| 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 |
| 1976 | South Carolina | IndyNCAA | NCAA-1 | Jr | 20 | 8 | 5 | 2.84 | 16 | 11 | 6 | 3 | 5 | 0 | 0 | 95.0 | 80 | 39 | 30 | 0 | 37 | 69 | 0 | 0 | 0 | 1.23 | 7.58 | 0.00 | 3.51 | 6.54 | 3.69 | 1.86 | |
| 1977 | South Carolina | IndyNCAA | NCAA-1 | Sr | 21 | 11 | 6 | 2.17 | 20 | 17 | 13 | 3 | 3 | 0 | 0 | 149.0 | 111 | 40 | 36 | 0 | 44 | 145 | 0 | 0 | 0 | 1.04 | 6.70 | 0.00 | 2.66 | 8.76 | 2.42 | 3.30 | |
| 1977 | Bellingham Mariners | Nwst | A- | SEA | - | 21 | 3 | 2 | 5.67 | 12 | 3 | 0 | 0 | 9 | 0 | 4 | 27.0 | 33 | 23 | 17 | 5 | 14 | 31 | 2 | 0 | 0 | 1.74 | 11.00 | 1.67 | 4.67 | 10.33 | 7.67 | 2.21 |
| 1978 | Stockton Mariners | Calif | A+ | SEA | - | 22 | 12 | 11 | 2.12 | 26 | 26 | 14 | 5 | 0 | 0 | 0 | 212.0 | 166 | 70 | 50 | 5 | 61 | 189 | 7 | 0 | 2 | 1.07 | 7.05 | 0.21 | 2.59 | 8.02 | 2.97 | 3.10 |
| 1979 | Spokane Indians | PCL | AAA | SEA | - | 23 | 13 | 11 | 3.69 | 28 | 28 | 8 | 1 | 0 | 0 | 0 | 183.0 | 206 | 95 | 75 | 10 | 56 | 98 | 5 | 0 | 3 | 1.43 | 10.13 | 0.49 | 2.75 | 4.82 | 4.67 | 1.75 |
| 1979 | Seattle Mariners | AL | MLB | SEA | 26 | 23 | 0 | 0 | 15.43 | 2 | 0 | 0 | 0 | 2 | 1 | 0 | 2.1 | 10 | 7 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 4.71 | 38.57 | 3.86 | 3.86 | 0.00 | 27.00 | 0.00 |
| 1980 | Columbus Clippers | IL | AAA | NYA | - | 24 | 10 | 7 | 2.32 | 47 | 0 | 0 | 0 | 47 | 0 | 7 | 93.0 | 73 | 34 | 24 | 5 | 45 | 76 | 6 | 0 | 0 | 1.27 | 7.06 | 0.48 | 4.35 | 7.35 | 3.29 | 1.69 |
| 1981 | Columbus Clippers | IL | AAA | NYA | - | 25 | 8 | 7 | 4.98 | 54 | 7 | 2 | 0 | 47 | 37 | 13 | 150.0 | 147 | 89 | 83 | 19 | 65 | 100 | 6 | 2 | 2 | 1.41 | 8.82 | 1.14 | 3.90 | 6.00 | 5.34 | 1.54 |
| 1982 | Columbus Clippers | IL | AAA | NYA | - | 26 | 12 | 6 | 2.60 | 32 | 22 | 5 | 0 | 10 | 6 | 5 | 166.0 | 139 | 61 | 48 | 14 | 64 | 107 | 13 | 0 | 2 | 1.22 | 7.54 | 0.76 | 3.47 | 5.80 | 3.31 | 1.67 |
| 1982 | New York Yankees | AL | MLB | NYA | 61 | 26 | 0 | 0 | 54.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.2 | 3 | 7 | 4 | 0 | 3 | 0 | 1 | 1 | 0 | 9.00 | 40.50 | 0.00 | 40.50 | 0.00 | 94.50 | 0.00 |
| 1983 | Toledo Mud Hens | IL | AAA | MIN | - | 27 | 11 | 9 | 5.05 | 38 | 12 | 2 | 0 | 26 | 21 | 4 | 123.0 | 128 | 81 | 69 | 14 | 86 | 76 | 6 | 0 | 7 | 1.74 | 9.37 | 1.02 | 6.29 | 5.56 | 5.93 | 0.88 |
| 1983 | Minnesota Twins | AL | MLB | MIN | 21 | 27 | 0 | 0 | 6.50 | 6 | 0 | 0 | 0 | 6 | 0 | 0 | 18.0 | 24 | 13 | 13 | 5 | 7 | 8 | 0 | 0 | 1 | 1.72 | 12.00 | 2.50 | 3.50 | 4.00 | 6.50 | 1.14 |
| 1984 | Salt Lake Gulls | PCL | AAA | SEA | - | 28 | 15 | 9 | 4.43 | 30 | 30 | 10 | 0 | 0 | 0 | 0 | 207.0 | 249 | 117 | 102 | 13 | 79 | 122 | 8 | 0 | 6 | 1.58 | 10.83 | 0.57 | 3.43 | 5.30 | 5.09 | 1.54 |
| 1985 | Calgary Cannons | PCL | AAA | SEA | - | 29 | 7 | 7 | 6.47 | 20 | 16 | 1 | 0 | 4 | 0 | 0 | 103.0 | 130 | 83 | 74 | 8 | 37 | 52 | 3 | 0 | 0 | 1.62 | 11.36 | 0.70 | 3.23 | 4.54 | 7.25 | 1.41 |
| 1985 | Seattle Mariners | AL | MLB | SEA | 34 | 29 | 0 | 1 | 7.71 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 4.2 | 8 | 4 | 4 | 1 | 1 | 1 | 0 | 0 | 2 | 1.93 | 15.43 | 1.93 | 1.93 | 1.93 | 7.71 | 1.00 |
| Tot: | MLB (4 yrs) | MLB | 0 | 1 | 8.77 | 11 | 1 | 0 | 0 | 1 | 10 | 0 | 25.2 | 45 | 31 | 25 | 7 | 12 | 9 | 1 | 1 | 3 | 2.22 | 15.78 | 2.45 | 4.21 | 3.16 | 10.87 | 0.75 | ||||
| Tot: | AL (4 yrs) | AL | 0 | 1 | 8.77 | 11 | 1 | 0 | 0 | 1 | 10 | 0 | 25.2 | 45 | 31 | 25 | 7 | 12 | 9 | 1 | 1 | 3 | 2.22 | 15.78 | 2.45 | 4.21 | 3.16 | 10.87 | 0.75 | ||||
| Tot: | Minors (9 yrs) | Minors | 91 | 69 | 3.86 | 287 | 144 | 42 | 6 | 64 | 143 | 33 | 1264.0 | 1271 | 653 | 542 | 93 | 507 | 851 | 56 | 2 | 22 | 1.41 | 9.05 | 0.66 | 3.61 | 6.06 | 4.65 | 1.68 | ||||
| Tot: | A- (1 yrs) | A- | 3 | 2 | 5.67 | 12 | 3 | 0 | 0 | 0 | 9 | 4 | 27.0 | 33 | 23 | 17 | 5 | 14 | 31 | 2 | 0 | 0 | 1.74 | 11.00 | 1.67 | 4.67 | 10.33 | 7.67 | 2.21 | ||||
| Tot: | A+ (1 yrs) | A+ | 12 | 11 | 2.12 | 26 | 26 | 14 | 5 | 0 | 0 | 0 | 212.0 | 166 | 70 | 50 | 5 | 61 | 189 | 7 | 0 | 2 | 1.07 | 7.05 | 0.21 | 2.59 | 8.02 | 2.97 | 3.10 | ||||
| Tot: | AAA (7 yrs) | AAA | 76 | 56 | 4.17 | 249 | 115 | 28 | 1 | 64 | 134 | 29 | 1025.0 | 1072 | 560 | 475 | 83 | 432 | 631 | 47 | 2 | 20 | 1.47 | 9.41 | 0.73 | 3.79 | 5.54 | 4.92 | 1.46 | ||||
| Tot: | College (2 yrs) | College | 19 | 11 | 2.43 | 36 | 28 | 19 | 6 | 0 | 8 | 0 | 244.0 | 191 | 79 | 66 | 0 | 81 | 214 | 0 | 0 | 0 | 1.11 | 7.05 | 0.00 | 2.99 | 7.89 | 2.91 | 2.64 | ||||
| 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 |
| 1980 | Columbus Clippers | IL | AAA | NYA | - | 24 | P | 47 | 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 | |
| 1985 | Calgary Cannons | PCL | AAA | SEA | - | 29 | P | 20 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | .250 | .250 | .250 | .500 | .000 | .000 | .500 | 0.00 | 50.00 | 0.00 | 0.00 | |
| Tot: | Minors (3 yrs) | Minors | 79 | 5 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 1 | .200 | .200 | .200 | .400 | .000 | .000 | .500 | 0.00 | 60.00 | ||||||||
| Tot: | A- (1 yrs) | A- | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | AAA (2 yrs) | AAA | 67 | 5 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 1 | .200 | .200 | .200 | .400 | .000 | .000 | .500 | 0.00 | 60.00 | ||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 52 | 62 | 47 | 62 | 47 | 54 | .507 |