Novak Djokovic launched his career in the shadow of Roger Federer and Rafael Nadal but has surpassed them both and is widely considered the greatest player of all time.

Novak Djokovic has a new coach, and it is one he has played against dozens of times in his career. Djokovic announced Saturday that he is hiring former

Djokovic split with his coach after six years earlier this summer, and he's counting on Andy Murray to help him prepare for the Australian Open.