2015 Davis Cup champion Jamie Murray announces retirement – Davis Cup – The World Cup of Tennis daviscup.comBritish doubles legend Murray retires from tennis BBCJamie Murray retires from tennis The TelegraphBritain’s two-time Wimbledon champion, 40, announces retirement and hails family’s ‘sacrifices’ to help him succeed The SunJamie Murray’s career journey: From Dunblane to world No.1 LTA