GIJON, SPAIN - SEPTEMBER 16: David Ferrer of Spain serves the ball to John Isner of the United States during day three of the semi final Davis Cup between Spain and the United States at the Parque Hermanos Castro on September 16, 2012 in Gijon, Spain. (Photo by Manuel Queimadelos Alonso/Getty Images)
GIJON, SPAIN - SEPTEMBER 16: David Ferrer of Spain serves the ball to John Isner of the United States during day three of the semi final Davis Cup between Spain and the United States at the Parque Hermanos Castro on September 16, 2012 in Gijon, Spain. (Photo by Manuel Queimadelos Alonso/Getty Images)