Oscar Robertson is known as one of the best players in NBA history, a triple-double machine who set the stage for the versatility of today's NBA superstars like LeBron James, Russell Westbrook, and Draymond Green. But The Big O's larger legacy may lie in spearheading the fight for his fellow players' financial equity and free agency, joined by fellow stars John Havlicek, Bill Bradley, Wes Unseld, ...