(FILES) Golden State Warriors coach Don Nelson watches the action as the Warriors play the Milwaukee Bucks during an NBA preseason exhibition game in Beijing on 18 October, 2008 at the Beijing Basketball Arena. The Golden State Warriors defeated the Milwaukee Bucks 109-108. AFP PHOTO/Frederic J. BROWN. Don Nelson, the second-winningest coach in NBA history and a five-time champion as a player with the Boston Celtics, died on August 9, his family announced. He was 86. Nelson was a member of five NBA championship teams with Boston from 1966 to 1976 and the Celtics retired his jersey number 19. (Photo by Frederic J. BROWN / AFP via Getty Images)