Novak Djokovic has sent out a defiant statement to his rivals on the tour after his victory against Milos Raonic at the ATP World Tour Finals.
The Serb dropped to world No. 2 after a below-par second half of the season after winning the French Open.
The 29-year-old was replaced by Andy Murray at the top of the world rankings and some questioned whether this was the beginning of the end for Djokovic.
But after a battling 7-6 (8-6) 7-6 (7-5) victory over […]