He leads the list of all-time Grand Slam winners because he funneled everything he had into the game. No one could have scripted his made-for-Hollywood ending better. It's no wonder Pete Sampras is ESPN.com's No. 1 Living Legend.
What might be Roger Federer's greatest gift to tennis? Bonnie D. Ford writes that Federer is so dominant that he has forced the rest of the field to try and get better. And that's made the men's game more exciting.