Milos Raonic, of Canada, returns the ball to Damir Dzumhur, of Bosnia, during the Miami Open tennis tournament, Tuesday, March 29, 2016, in Key Biscayne, Fla.
Milos Raonic, of Canada, returns the ball to Damir Dzumhur, of Bosnia, during the Miami Open tennis tournament, Tuesday, March 29, 2016, in Key Biscayne, Fla. Luis M. Alvarez AP
Milos Raonic, of Canada, returns the ball to Damir Dzumhur, of Bosnia, during the Miami Open tennis tournament, Tuesday, March 29, 2016, in Key Biscayne, Fla. Luis M. Alvarez AP