LONDON, ENGLAND - NOVEMBER 10: Andy Murray of Great Britain, Novak Djokovic of Serbia, Stan Wawrinka of Switzerland, Milos Raonic of Canada, Kei Nishikori of Japan, Gael Monfils of France, Marin Cilic of Croatia and Dominic Thiem of Austria are introduced on stage at Cutty Sark on November 10, 2016 in London, England. (Photo by Julian Finney/Getty Images)
