P · 5 seasons · 1970 – 1974 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970 | KC | 47 | -2.34 | #637 | #91,521 |
| 1971 | KC | 21 | -2.63 | #749 | #103,310 |
| 1972 | KC | 17 | -2.28 | #567 | #86,068 |
| 1973 | KC | 25 | -2.31 | #459 | #88,838 |
| 1974★ | NYY | 3 | -2.25 | #476 | #81,775 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970 | KC | 47 | -2.26 | #235 | #35,481 |
| 1971★ | KC | 21 | -1.46 | #183 | #26,296 |
| 1972 | KC | 17 | -1.76 | #199 | #28,776 |
| 1973 | KC | 25 | -2.53 | #244 | #39,510 |
| 1974 | NYY | 3 | -2.51 | #254 | #39,211 |
★ Best season by Z