Rafael Nadal, of Spain, hits autographed balls to fans after beating Richard Gasquet, of France, during the semifinals of the 2013 U.S. Open tennis tournament, Saturday, Sept. 7, 2013, in New York. (AP Photo/Charles Krupa)

Photo by: Charles Krupa

Rafael Nadal, of Spain, hits autographed balls to fans after beating Richard Gasquet, of France, during the semifinals of the 2013 U.S. Open tennis tournament, Saturday, Sept. 7, 2013, in New York. (AP Photo/Charles Krupa)