Swiss tennis player Roger Federer smiles during a press conference prior to the Laver Cup tennis tournament on February 20, 2017 in Prague. The first Laver Cup will be held in Prague, Czech Republic, from September 22 to 24, 2017. It will be a three-day tournament with a team of the six best tennis players from Europe playing against six of their counterparts from the rest of the World. The tournament has been named in honor of Australian tennis legend Rod Laver. / AFP / Michal Cizek (Photo credit should read MICHAL CIZEK/AFP/Getty Images)
