P · 17 seasons · 1952 – 1970 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1952 | PIT | 27 | -2.88 | #529 | #107,304 |
| 1955 | PIT | 37 | -2.71 | #575 | #104,870 |
| 1956 | PIT | 44 | -2.99 | #535 | #108,389 |
| 1957 | PIT | 40 | -3.78 | #563 | #111,173 |
| 1958 | PIT | 33 | -4.09 | #580 | #111,305 |
| 1959 | PIT | 38 | -2.67 | #522 | #104,130 |
| 1960 | STL | 34 | -2.67 | #522 | #104,104 |
| 1961 | LAA | 36 | -2.89 | #592 | #107,476 |
| 1962 | DET | 36 | -2.44 | #575 | #97,053 |
| 1963 | WS2 | 62 | -2.49 | #569 | #99,372 |
| 1964 | WS2 | 61 | -2.26 | #471 | #83,538 |
| 1965 | WS2 | 74 | -2.39 | #573 | #94,498 |
| 1966★ | WS2 | 63 | -2.17 | #385 | #73,974 |
| 1967 | MIN | 54 | -2.33 | #561 | #90,886 |
| 1968 | PIT | 56 | -2.67 | #616 | #104,110 |
| 1969 | PIT | 43 | -2.31 | #669 | #88,283 |
| 1970 | ATL | 5 | -2.24 | #491 | #80,890 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1952 | PIT | 27 | -4.80 | #236 | #50,733 |
| 1955 | PIT | 36 | -0.92 | #119 | #22,874 |
| 1956 | PIT | 44 | 5.79 | #21 | #4,376 |
| 1957 | PIT | 40 | 0.74 | #88 | #15,510 |
| 1958 | PIT | 32 | 3.72 | #41 | #7,628 |
| 1959 | PIT | 33 | 0.38 | #82 | #16,848 |
| 1960 | STL | 34 | -4.35 | #231 | #50,269 |
| 1961 | LAA | 36 | 0.14 | #103 | #17,794 |
| 1962 | DET | 36 | -1.45 | #163 | #26,224 |
| 1963 | WS2 | 62 | 3.44 | #55 | #8,176 |
| 1964 | WS2 | 61 | 4.08 | #43 | #6,972 |
| 1965 | WS2 | 74 | 5.50 | #28 | #4,741 |
| 1966★ | WS2 | 63 | 6.36 | #17 | #3,742 |
| 1967 | MIN | 54 | 0.39 | #113 | #16,809 |
| 1968 | PIT | 56 | 4.06 | #35 | #7,008 |
| 1969 | PIT | 43 | -3.00 | #320 | #45,059 |
| 1970 | ATL | 5 | -2.58 | #268 | #40,193 |
★ Best season by Z