Wimbledon Preview: Upsets in the Making?

Wimbledon is hours away, and with it compelling matches. Rafael Nadal, who was forced to withdraw last year with tendinitis in his knees, is back and healthy. "Rafa" enters the fortnight as the No. 1 ranked player in the world, yet is the No. 2 seed in the tournament behind Roger Federer. Federer is seeking his seventh title at the All England Club.

On the women's side, the Williams sisters have dominated Wimbledon since 2000. Serena and Venus have claimed 8 of the last 10 Wimbledons and are ranked #1 and #2 respectively. ESPN's Patrick McEnroe, Brad Gilbert and Mary Joe Fernandez discuss some players who may give the top-seeds a run for their money. Action begins Monday 6:30am ET on ESPN, ESPN3.com.

Note: The Elias Sports Bureau and ESPN Stats and Information group contributed to this report.