Template:1990 AL East standings
| Team | W | L | Pct. | GB | Home | Road |
|---|---|---|---|---|---|---|
| Boston Red Sox | 88 | 74 | .543 | — | 51–30 | 37–44 |
| Toronto Blue Jays | 86 | 76 | .531 | 2 | 44–37 | 42–39 |
| Detroit Tigers | 79 | 83 | .488 | 9 | 39–42 | 40–41 |
| Cleveland Indians | 77 | 85 | .475 | 11 | 41–40 | 36–45 |
| Baltimore Orioles | 76 | 85 | .472 | 11½ | 40–40 | 36–45 |
| Milwaukee Brewers | 74 | 88 | .457 | 14 | 39–42 | 35–46 |
| New York Yankees | 67 | 95 | .414 | 21 | 37–44 | 30–51 |