P · 15 seasons · 1973 – 1987 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | MIN | 28 | -2.31 | #459 | #88,839 |
| 1974 | MIN | 63 | -2.25 | #476 | #81,778 |
| 1975 | MIN | 47 | -2.35 | #660 | #91,853 |
| 1976 | MIN | 78 | -2.33 | #467 | #90,231 |
| 1977 | BOS | 69 | -2.33 | #487 | #90,441 |
| 1978 | BOS | 29 | -2.28 | #483 | #85,289 |
| 1979 | BOS | 41 | -2.29 | #466 | #87,086 |
| 1980 | BOS | 23 | -2.29 | #501 | #86,677 |
| 1981 | BOS | 30 | -2.26 | #504 | #83,103 |
| 1982 | CHC | 62 | -2.34 | #783 | #91,572 |
| 1983 | CHC | 82 | -2.43 | #832 | #96,437 |
| 1984 | PHI | 57 | -2.31 | #742 | #88,544 |
| 1985★ | STL | 50 | -2.08 | #432 | #62,469 |
| 1986 | DET | 34 | -2.31 | #503 | #89,036 |
| 1987 | MON | 7 | -2.31 | #735 | #88,391 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | MIN | 28 | 0.58 | #112 | #16,071 |
| 1974 | MIN | 63 | 6.87 | #22 | #3,219 |
| 1975 | MIN | 47 | 0.68 | #111 | #15,717 |
| 1976 | MIN | 78 | 8.64 | #9 | #1,825 |
| 1977★ | BOS | 69 | 10.21 | #10 | #1,042 |
| 1978 | BOS | 29 | -0.22 | #154 | #19,389 |
| 1979 | BOS | 41 | 0.01 | #156 | #18,408 |
| 1980 | BOS | 23 | -2.41 | #257 | #37,760 |
| 1981 | BOS | 30 | 0.79 | #115 | #15,340 |
| 1982 | CHC | 62 | 1.23 | #118 | #13,872 |
| 1983 | CHC | 82 | 0.52 | #136 | #16,320 |
| 1984 | PHI | 57 | 0.44 | #145 | #16,595 |
| 1985 | STL | 50 | 0.71 | #128 | #15,613 |
| 1986 | DET | 34 | -0.26 | #173 | #19,556 |
| 1987 | MON | 7 | -3.28 | #381 | #47,118 |
★ Best season by Z