Milos Raonic, of Canada, returns the ball to Guillermo Garcia-Lopez, of Spain, during the Sony Open tennis tournament, Monday, March 24, 2014, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

Sony Open Tennis

Milos Raonic, of Canada, returns the ball to Guillermo Garcia-Lopez, of Spain, during the Sony Open tennis tournament, Monday, March 24, 2014, in Key Biscayne, Fla. (AP Photo/Luis M. Alvarez)

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