P · 13 seasons · 1974 – 1986 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1974 | CLE | 4 | -2.25 | #476 | #81,775 |
| 1975 | CLE | 13 | -2.32 | #470 | #89,490 |
| 1976 | CLE | 50 | -2.33 | #467 | #90,229 |
| 1977 | CLE | 60 | -2.33 | #487 | #90,439 |
| 1978 | CLE | 58 | -2.31 | #711 | #88,589 |
| 1979 | TEX | 71 | -2.29 | #466 | #87,086 |
| 1980 | TEX | 38 | -2.29 | #501 | #86,677 |
| 1981 | TEX | 23 | -2.26 | #504 | #83,102 |
| 1982 | CIN | 63 | -2.48 | #833 | #98,763 |
| 1983 | CWS | 1 | -2.26 | #494 | #83,790 |
| 1984 | PHI | 14 | -2.31 | #742 | #88,542 |
| 1985★ | ML4 | 5 | -2.24 | #482 | #81,336 |
| 1986 | CLE | 16 | -2.31 | #503 | #89,035 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1974 | CLE | 4 | -2.78 | #284 | #42,855 |
| 1975 | CLE | 13 | -1.70 | #193 | #28,216 |
| 1976 | CLE | 50 | 6.73 | #23 | #3,329 |
| 1977 | CLE | 60 | 4.29 | #48 | #6,602 |
| 1978 | CLE | 58 | 4.11 | #51 | #6,910 |
| 1979★ | TEX | 71 | 13.75 | #2 | #276 |
| 1980 | TEX | 38 | -2.68 | #280 | #41,586 |
| 1981 | TEX | 23 | -0.09 | #144 | #18,826 |
| 1982 | CIN | 63 | 0.89 | #124 | #15,004 |
| 1983 | CWS | 1 | -2.63 | #288 | #40,995 |
| 1984 | PHI | 14 | -3.66 | #370 | #48,900 |
| 1985 | ML4 | 5 | -2.89 | #331 | #44,049 |
| 1986 | CLE | 16 | -4.13 | #407 | #49,970 |
★ Best season by Z