BUENOS AIRES, ARGENTINA - APRIL 06: David Nalbandian of Argentina leaves the court after loosing against Marin Cilic in five sets during the series between Argentina and Croatia for the quarterfinals of the Davis Cup at Mary Teran de Weiss stadium on April 06, 2012 in Buenos Aires, Argentina. (Photo by Charly Diaz Azcue/LatinContent via Getty Images)