NBA History: 25 former NBA stars you forgot dominated the league 

Gilbert Arenas
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22) Jack Twyman 

NBA legend Jack Twyman was a prolific scorer during the 1950s and 1960s but isn't as well-known as he should be. Twyman spent his entire 11-season career playing for the Rochester Royals and Cinninatti Royals, which later became the Sacramento Kings and established himself as a dominant offensive player. 

At his best, Twyman averaged 26.2 points, 8.6 rebounds, and 3 assists per game over a four-season span from 1958-59-1961-62. That is made all the more impressive by his above-league-average shooting percentage over the course of his career, even leading the NBA in field-goal percentage during an era known for inefficiency. He also finished his career as a six-time all-star and a then-top-20 all-time scorer with nearly 16,000 points. 

Had he not retired at 31, he would have easily reached 20,000 points and potentially finished as the NBA's all-time leading scorer at the time. Even still, he made the Basketball Hall of Fame, but unfortunately, he isn't as remembered as other players of his generation, such as Bob Cousy, Bill Russell, and Bob Petit. That doesn't take away from his greatness, but it doesn't make him known among the younger generations.