Ralph Simpson's 74/75 Denver Nuggets' warm up jacket. Simpson, a 6'5'' guard from Michigan State, played for Denver's ABA team for 6 years and later played in the NBA for 3 seasons. Simpson, an excellent scorer, averaged 20 ppg. and played in 5 ABA all-star games. Denver had an ABA franchise for all 9 ABA seasons and was 1 of the 4 teams awarded an NBA franchise for the 76/77 season.