Bob McAdoo is another great who had a short stint with the Celtics. The sweet-shooting 6-foot-9 forward out of North Carolina played 20 games with Boston in 1978-79. He earns his spot on this list of the rest of his resume. He averaged 22 ppg and 9 rpg and earned induction into the Hall of Fame in 2000. McAdoo was a three-time NBA scoring champion, two-time champion and league MVP in 1974-75.