Is Roger Federer the greatest to play tennis? It seems hard to argue. He's won all of the Grand Slams, including Wimbledon seven times after Sunday's four-set win over Andy Murray. And he's No. 1 in the world again. Pete Sampras was my favorite player, but Federer has surpassed him. Sunday's win, the 17th major for Federer, cemented it. There's no other way around it.
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