By 1990, Wrigley Field had last hosted an All-Star Game in 1962 — and that only because from 1959-62, MLB had two All-Star Games per year, with the extra proceeds going to help the MLB players pension fund.
So everyone in Chicago was excited about the first Midsummer Classic in Wrigley in 28 years, and the first in the city since the 1983 ASG at the old Comiskey Park.
The awful Home Run Derby the previous day should have been a clue of the bad evening players and fans would have at the actual game.