No. 3 All-Time – Tommy Heinsohn (1956-65)
Another eight-time champion, Heinsohn was part of the initial core along with Bill Russell — who he beat out for rookie of the year in 1957 — that launched the behemoth which dominated the league throughout the next decade.
The Holy Cross product would be elected to six All-Star Games and four All-NBA Second Teams during his nine-year NBA career, all of which was with the Celtics. Heinsohn would average 18.6 points, 8.8 boards and 2 assists per game in that stretch.