"Larry Legend" played his entire 13-year career with the Boston Celtics, and his rivalry with Los Angeles Lakers guard Earvin "Magic" Johnson catapulted the league to new heights. Bird's sharp shooting, pinpoint passing and rugged rebounding helped the Celtics win NBA titles in 1981, 1984 and 1986. The high-flying "Dr. J" was the ABA's brightest star before the merger, and he dominated the NBA, too.