Don Nelson, second-winningest NBA coach, dies at 86

Don Nelson, the second-winningest coach in NBA history, died Sunday at the age of 86, his family said. Nelson spent the final years of his life in Hawaii and had largely stayed out of the public eye in recent years due to health problems, according to his family. During his playing career, Nelson won five NBA championships with the Boston Celtics. As a head coach, he led the Milwaukee Bucks, Golden State Warriors, Dallas Mavericks and New York Knicks over a long career in American professional basketball, becoming one of the most influential figures in the sport. Known for his innovative approach to the game, Nelson built a reputation as one of the most influential coaches in U.S. professional basketball. His death drew widespread reaction from the basketball community.