U.S. Open 2018: Novak Djokovic discusses rivalry with Roger Federer Unknown 00:49 Ahead of another likely meeting with Roger Federer, Novak Djokovic talked up their rivalry. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsQiang Wang Dominates Garbine Muguruza to Make Elite Trophy FinalCrisis? What Crisis? Real Madrid Will be Fine, Says David BeckhamHIL to Return in New 5-a-side Look in 2019 for Both Men, WomenPro Kabaddi, U Mumba vs Puneri Paltan Highlights: As it HappenedSjoerd Marijne, David John Reason Behind Shock Retirement Decision, Says Sardar SinghAntoine Griezmann Stunner Not Enough as Atletico Madrid Held by Leganes
