His world-class mechanics propelled him to a record 14 Grand Slam titles and six straight years ranked No. 1. Today, Pete Sampras can still strut his stuff, but don't be fooled -- retirement is that much better.
2007 saw the resurgence of the Williams sisters, Justine Henin's second straight finish at No. 1 and two startling retirements. Joel Drucker looks back at the most notable moments of the past 12 months on the WTA Tour.