Novak Djokovic's retirement during his Australian Open semifinal match against Alexander Zverev raises questions about his season following a thigh injury.
Novak Djokovic posted a scan of his injured left hamstring on social media early Sunday, more than 24 hours after being booed ...
Novak Djokovic has taken to social media to dispel rumours about his injury. But he may have shared a little more than just a ...