| 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 | 19 | 15 | 7 | 84 | 4 | 8.3 | 6.5 | 0 | 0 | 2 | 0 | 3 | 0 | 0.0 | 347 | 404 | 13 | 7 | 2 | 1 | 13 | 5 | 6 | 0 | 86 | 127 | 0.68 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1979 | MIN | 23 | 8 | 2 | 39.3 | 15 | 30 | 6.0 | 0 | 2 | 12 | 6 | 27 | 15 | 55.6 | 279 | 311 | 17 | 3 | 1 | 0 | 6 | 5 | 2 | 0 | 74 | 80 | 0.93 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1980 | MIN | 32 | 25 | 14 | 155.7 | 7 | 16.3 | 6.3 | 0 | 1 | 9 | 0 | 15 | 0 | 0.0 | 643 | 724 | 24 | 3 | 2 | 2 | 14 | 8 | 0 | 0 | 220 | 183 | 1.20 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1981 | MIN | 14 | 5 | 2 | 23.7 | 9 | 9 | 6.4 | 1 | 2 | 7 | 5 | 18 | 14 | 77.8 | 124 | 145 | 6 | 1 | 1 | 2 | 1 | 3 | 0 | 0 | 32 | 33 | 0.97 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1982 | MIN | 13 | 7 | 1 | 32.7 | 6 | 12 | 6.7 | 0 | 0 | 2 | 0 | 3 | 0 | 0.0 | 172 | 202 | 9 | 2 | 1 | 3 | 2 | 1 | 1 | 0 | 47 | 64 | 0.73 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |