see more

LONDON, ENGLAND - NOVEMBER 09: Rafael Nadal of Spain poses with the ATP World Tour No. 1 award and the Comeback Player of the Year award during day six of the Barclays ATP World Tour Finals at O2 Arena on November 9, 2013 in London, England. (Photo by Clive Brunskill/Getty Images)

LONDON, ENGLAND - NOVEMBER 09:  Rafael Nadal of Spain poses with the ATP World Tour No. 1 award and the Comeback Player of the Year award during day six of the Barclays ATP World Tour Finals at O2 Arena on November 9, 2013 in London, England.  (Photo by Clive Brunskill/Getty Images)