| Year | Team | INN | Runs | REP | DEF | Games | Starts | LEV | WAR | R+ | BB+ | HBP+ | SO+ | HR+ | Hit+ | X |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unadjusted Runs vs. League Avg | ||||||||||||||||
| 1978 | NYA | 128 | 60 | 65 | 4 | 25 | 22 | 0.9 | 0.5 | 0 | -1 | -2 | 0 | 4 | 0 | -1 |
| 1979 | NYA | 76 | 45 | 46 | 2 | 15 | 13 | 1.1 | 0.1 | -5 | -4 | 1 | -2 | 4 | -3 | -2 |
| 1980 | SEA | 187.3 | 115 | 120 | -1 | 33 | 29 | 1.0 | 0.5 | -21 | -9 | 0 | -8 | -1 | 0 | -3 |
| 1981 | SEA | 66.7 | 24 | 39 | -1 | 13 | 9 | 1.0 | 1.6 | 6 | 1 | 0 | 1 | 4 | 1 | 0 |
| 1982 | SEA | 172.3 | 73 | 107 | 0 | 28 | 26 | 0.9 | 3.3 | 13 | -1 | 1 | 14 | 3 | 1 | -4 |
| 1983 | SEA | 196.7 | 89 | 129 | -4 | 30 | 29 | 1.1 | 4.1 | 10 | 1 | 0 | 7 | 8 | -5 | -1 |
| 1984 | SEA | 211 | 86 | 132 | -6 | 32 | 32 | 1.0 | 4.8 | 18 | 0 | 0 | 0 | 10 | 0 | 8 |
| 1985 | SEA | 70.3 | 61 | 46 | -1 | 18 | 15 | 0.9 | -1.4 | -25 | -1 | 0 | 0 | -1 | -9 | -13 |
| 1986 | SEA | 40.3 | 28 | 28 | -3 | 9 | 7 | 0.9 | 0.0 | -7 | 1 | -1 | -1 | -3 | -5 | 2 |
| TOTALS | 1148.6 | 581 | 712 | -10 | 203 | 182 | 1.0 | 13.5 | -11 | -13 | -1 | 11 | 28 | -20 | -14 | |