LONDON, ENGLAND - NOVEMBER 18: (from L-R) Mats Wilander, John McEnroe, Boris Becker, Rafael Nadal and Chris Kermode present Lleyton Hewitt (2nd right) with the ATP Roll of Honour during day four of the Barclays ATP World Tour Finals at the O2 Arena on November 18, 2015 in London, England. (Photo by Clive Brunskill/Getty Images)
