Serena Williams returns a shot to Maria Sharapova of Russia to win the women’s singles gold medal in London, at the 2012 Summer Olympics on Aug. 4, 2012. (Elise Amendola/AP Photo)
Serena Williams returns a shot to Maria Sharapova of Russia to win the women’s singles gold medal in London, at the 2012 Summer Olympics on Aug. 4, 2012. (Elise Amendola/AP Photo)
