| Year | W-L | % | Pos | GB | RS | RA | Py W-L | Py Δ | AVG | OPS | BABIP | ERA | Playoffs | Champ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | 68-76 | .472 | 4th | 22 | 693 | 738 | 68-76 | 0 | .255 | .722 | .291 | 4.78 | ||
| 1987 | 73-71 | .507 | 2nd | 5 | 682 | 655 | 75-69 | -2 | .245 | .729 | .282 | 4.06 | ||
| 1986 | 89-55 | .618 | 1st | - | 822 | 696 | 84-60 | 5 | .264 | .803 | .279 | 4.47 | X | |
| 1985 | 71-73 | .493 | 3rd | 13 | 893 | 925 | 69-75 | 2 | .270 | .796 | .294 | 6.06 | ||
| 1984 | 88-58 | .603 | 1st | - | 751 | 671 | 81-65 | 7 | .247 | .723 | .270 | 3.94 | X | X |
| 1983 | 99-47 | .678 | 1st | - | 726 | 484 | 99-47 | 0 | .227 | .695 | .242 | 2.96 | X | X |
| 1982 | 74-70 | .514 | 2nd | 12 | 776 | 677 | 81-63 | -7 | .265 | .780 | .280 | 4.29 | ||
| 1981 | 82-62 | .569 | 2nd | 4 | 644 | 506 | 88-56 | -6 | .259 | .739 | .279 | 3.23 | ||
| 1980 | 76-69 | .524 | 2nd | 1 | 632 | 637 | 72-73 | 4 | .257 | .727 | .287 | 4.06 | ||
| 1979 | 94-50 | .653 | 1st | - | 633 | 437 | 95-49 | -1 | .253 | .730 | .293 | 2.80 | X | X |
| 1978 | 64-80 | .444 | 4th | 5½ | 519 | 593 | 63-81 | 1 | .236 | .664 | .276 | 3.81 | ||
| 1977 | 56-84 | .400 | 4th | 27 | 569 | 730 | 54-86 | 2 | .229 | .657 | .268 | 5.07 | ||
| 1976 | 47-93 | .336 | 4th | 43 | 466 | 704 | 45-95 | 2 | .222 | .634 | .267 | 4.69 | ||
| 1975 | 83-57 | .593 | 2nd | 4 | 812 | 694 | 81-59 | 2 | .307 | .795 | .327 | 4.59 | ||
| 1974 | 77-64 | .546 | 1st | - | 562 | 545 | 72-69 | 5 | .250 | .653 | .282 | 3.38 | X | X |
| 1973 | 71-69 | .507 | 3rd | 7½ | 707 | 712 | 70-70 | 1 | .262 | .717 | .280 | 4.53 | ||
| 1972 | 64-76 | .457 | 3rd | 19 | 583 | 660 | 62-78 | 2 | .259 | .708 | .278 | 4.23 |