| Year | Team | INN | Runs | REP | DEF | Games | Starts | LEV | WAR | R+ | BB+ | HBP+ | SO+ | HR+ | Hit+ | X |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unadjusted Runs vs. League Avg | ||||||||||||||||
| 1977 | BAL | 4.3 | 1 | 2 | 0 | 3 | 0 | 0.1 | 0.1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 |
| 1978 | SEA | 82.3 | 59 | 50 | -2 | 27 | 10 | 0.8 | -1.0 | -20 | 0 | 0 | -1 | -1 | -10 | -9 |
| 1979 | SEA | 229.3 | 104 | 152 | -1 | 38 | 30 | 0.8 | 4.2 | 16 | 0 | 0 | 3 | 8 | -2 | 8 |
| 1980 | SEA | 94 | 83 | 60 | -1 | 27 | 16 | 1.0 | -2.5 | -36 | -1 | 0 | 0 | -9 | -13 | -13 |
| 1981 | SEA | 85 | 51 | 53 | -1 | 24 | 12 | 0.9 | 0.1 | -12 | 1 | 0 | -1 | 6 | -9 | -10 |
| TOTALS | 494.9 | 298 | 317 | -5 | 119 | 68 | 0.8 | 0.9 | -51 | 0 | 0 | 1 | 5 | -34 | -23 | |