Novak Djokovic headlines the 2017 Mubadala World Tennis Championship line-up. Paul White / AP Photo
Novak Djokovic headlines the 2017 Mubadala World Tennis Championship line-up. Paul White / AP Photo
Djokovic's challenge against Federer and Nadal will make for exciting 2018
It will be intriguing to see if fit-again 12-time grand slam champion can return to best next season
Graham Caygill
05 November, 2017