P · 6 seasons · 1978 – 1983 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1978 | MIN | 37 | -2.28 | #483 | #85,289 |
| 1979 | MIN | 24 | -2.29 | #466 | #87,086 |
| 1980 | MIN | 33 | -2.29 | #501 | #86,677 |
| 1981 | MIN | 14 | -2.26 | #504 | #83,103 |
| 1982★ | NYY | 23 | -2.23 | #491 | #80,397 |
| 1983 | NYY | 5 | -2.26 | #494 | #83,792 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1978 | MIN | 37 | 2.14 | #78 | #11,153 |
| 1979 | MIN | 24 | -4.63 | #382 | #50,589 |
| 1980★ | MIN | 32 | 2.18 | #95 | #11,046 |
| 1981 | MIN | 14 | -1.01 | #184 | #23,452 |
| 1982 | NYY | 23 | -1.88 | #221 | #30,028 |
| 1983 | NYY | 5 | -2.50 | #278 | #39,041 |
★ Best season by Z