Philadelphia in 1980.
The 76ers lost the 1980 NBA finals to the Lakers 4-2.
The Flyers lost the 1980 Stanley Cup to the Islanders 4-2.
The Phillies defeated the Royals in the 1980 World Series 4-2.
And the trick (and, of course, maybe I am wrong based on how the question is meant to be answered) ... the Eagles played in Super Bowl XV, held in 1981 but is the NFL Championship game for the 1980 season. They lost to the Raiders 27-10.
Three, Liverpool, Chelsea and Manchester United.
The United States played against Ghana, Portugal and Germany in the Group Stage, and Belgium in the Round of 16.
Manchester United beat Barcelona and Bayern Munich.
2004
There are a total of 8 teams, singles or pairs at the quarter-finals of a tournament.
Barcelona which is about as good as Chivas de Guadalajara & Manchester United.
Considering that their are 8 teams in the quarter finals and their are 4 groups, two teams from each group advance to the quarter finals.
Canada (7 teams) United States (23 teams)
32
The Detroit Pistons in the 2004 Finals and the Boston Celtics in the 2008 Finals.
1995-96 season, when Blackburn, the only English team, finshed bottom of their group.
2010 season was Blackpool, West Brom and Newcastle United