RIO DE JANEIRO, BRAZIL - AUGUST 14:  Gold medalist Andy Murray of Great Britain hugs silver medalist Juan Martin Del Potro of Argentina after the Men's Singles Finals on Day 9 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 14, 2016 in Rio de Janeiro, Brazil. Murray defeated Del Potro 7-5, 4-6, 6-2, 7-5.  (Photo by Julian Finney/Getty Images)