6 | 0 | 1 | 1.42 | 9.70 | 0.67 | 3.09 | 4.60 | 4.43 | 1.49 |
| 1989 | Detroit Tigers | AL | MLB | DET | 43 | 29 | 1 | 2 | 5.96 | 8 | 4 | 1 | 0 | 4 | 3 | 0 | 25.2 | 35 | 17 | 17 | 3 | 13 | 13 | 1 | 0 | 0 | 1.87 | 12.27 | 1.05 | 4.56 | 4.56 | 5.96 | 1.00 |
| Tot: | MLB (5 yrs) | MLB | 12 | 12 | 5.02 | 83 | 22 | 3 | 1 | 23 | 61 | 3 | 234.2 | 267 | 142 | 131 | 29 | 88 | 96 | 10 | 1 | 5 | 1.51 | 10.24 | 1.11 | 3.38 | 3.68 | 5.45 | 1.09 | ||||
| Tot: | AL (5 yrs) | AL | 12 | 12 | 5.02 | 83 | 22 | 3 | 1 | 23 | 61 | 3 | 234.2 | 267 | 142 | 131 | 29 | 88 | 96 | 10 | 1 | 5 | 1.51 | 10.24 | 1.11 | 3.38 | 3.68 | 5.45 | 1.09 | ||||
| Tot: | Minors (7 yrs) | Minors | 58 | 45 | 2.94 | 158 | 101 | 25 | 6 | 39 | 57 | 13 | 763.0 | 665 | 316 | 249 | 48 | 252 | 507 | 40 | 0 | 17 | 1.20 | 7.84 | 0.57 | 2.97 | 5.98 | 3.73 | 2.01 | ||||
| Tot: | Rk (1 yrs) | Rk | 0 | 0 | 1.23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.1 | 1 | 2 | 1 | 0 | 4 | 6 | 1 | 0 | 0 | 0.68 | 1.23 | 0.00 | 4.91 | 7.36 | 2.45 | 1.50 | ||||
| Tot: | A- (1 yrs) | A- | 5 | 4 | 2.39 | 12 | 12 | 3 | 1 | 0 | 0 | 0 | 79.0 | 54 | 33 | 21 | 5 | 25 | 100 | 5 | 0 | 3 | 1.00 | 6.15 | 0.57 | 2.85 | 11.39 | 3.76 | 4.00 | ||||
| Tot: | A (1 yrs) | A | 15 | 8 | 2.40 | 29 | 29 | 11 | 1 | 0 | 0 | 0 | 198.2 | 146 | 75 | 53 | 7 | 63 | 148 | 14 | 0 | 6 | 1.05 | 6.61 | 0.32 | 2.85 | 6.70 | 3.40 | 2.35 | ||||
| Tot: | AA (1 yrs) | AA | 13 | 3 | 2.37 | 20 | 19 | 5 | 1 | 0 | 1 | 0 | 121.2 | 107 | 47 | 32 | 7 | 25 | 69 | 4 | 0 | 1 | 1.08 | 7.92 | 0.52 | 1.85 | 5.10 | 3.48 | 2.76 | ||||
| Tot: | AAA (5 yrs) | AAA | 25 | 30 | 3.59 | 96 | 40 | 6 | 3 | 39 | 56 | 13 | 356.1 | 357 | 159 | 142 | 29 | 135 | 184 | 16 | 0 | 7 | 1.38 | 9.02 | 0.73 | 3.41 | 4.65 | 4.02 | 1.36 | ||||
| Tot: | College (4 yrs) | College | 24 | 8 | 2.62 | 44 | 27 | 18 | 3 | 0 | 17 | 0 | 264.1 | 204 | 115 | 77 | 0 | 105 | 204 | 0 | 0 | 0 | 1.17 | 6.95 | 0.00 | 3.58 | 6.95 | 3.92 | 1.94 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 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 |
| 1989 | Toledo Mud Hens | IL | AAA | DET | - | 29 | P | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| Tot: | Minors (1 yrs) | Minors | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | |||||||||
| Tot: | AAA (1 yrs) | AAA | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | |||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 41 | 61 | 52 | 44 | 52 | 41 | .514 |