​FILE - AUGUST 09: Don Nelson, the second-winningest coach in NBA history who won five championships as a Boston Celtics player, died on August 9. He was 86. Don Nelson, Head Coach for the Golden State Warriors looks on from the sideline with hands on hips during the NBA Pacific Division basketball game against the Los Angeles Lakers on 18th November 1990 at the Great Western Forum arena in Inglewood, Los Angeles, California, United States. The Lakers won the game 115 - 93. (Photo by Ken Levine/Allsport/Getty Images)