1B · 22 seasons · 1969 – 1990 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1969 | LAD | 1 | -2.20 | #547 | #77,477 |
| 1970 | LAD | 28 | -2.33 | #631 | #90,991 |
| 1971 | LAD | 108 | 3.32 | #142 | #18,065 |
| 1972 | LAD | 105 | 6.97 | #71 | #9,509 |
| 1973 | LAD | 140 | 5.95 | #88 | #11,560 |
| 1974 | LAD | 145 | 12.14 | #19 | #2,842 |
| 1975 | LAD | 92 | 1.53 | #196 | #23,750 |
| 1976 | LAD | 154 | 10.58 | #32 | #4,290 |
| 1977 | CHC | 122 | 4.40 | #135 | #15,177 |
| 1978 | CHC | 117 | 7.72 | #71 | #8,210 |
| 1979 | CHC | 149 | 6.80 | #87 | #9,805 |
| 1980 | CHC | 145 | 8.59 | #52 | #6,768 |
| 1981 | CHC | 106 | 12.00 | #16 | #2,954 |
| 1982 | CHC | 161 | 12.57 | #19 | #2,540 |
| 1983 | CHC | 153 | 8.28 | #59 | #7,250 |
| 1984 | BOS | 135 | 4.87 | #116 | #13,942 |
| 1985★ | BOS | 162 | 12.65 | #19 | #2,488 |
| 1986 | BOS | 153 | 7.97 | #67 | #7,800 |
| 1987 | BOS | 132 | 3.66 | #165 | #17,093 |
| 1988 | KC | 108 | 1.03 | #233 | #25,645 |
| 1989 | KC | 79 | -1.89 | #403 | #48,348 |
| 1990 | BOS | 22 | -2.18 | #503 | #75,755 |
★ Best season by Z