Sampras tips Nadal to surpass Federer's grand slam record — reuters.com

(Reuters) - Pete Sampras has tipped Rafa Nadal to beat Roger Federer's 17 grand slam titles, saying he has never seen anything like the powerhouse Spaniard. American Sampras saw Federer go past his own 14 grand slams, and Nadal will draw level if he beats Switzerland's Stanislas Wawrinka in Sunday's Australian Open final. "He's incredible," Sampras said in a BBC interview after witnessing Nadal in action for the first time live on Friday.

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