Li Na, of China, holds up her trophy after losing to Serena Williams 7-5,6-1 in  the women's final at the Sony Open Tennis tournament in Key Biscayne, Fla., Saturday, March 29, 2014.  (AP Photo/Alan Diaz)

Key Biscayne Tennis

Li Na, of China, holds up her trophy after losing to Serena Williams 7-5,6-1 in the women's final at the Sony Open Tennis tournament in Key Biscayne, Fla., Saturday, March 29, 2014. (AP Photo/Alan Diaz)

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