Time waits for no man, not even Federer

By Pritha Sarkar LONDON (Reuters) - When Roger Federer found himself sprawled face down on his beloved Wimbledon turf on Friday as a flying forehand winner from Milos Raonic whizzed past it looked like the "old guy" of tennis had nothing left in the tank. Instead of heading for the baseline after getting back on his feet in the fourth game of the fifth set, Federer slumped into his chair and started to rub down both legs with a towel. The crowd started to chuckle, wondering if he was staging a s