American Basketball Association

ABA: 1968-1976 (9 seasons)

Founded in 1967, the ABA distinguished itself from its older NBA counterpart with a more wide-open, flashy style of offensive play, as well as differences in rules—a 30-second shot clock and use of a three-point field goal arc, pioneered in the earlier ABL. Also, the ABA used a colorful red, white and blue ball, instead of the NBA's traditional orange ... read more ball. The freewheeling style of the ABA eventually caught on with fans, but the lack of a national television contract and protracted financial losses would spell doom for the ABA as an independent circuit. In 1976, its last year of existence, the ABA pioneered the now-popular slam dunk contest at its all-star game in Denver. The league succeeded in forcing a merger with the NBA in the 1976 offseason. Four ABA teams were absorbed into the older league: the New York Nets, Denver Nuggets, Indiana Pacers, and San Antonio Spurs. ... show less