What you missed at the World Tour Finals
Novak Djokovic won the ATP World Tour Finals. Roger Federer was the man he beat in the final.
You probably knew that by now.
But here are five things you might have missed over the past week at the year-end championships in London.
Tipsarevic: Djokovic can rule the world
Janko Tipsarevic is good buddies with Djokovic, so it's to be expected that Tipsarevic thinks highly of his fellow Serb and Davis Cup teammate.
What can Djokovic achieve in 2013? Whatever ...
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