The Williams sisters seemed down and out, but 2012 proved to be a career year for Serena Williams. Her comeback was the biggest story of the year, but not the only one.
Victoria Azarenka outgrunted Maria Sharapova to win in three loud sets, while Serena Williams lost just three games in her semifinal against No 10-seeded Sara Errani.
No. 10 seed Sara Errani is hoping her new racket, "Excalibur," will help her magically overcome Serena Williams in the U.S. Open semifinal.