SPO-TEN-WTA-SONY-OPEN---DAY-13

KEY BISCAYNE, FL - MARCH 29: Serena Williams of the USA returns the ball against Na Li of China during their Women's Final match on day 13 of the Sony Open at Crandon Park Tennis Center on on March 29, 2014 in Key Biscayne, Florida. Al Bello/Getty Images/AFP == FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==