Russian Tennis player Maria Sharapova, left, and Ana Ivanovic from Serbia smile as they pose for photos during a press conference in Bogota, Colombia, Thursday, Dec. 5, 2013. Sharapova and Ivanovic will play on an exhibition game Friday.(AP Photo/Fernando Vergara)

Colombia Tennis Exhibition

Russian Tennis player Maria Sharapova, left, and Ana Ivanovic from Serbia smile as they pose for photos during a press conference in Bogota, Colombia, Thursday, Dec. 5, 2013. Sharapova and Ivanovic will play on an exhibition game Friday.(AP Photo/Fernando Vergara)

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