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(L to R) Swiss tennis team Marco Chiudinelli, Roger Federer, Severin Luethi, Michael Lammer, and Stan Wawrinka gesture as they celebrate winning the Davis Cup semi-final between Switzerland and Italy on September 14, 2014 in Geneva. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)

(L to R) Swiss tennis team Marco Chiudinelli, Roger Federer, Severin Luethi,  Michael Lammer, and Stan Wawrinka gesture as they celebrate winning the Davis Cup semi-final between Switzerland and Italy on September 14, 2014 in Geneva. AFP PHOTO / FABRICE COFFRINI        (Photo credit should read FABRICE COFFRINI/AFP/Getty Images)