Rafael Nadal is officially back in top form after missing much of last year with an injury. After winning his fifth French Open championship without losing a set, he now trails Bjorn Borg’s record of six French Open titles by one.

These next few months are huge for Nadal. With seven Grand Slam titles, he has to be aiming high for that end-of-career number. Chances are slim to none he can catch Roger Federer's 16, but Borg and Rod Laver have 11; Roy Emerson has 12; Pete Sampras has 14. How high can he go on that list? Plus, only six men have completed the career Grand Slam, and Nadal is without a U.S. Open title. It's going to be a very interesting summer….

Rafael Nadal is officially back in top form after missing much of last year with an injury. After winning his fifth French Open championship without losing a set, he now trails Bjorn Borg’s record of six French Open titles by one.

These next few months are huge for Nadal. With seven Grand Slam titles, he has to be aiming high for that end-of-career number. Chances are slim to none he can catch Roger Federer's 16, but Borg and Rod Laver have 11; Roy Emerson has 12; Pete Sampras has 14. How high can he go on that list? Plus, only six men have completed the career Grand Slam, and Nadal is without a U.S. Open title. It's going to be a very interesting summer….

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