| 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 | Bristol Tigers | App | Rk | DET | - | 18 | 0 | 3 | 4.00 | 13 | 4 | 1 | 0 | 9 | 0 | 0 | 36.0 | 32 | 27 | 16 | 6 | 40 | 43 | 3 | 0 | 1 | 2.00 | 8.00 | 1.50 | 10.00 | 10.75 | 6.75 | 1.08 |
| 1980 | Bristol Tigers | App | Rk | DET | - | 19 | 2 | 7 | 5.29 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 68.0 | 68 | 51 | 40 | 7 | 39 | 45 | 8 | 0 | 2 | 1.57 | 9.00 | 0.93 | 5.16 | 5.96 | 6.75 | 1.15 |
| 1980 | Lakeland Tigers | FSL | A+ | DET | - | 19 | 3 | 6 | 7.10 | 13 | 11 | 0 | 0 | 2 | 0 | 0 | 52.0 | 66 | 45 | 41 | 5 | 48 | 33 | 4 | 0 | 2 | 2.19 | 11.42 | 0.87 | 8.31 | 5.71 | 7.79 | 0.69 |
| 1981 | Modesto A's | Calif | A+ | OAK | - | 20 | 9 | 6 | 4.17 | 22 | 20 | 5 | 1 | 2 | 1 | 0 | 123.0 | 110 | 76 | 57 | 18 | 74 | 91 | 7 | 0 | 0 | 1.50 | 8.05 | 1.32 | 5.41 | 6.66 | 5.56 | 1.23 |
| 1982 | Stockton Ports | Calif | A+ | MIL | - | 21 | 19 | 4 | 3.00 | 28 | 27 | 13 | 5 | 1 | 0 | 0 | 195.0 | 160 | 76 | 65 | 11 | 83 | 154 | 8 | 0 | 9 | 1.25 | 7.38 | 0.51 | 3.83 | 7.11 | 3.51 | 1.86 |
| 1983 | Albany/Colonie A's | East | AA | OAK | - | 22 | 6 | 2 | 3.25 | 10 | 10 | 6 | 0 | 0 | 0 | 0 | 72.0 | 56 | 38 | 26 | 12 | 33 | 87 | 0 | 0 | 4 | 1.24 | 7.00 | 1.50 | 4.13 | 10.88 | 4.75 | 2.64 |
| 1983 | Tacoma Tigers | PCL | AAA | OAK | - | 22 | 6 | 3 | 3.53 | 11 | 11 | 3 | 0 | 0 | 0 | 0 | 79.0 | 72 | 34 | 31 | 6 | 36 | 85 | 7 | 0 | 2 | 1.37 | 8.20 | 0.68 | 4.10 | 9.68 | 3.87 | 2.36 |
| 1983 | Oakland Athletics | AL | MLB | OAK | 43 | 22 | 5 | 3 | 4.11 | 12 | 9 | 3 | 1 | 3 | 1 | 0 | 65.2 | 51 | 33 | 30 | 4 | 18 | 30 | 2 | 0 | 1 | 1.05 | 6.99 | 0.55 | 2.47 | 4.11 | 4.52 | 1.67 |
| 1984 | Tacoma Tigers | PCL | AAA | OAK | - | 23 | 4 | 3 | 4.95 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 67.1 | 67 | 45 | 37 | 11 | 33 | 44 | 7 | 0 | 4 | 1.49 | 8.96 | 1.47 | 4.41 | 5.88 | 6.01 | 1.33 |
| 1984 | Oakland Athletics | AL | MLB | OAK | 43 | 23 | 3 | 6 | 4.90 | 24 | 12 | 0 | 0 | 12 | 5 | 0 | 90.0 | 104 | 52 | 49 | 11 | 44 | 61 | 3 | 0 | 3 | 1.64 | 10.40 | 1.10 | 4.40 | 6.10 | 5.20 | 1.39 |
| 1985 | Tacoma Tigers | PCL | AAA | OAK | - | 24 | 1 | 2 | 5.09 | 12 | 1 | 0 | 0 | 11 | 4 | 1 | 23.0 | 17 | 15 | 13 | 2 | 24 | 24 | 5 | 0 | 0 | 1.78 | 6.65 | 0.78 | 9.39 | 9.39 | 5.87 | 1.00 |
| 1985 | Oakland Athletics | AL | MLB | OAK | 43 | 24 | 1 | 4 | 6.61 | 16 | 6 | 0 | 0 | 10 | 2 | 0 | 49.0 | 52 | 42 | 36 | 13 | 38 | 48 | 3 | 1 | 4 | 1.84 | 9.55 | 2.39 | 6.98 | 8.82 | 7.71 | 1.26 |
| 1986 | Omaha Royals | Amer | AAA | KCA | - | 25 | 5 | 1 | 3.19 | 7 | 7 | 2 | 1 | 0 | 0 | 0 | 48.0 | 32 | 19 | 17 | 2 | 20 | 31 | 3 | 0 | 0 | 1.08 | 6.00 | 0.38 | 3.75 | 5.81 | 3.56 | 1.55 |
| 1988 | Reno Silver Sox | Calif | A+ | - | 27 | 2 | 3 | 4.09 | 7 | 6 | 1 | 0 | 1 | 1 | 0 | 44.0 | 43 | 25 | 20 | 4 | 23 | 41 | 6 | 0 | 0 | 1.50 | 8.80 | 0.82 | 4.70 | 8.39 | 5.11 | 1.78 | |
| 1989 | Reno Silver Sox | Calif | A+ | - | 28 | 7 | 12 | 4.57 | 33 | 18 | 2 | 0 | 15 | 7 | 1 | 132.0 | 132 | 81 | 67 | 13 | 59 | 112 | 11 | 0 | 13 | 1.45 | 9.00 | 0.89 | 4.02 | 7.64 | 5.52 | 1.90 | |
| Tot: | MLB (3 yrs) | MLB | 9 | 13 | 5.06 | 52 | 27 | 3 | 1 | 8 | 25 | 0 | 204.2 | 207 | 127 | 115 | 28 | 100 | 139 | 8 | 1 | 8 | 1.50 | 9.10 | 1.23 | 4.40 | 6.11 | 5.58 | 1.39 | ||||
| Tot: | AL (3 yrs) | AL | 9 | 13 | 5.06 | 52 | 27 | 3 | 1 | 8 | 25 | 0 | 204.2 | 207 | 127 | 115 | 28 | 100 | 139 | 8 | 1 | 8 | 1.50 | 9.10 | 1.23 | 4.40 | 6.11 | 5.58 | 1.39 | ||||
| Tot: | Minors (10 yrs) | Minors | 64 | 52 | 4.12 | 179 | 138 | 33 | 7 | 13 | 41 | 2 | 939.1 | 855 | 532 | 430 | 97 | 512 | 790 | 69 | 0 | 37 | 1.46 | 8.19 | 0.93 | 4.91 | 7.57 | 5.10 | 1.54 | ||||
| Tot: | Rk (2 yrs) | Rk | 2 | 10 | 4.85 | 25 | 16 | 1 | 0 | 0 | 9 | 0 | 104.0 | 100 | 78 | 56 | 13 | 79 | 88 | 11 | 0 | 3 | 1.72 | 8.65 | 1.12 | 6.84 | 7.62 | 6.75 | 1.11 | ||||
| Tot: | A+ (5 yrs) | A+ | 40 | 31 | 4.12 | 103 | 82 | 21 | 6 | 9 | 21 | 1 | 546.0 | 511 | 303 | 250 | 51 | 287 | 431 | 36 | 0 | 24 | 1.46 | 8.42 | 0.84 | 4.73 | 7.10 | 4.99 | 1.50 | ||||
| Tot: | AA (1 yrs) | AA | 6 | 2 | 3.25 | 10 | 10 | 6 | 0 | 0 | 0 | 0 | 72.0 | 56 | 38 | 26 | 12 | 33 | 87 | 0 | 0 | 4 | 1.24 | 7.00 | 1.50 | 4.12 | 10.88 | 4.75 | 2.64 | ||||
| Tot: | AAA (4 yrs) | AAA | 16 | 9 | 4.06 | 41 | 30 | 5 | 1 | 4 | 11 | 1 | 217.1 | 188 | 113 | 98 | 21 | 113 | 184 | 22 | 0 | 6 | 1.38 | 7.79 | 0.87 | 4.68 | 7.62 | 4.68 | 1.63 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 69 | 33 | 61 | 45 | 61 | 55 | .463 |