Can Murray light it up in London?
Each of the big four won a Grand Slam title in 2012, but Andy Murray additionally grabbed Olympic gold. If he wins the World Tour Finals, how can Murray not be considered the men's MVP?
Murray must contend with defending champion Roger Federer, Novak Djokovic and five others but, sadly, not Rafael Nadal, who is still recovering from a knee injury.
Here's an analysis of both groups, accompanied by our fearless forecast.Group A
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