London Olympics | Men’s singles final

Andy Murray of Britain reacts after clinching victory over Switzerland’s Roger Federer in the gold-medal men’s singles tennis match on Sunday in London.  (Robert Gauthier / Los Angeles Times)

Andy Murray runs toward center court at Wimbledon as he celebrates his victory over Roger Federer in the men’s tennis singles final on Sunday.  (Robert Gauthier / Los Angeles Times)

Top-ranked Roger Federer, right, congratulates Andy Murray for his victory in the gold-medal men’s singles tennis match on Sunday..  (Victor R. Caivano / Associated Press)

Andy Murray celebrates with girlfriend Kim Sears after winning the gold medal on Sunday.  (Martin Bernetti / AFP/Getty Images)

Andy Murray volleys a shot against Roger Federer during their gold-medal match on Sunday in London.  (Leon Neal / AFP/Getty Images)

Roger Federer tries to track down a shot against Andy Murray during their men’s tennis singles final on Sunday.  (Andy Rain / EPA)

Bronze medalist Juan Martin del Potro of Argentina, gold medalist Andy Murray and silver medalist Roger Federer (from left) pose after receiving their medals for the men’s tennis singles competition at the London Olympics on Sunday.   (Julian Finney / Getty Images)