'Warrior' Murray's career ends in Olympic Games defeat

The former world number one and three-time Grand Slam title winner slipped into retirement when he and Dan Evans were defeated in the men's doubles quarter-finals. American pair Taylor Fritz and Tommy Paul delivered the knockout blow with a 6-2, 6-4 victory on a packed Court Suzanne Lenglen. The 37-year-old Murray had already announced that the Olympics would be his last event. "An incredible competitor on the court," said career-long rival Novak Djokovic on Thursday. "One of the greatest warriors tennis has seen.