Maria Sharapova of Russia signs autographs after defeating compatriot Olga Puchkova in their women's singles match at the Australian Open tennis tournament in Melbourne, January 14, 2013. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)
Maria Sharapova of Russia signs autographs after defeating compatriot Olga Puchkova in their women's singles match at the Australian Open tennis tournament in Melbourne, January 14, 2013. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS TPX IMAGES OF THE DAY)