Tiger Woods of the U.S. flips his putter after missing an eagle putt on the 15th green during second round play in the 2011 Masters golf tournament at the Augusta National Golf Club in Augusta, Georgia, April 8, 2011. Tiger Woods roared back by playing his final 11 in 7-under. He's tied for third, just three shots back, after a nine-birdie round of 66.[Xinhua/Reuters Photo]