The Denver Nuggets were one of the four American Basketball Association teams (along with San Antonio, New Jersey, and Indiana) that entered the NBA in 1977. They have not won an NBA Championship. They also did not win a championship in the ABA. They were known as the Denver Rockets in their first season in the ABA, which was the 1967-1968 season. The Phoenix Suns entered the NBA in 1968 and have not won an NBA championship. The Cleveland Cavaliers and Los Angeles Clippers both entered the NBA in 1970 (the Clippers were the Buffalo Braves) and have not won an NBA championship.
It is the Boston Celtics that has the oldest team name in the NBA.
The oldest NBA team is the Philadelphia 76ers. The Philadelphia 76ers were founded in 1939 and has won 3 NBA championships.
The Boston Celtics
The Chicago Red Bulls play in the NBA's oldest arena.
No NBA team has never lost a game.
The NBA team with the oldest average age is Miami Heat. Players with the youngest average age are from the Cleveland Cavaliers.
San Antonio Spurs
The Philadelphia warriors.