Caption: In this June 14, 2008 file photo, Tiger Woods holds onto his knee as he comes out of a bunker on the fourth hole during the third round of the US Open championship at Torrey Pines Golf Course in San Diego. In his first public comments since winning the U.S. Open on a wounded knee, Tiger Woods discusses his knee surgery while promoting his PGA Tour event that he won't be playing, Monday June 30, 2008. (AP Photo/Charlie Riedel, File)