Don Nelson, the second-winningest coach in NBA and Dallas Mavericks history, dies at 86 Dallas NewsDon Nelson, second-winningest coach in NBA history, dies at 86 ESPNDon Nelson, Celtics great who won five titles before revolutionizing coaching, dies at 86 The Boston Globe"One of the big reasons I was drafted by the Warriors … Yahoo SportsDon Nelson, Hall of Fame N.B.A. Coach and Celtics Star, Dies at 86 The New York Times