Bob and Mike Bryan added an Olympic gold medal to their 11 Grand Slam titles with a 6-4 7-6 win over France's Jo-Wilfried Tsonga and Michael Llodra in the men's doubles at Wimbledon.
It was a second tennis gold for the United States on Saturday, after
France's Julien Benneteau and Richard Gasquet won the bronze medal.
The pair beat Spaniards David Ferrer and Feliciano Lopez 7-6 (7-4) 6-2.
After a closely fought first set, Benneteau and Gasquet broke twice in a row to take a comfortable lead in the second, before securing the win.