ABU DHABI, UNITED ARAB EMIRATES - JANUARY 03:  Andy Murray of Great Britain receives the trophy  from Khaldoon Al Mubarak, CEO of Mubadala after winning the  Mubadala World Tennis Championship at Zayed Sport City on January 3, 2015 in Abu Dhabi, United Arab Emirates, following the withdrawal of Novak Djokovic of Serbia from the final match due to illness.  (Photo by Francois Nel/Getty Images)