“But at the same time, I look at Rafael Nadal and what he’s done to win seven French Open titles and Wimbledon.
“Being able to play with somewhat of a suspect knee, his way of motoring around the court and tracking shots down is quite uncanny.
“They’re very close. Are they great champions and do they have equal abilities? I’d say ‘yes’, they’re pretty much equal.”
"Federer has to beat Nadal(if he wants) to be considered the greatest ever, certainly in my book." Pete Sampras