Federer walks off into shadows with clock ticking

LONDON. Roger Federer slid his racket into his bag and walked off into the shadows of London’s o2 Arena on Sunday as his leanest season since 2001 came to a rather predictable end at the hands of Rafa Nadal.
Federer insists tennis is in his DNA and that he has no intention of quitting. Net photo
Federer insists tennis is in his DNA and that he has no intention of quitting. Net photo
Quartz