Rafael Nadal, of Spain, returns the ball to Albert Montanes, of Spain, at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Thursday, Feb. 20, 2014. (AP Photo/Silvia Izquierdo)
Rafael Nadal, of Spain, gestures during his match with Albert Montanes, of Spain, at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Thursday, Feb. 20, 2014. (AP Photo/Silvia Izquierdo)
Rafael Nadal, of Spain, returns the ball to Albert Montanes, of Spain, at the Rio Open tennis tournament in Rio de Janeiro, Brazil, Thursday, Feb. 20, 2014. (AP Photo/Silvia Izquierdo)
FC Barcelona's Neymar, from Brazil, is congratulated by his teammate Sergio Busquets after scoring against Rayo Vallecano during a Spanish La Liga soccer match at the Camp Nou stadium in Barcelona, Spain, Saturday, Feb. 15, 2014. (AP Photo/Manu Fernandez)
Hunter Mahan hits a chip shot on the 15th hole in his match against Gonzalo Fenz-Castano, of Spain, during the first round of the Match Play Championship golf tournament on Wednesday, Feb. 19, 2014, in Marana, Ariz. (AP Photo/Matt York)