Madison Keys waves after defeating Anett Kontaveit, of Estonia, 6-3, 6-2 during the Sony Open tennis tournament, Wednesday, March 19, 2014, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

Sony Open Tennis

Madison Keys waves after defeating Anett Kontaveit, of Estonia, 6-3, 6-2 during the Sony Open tennis tournament, Wednesday, March 19, 2014, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

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