Federer and Nadal to team up on Day 3 of Laver Cup as Team World narrows the gap (September 21, 2019) Roger Federer and Rafael Nadal will again form a formidable doubles team as they face Team World’s John Isner and Jack Sock on Day 3.   Team World’s Nick Kyrgios and Jack Sock remain undefeated in doubles at the Laver Cup, posting a stunning Day 2 victory over Europe’s … [Read more...] about Federer and Nadal to team up on Day 3 of Laver Cup