P · 14 seasons · 1980 – 1993 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1980 | BAL | 1 | -2.29 | #501 | #86,677 |
| 1981 | BAL | 2 | -2.26 | #504 | #83,102 |
| 1982 | BAL | 7 | -2.23 | #491 | #80,396 |
| 1983 | BAL | 27 | -2.26 | #494 | #83,790 |
| 1984 | BAL | 35 | -2.24 | #503 | #81,295 |
| 1985 | BAL | 34 | -2.21 | #468 | #78,191 |
| 1986 | BAL | 33 | -2.31 | #503 | #89,035 |
| 1987 | BAL | 34 | -2.28 | #490 | #85,050 |
| 1988 | BAL | 36 | -2.22 | #479 | #78,807 |
| 1989 | BOS | 34 | -2.25 | #520 | #82,565 |
| 1990 | BOS | 34 | -2.19 | #504 | #75,986 |
| 1991★ | KC | 30 | -2.14 | #497 | #70,859 |
| 1992 | KC | 29 | -2.19 | #525 | #76,350 |
| 1993 | ML4 | 10 | -2.18 | #553 | #74,941 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1980 | BAL | 1 | -2.79 | #293 | #42,964 |
| 1981 | BAL | 2 | -2.73 | #287 | #42,299 |
| 1982 | BAL | 7 | -2.14 | #240 | #33,565 |
| 1983 | BAL | 27 | 7.69 | #15 | #2,479 |
| 1984★ | BAL | 34 | 9.49 | #7 | #1,369 |
| 1985 | BAL | 32 | 0.21 | #149 | #17,514 |
| 1986 | BAL | 33 | 2.34 | #89 | #10,646 |
| 1987 | BAL | 33 | 4.00 | #57 | #7,105 |
| 1988 | BAL | 36 | 3.91 | #68 | #7,274 |
| 1989 | BOS | 34 | 2.48 | #101 | #10,274 |
| 1990 | BOS | 34 | 6.30 | #35 | #3,807 |
| 1991 | KC | 30 | 1.15 | #140 | #14,096 |
| 1992 | KC | 29 | -2.67 | #342 | #41,537 |
| 1993 | ML4 | 10 | -2.93 | #447 | #44,454 |
★ Best season by Z