​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 Milwaukee Bucks gives out hand sign instructions to his players during the NBA Pacific Division basketball game against the Los Angeles Lakers on 23rd November 1986 at The Forum arena in Inglewood, Los Angeles, California, United States. The Lakers won the game 127 - 117. (Photo by Otto Greule Jr/Allsport/Getty Images)