13. Buck Williams

One of the great power forwards of all-time, Buck Williams was a blue collar player who excelled under the boards.  A solid low post scorer, Williams is best remembered for his ability to rebound and defend.  Although not as flashy as some of his generation, his long career is a testament to hard work.  Tenth all time in games played and one of only seven players to score 16,000 points and grab 13,000 rebounds, Williams never played on a championship team but was a huge part of some very successful teams.  More importantly he played the game the way it was supposed to be played and always showed up for battle.