Don Nelson, second-winningest NBA coach who won 5 titles as a Celtics player, dies at 86

Don Nelson, the second-winningest coach in NBA history who won five championships as a player with the Boston Celtics, died Sunday. He was 86.

​ Don Nelson, the second-winningest coach in NBA history who won five championships as a player with the Boston Celtics, died Sunday. He was 86. Read More Breaking News, Latest News and Videos | CNN