it was the clevelend cavaliers back in 92'
they lost 24
The New Jersey Nets
The LA Lakers have lost the most NBA titles with 11.
No NBA team has never lost a game.
Celtics
Don Nelson
The Celtics.
Chicago lost only 10 games
Boston Celtics
Cleveland Cavaliers
None
The Minneapolis/Los Angeles Lakers have lost in the championship finals 15 times.
Chicago Bulls