| 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 |
| 1978 | Bend Timber Hawks | Nwst | A- | OAK | - | 19 | 7 | 3 | 3.42 | 12 | 12 | 9 | 2 | 0 | 0 | 0 | 92.0 | 86 | 44 | 35 | 5 | 40 | 81 | 7 | 0 | 3 | 1.37 | 8.41 | 0.49 | 3.91 | 7.92 | 4.30 | 2.03 |
| 1979 | Modesto A's | Calif | A+ | OAK | - | 20 | 9 | 8 | 5.98 | 21 | 21 | 9 | 0 | 0 | 0 | 0 | 146.0 | 190 | 107 | 97 | 18 | 51 | 103 | 1 | 0 | 3 | 1.65 | 11.71 | 1.11 | 3.14 | 6.35 | 6.60 | 2.02 |
| 1979 | Waterbury A's | East | AA | OAK | - | 20 | 0 | 3 | 5.57 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 21.0 | 28 | 23 | 13 | 2 | 13 | 7 | 1 | 0 | 0 | 1.95 | 12.00 | 0.86 | 5.57 | 3.00 | 9.86 | 0.54 |
| 1980 | West Haven Whitecaps | East | AA | OAK | - | 21 | 11 | 12 | 4.12 | 27 | 27 | 13 | 2 | 0 | 0 | 0 | 190.0 | 185 | 101 | 87 | 14 | 58 | 117 | 2 | 0 | 1 | 1.28 | 8.76 | 0.66 | 2.75 | 5.54 | 4.78 | 2.02 |
| 1981 | West Haven A's | East | AA | OAK | - | 22 | 11 | 13 | 3.60 | 27 | 27 | 4 | 0 | 0 | 0 | 0 | 175.0 | 174 | 83 | 70 | 13 | 64 | 116 | 7 | 0 | 6 | 1.36 | 8.95 | 0.67 | 3.29 | 5.97 | 4.27 | 1.81 |
| 1982 | Tacoma Tigers | PCL | AAA | OAK | - | 23 | 12 | 9 | 4.37 | 28 | 28 | 6 | 1 | 0 | 0 | 0 | 200.0 | 214 | 108 | 97 | 26 | 54 | 128 | 3 | 0 | 2 | 1.34 | 9.63 | 1.17 | 2.43 | 5.76 | 4.86 | 2.37 |
| 1983 | Tacoma Tigers | PCL | AAA | OAK | - | 24 | 3 | 8 | 3.96 | 26 | 14 | 1 | 0 | 12 | 6 | 2 | 120.1 | 117 | 60 | 53 | 14 | 44 | 93 | 2 | 0 | 2 | 1.34 | 8.75 | 1.05 | 3.29 | 6.96 | 4.49 | 2.11 |
| 1983 | Oakland Athletics | AL | MLB | OAK | 55 | 24 | 2 | 5 | 2.77 | 29 | 0 | 0 | 0 | 29 | 21 | 4 | 68.1 | 53 | 22 | 21 | 7 | 23 | 40 | 1 | 1 | 1 | 1.11 | 6.98 | 0.92 | 3.03 | 5.27 | 2.90 | 1.74 |
| 1984 | Oakland Athletics | AL | MLB | OAK | 55 | 25 | 7 | 6 | 4.33 | 57 | 0 | 0 | 0 | 57 | 24 | 2 | 104.0 | 110 | 51 | 50 | 13 | 39 | 58 | 3 | 0 | 2 | 1.43 | 9.52 | 1.13 | 3.38 | 5.02 | 4.41 | 1.49 |
| 1985 | Oakland Athletics | AL | MLB | OAK | 55 | 26 | 4 | 7 | 4.30 | 56 | 0 | 0 | 0 | 56 | 21 | 3 | 104.2 | 89 | 51 | 50 | 17 | 42 | 77 | 2 | 0 | 0 | 1.25 | 7.65 | 1.46 | 3.61 | 6.62 | 4.39 | 1.83 |
| 1986 | Oakland Athletics | AL | MLB | OAK | 55 | 27 | 1 | 2 | 5.87 | 13 | 0 | 0 | 0 | 13 | 5 | 0 | 15.1 | 18 | 10 | 10 | 2 | 11 | 8 | 0 | 0 | 0 | 1.89 | 10.57 | 1.17 | 6.46 | 4.70 | 5.87 | 0.73 |
| 1986 | Minnesota Twins | AL | MLB | MIN | 22 | 27 | 5 | 8 | 3.75 | 47 | 0 | 0 | 0 | 47 | 31 | 10 | 81.2 | 82 | 37 | 34 | 9 | 35 | 59 | 2 | 0 | 1 | 1.43 | 9.04 | 0.99 | 3.86 | 6.50 | 4.08 | 1.69 |
| 1987 | Minnesota Twins | AL | MLB | MIN | 22 | 28 | 7 | 5 | 4.54 | 59 | 0 | 0 | 0 | 59 | 29 | 2 | 79.1 | 81 | 46 | 40 | 10 | 30 | 51 | 1 | 0 | 4 | 1.40 | 9.19 | 1.13 | 3.40 | 5.79 | 5.22 | 1.70 |
| 1988 | Minnesota Twins | AL | MLB | MIN | 22 | 29 | 7 | 5 | 3.41 | 49 | 0 | 0 | 0 | 49 | 13 | 3 | 74.0 | 65 | 29 | 28 | 10 | 22 | 43 | 1 | 0 | 2 | 1.18 | 7.91 | 1.22 | 2.68 | 5.23 | 3.53 | 1.95 |
| 1989 | Toledo Mud Hens | IL | AAA | DET | - | 30 | 1 | 2 | 1.38 | 6 | 0 | 0 | 0 | 6 | 4 | 1 | 13.0 | 7 | 4 | 2 | 0 | 1 | 12 | 1 | 0 | 1 | 0.62 | 4.85 | 0.00 | 0.69 | 8.31 | 2.77 | 12.00 |
| 1989 | Colorado Springs Sky Sox | PCL | AAA | CLE | - | 30 | 0 | 1 | 9.28 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 10.2 | 20 | 11 | 11 | 1 | 5 | 6 | 0 | 0 | 0 | 2.34 | 16.87 | 0.84 | 4.22 | 5.06 | 9.28 | 1.20 |
| 1989 | Cleveland Indians | AL | MLB | CLE | 38,22 | 30 | 0 | 3 | 4.15 | 32 | 0 | 0 | 0 | 32 | 14 | 2 | 39.0 | 48 | 22 | 18 | 7 | 13 | 13 | 0 | 0 | 0 | 1.56 | 11.08 | 1.62 | 3.00 | 3.00 | 5.08 | 1.00 |
| Tot: | MLB (7 yrs) | MLB | 33 | 41 | 3.99 | 342 | 0 | 0 | 0 | 158 | 342 | 26 | 566.1 | 546 | 268 | 251 | 75 | 215 | 349 | 10 | 1 | 10 | 1.34 | 8.68 | 1.19 | 3.42 | 5.55 | 4.26 | 1.62 | ||||
| Tot: | AL (7 yrs) | AL | 33 | 41 | 3.99 | 342 | 0 | 0 | 0 | 158 | 342 | 26 | 566.1 | 546 | 268 | 251 | 75 | 215 | 349 | 10 | 1 | 10 | 1.34 | 8.68 | 1.19 | 3.42 | 5.55 | 4.26 | 1.62 | ||||
| Tot: | Minors (7 yrs) | Minors | 54 | 59 | 4.32 | 155 | 133 | 42 | 5 | 10 | 22 | 3 | 968.0 | 1021 | 541 | 465 | 93 | 330 | 663 | 24 | 0 | 18 | 1.40 | 9.49 | 0.86 | 3.07 | 6.16 | 5.03 | 2.01 | ||||
| Tot: | A- (1 yrs) | A- | 7 | 3 | 3.42 | 12 | 12 | 9 | 2 | 0 | 0 | 0 | 92.0 | 86 | 44 | 35 | 5 | 40 | 81 | 7 | 0 | 3 | 1.37 | 8.41 | 0.49 | 3.91 | 7.92 | 4.30 | 2.03 | ||||
| Tot: | A+ (1 yrs) | A+ | 9 | 8 | 5.98 | 21 | 21 | 9 | 0 | 0 | 0 | 0 | 146.0 | 190 | 107 | 97 | 18 | 51 | 103 | 1 | 0 | 3 | 1.65 | 11.71 | 1.11 | 3.14 | 6.35 | 6.60 | 2.02 | ||||
| Tot: | AA (3 yrs) | AA | 22 | 28 | 3.96 | 58 | 58 | 17 | 2 | 0 | 0 | 0 | 386.0 | 387 | 207 | 170 | 29 | 135 | 240 | 10 | 0 | 7 | 1.35 | 9.02 | 0.68 | 3.15 | 5.60 | 4.83 | 1.78 | ||||
| Tot: | AAA (3 yrs) | AAA | 16 | 20 | 4.26 | 64 | 42 | 7 | 1 | 10 | 22 | 3 | 344.0 | 358 | 183 | 163 | 41 | 104 | 239 | 6 | 0 | 5 | 1.34 | 9.37 | 1.07 | 2.72 | 6.25 | 4.79 | 2.30 | ||||
| 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 |
| 1987 | Minnesota Twins | Championship Series | Playoffs | 28 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 | 27.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1987 | Minnesota Twins | World Series | Playoffs | 28 | 0 | 0 | 6.75 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0.75 | 0.00 | 0.00 | 6.75 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 0 | 0 | 5.40 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 1.2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1.20 | 5.40 | 0.00 | 5.40 | 0.00 | 0.00 | 0.00 |
| 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 |
| 1982 | Tacoma Tigers | PCL | AAA | OAK | - | 23 | P | 28 | 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 | |
| 1983 | Oakland Athletics | AL | MLB | OAK | 55 | 24 | P | 29 | 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: | MLB (1 yrs) | MLB | 29 | 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: | AL (1 yrs) | AL | 29 | 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: | Minors (1 yrs) | Minors | 28 | 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 | 28 | 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: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 52 | 65 | 49 | 65 | 49 | 81 | .476 |