Federer, Nadal to lead Laver parade; Del Potro replaced by Tiafoe
(WorldNews Sport)

PRAGUE - Roger Federer and Rafael Nadal, the top two players in tennis, will lead the ceremonies during Wednesday`s official presentation of the new Laver Cup competition in Prague. The pair of icons - rivals for a decade and a half at the top of the sport - are paired on the European side of Bjorn Borg, which is facing John McEnroe`s World selection. American Francis Tiafoe was named on Tuesday as a late...