Defending champion Serena Williams is a six-time winner at the Sony Open, collecting more trophies than she's won at any other tournament. That surpasses the five titles won at three of four Grand Slam events - the Australian Open, Wimbledon and U.S. Open. It feels home.'' Williams opens the defense of her title Thursday when she plays the winner of the first-round match between Yaroslava Shvedova of Kazakhstan and Francesca Schiavone of Italy. She lost in the fourth round of the Australian Open to Ana Ivanovic and in Dubai, she lost in the semifinals to 23rd-ranked Alize Cornet. More...