| as Starter | as Reliever | Misc | Baserunning | Balls hit against | Pitch results data | ||||||||||||||||||||||||||||||||||
| Year | Team | G | GS | QS | IP-S | GR | IP-R | InnSt | HLD | BS | InR | InS | InRV | InSV | Score | AB | TBF | 2B | 3B | HB | IBB | SB | CS | PO | POt | GB | FB | GB Ratio | GDP | PIT | STR | BAL | FOU | CAL | SW | SOc | SOs | BB4 | |
| 1978 | MIN | 37 | 37 | 20 | 265.7 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 1019 | 1120 | 47 | 11 | 8 | 1 | 5 | 12 | 15 | 0 | 302 | 347 | 0.87 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1979 | MIN | 24 | 21 | 8 | 113.7 | 3 | 9.3 | 4.7 | 0 | 1 | 5 | 2 | 9 | 3 | 33.3 | 496 | 556 | 36 | 12 | 1 | 1 | 9 | 6 | 3 | 0 | 147 | 163 | 0.90 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1980 | MIN | 32 | 27 | 18 | 176.3 | 5 | 15 | 5.8 | 0 | 0 | 2 | 0 | 3 | 0 | 0.0 | 740 | 811 | 31 | 5 | 4 | 0 | 5 | 5 | 5 | 0 | 206 | 254 | 0.81 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1981 | MIN | 14 | 14 | 6 | 91.3 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 355 | 399 | 14 | 5 | 0 | 4 | 3 | 3 | 1 | 0 | 98 | 135 | 0.73 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1982 | NYA | 16 | 11 | 5 | 63.7 | 5 | 7 | 7.4 | 0 | 0 | 5 | 3 | 9 | 6 | 66.7 | 286 | 308 | 16 | 4 | 0 | 1 | 4 | 0 | 2 | 0 | 62 | 110 | 0.56 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1983 | NYA | 5 | 0 | 0 | 0 | 5 | 16.7 | 3.0 | 0 | 0 | 8 | 1 | 18 | 3 | 16.7 | 61 | 69 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 20 | 22 | 0.91 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |