Exclusive: Novak Djokovic hails Roger Federer ahead of Laver Cup farewell - 'His greatness will live forever'
Novak Djokovic has paid tribute to his old rival, Roger Federer, ahead of the legendary player bidding farewell to competitive tennis on Friday. Federer has been confirmed as partnering with another of his great rivals and friends, Rafael Nadal, in the doubles rubber on the opening night of the Laver Cup. Ad The 41-year-old is to bow out from the sport after the event at the O2 Arena in London and Friday's doubles match against Jack Sock and Frances Tiafoe of Team World will be his farewell match.


