US world 100m silver medalist Tyson Gay had an arthroscopic procedure on his injured right hip and will not run again this year, his manager said Thursday. Gay, the world's second fastest man behind Usain Bolt, had the surgery Tuesday in Vail, Colorado, Mark Wetmore said in a statement. “The doctor was pleased with the outcome and believes Tyson will resume his normal base training in the fall as he prepares for 2012,” said Wetmore. The frequently-injured Gay had hoped to race Jamaica's Bolt in the headline event of August's world championships but was forced to withdraw from the US world trials 100m semifinals last month because of the hip injury. He will now focus on recovering and preparing for the 2012 London Olympics and an anticipated showdown with Bolt. Although one of the top sprinters of all-time and the American 100m record holder at 9.69 seconds, he has never won an Olympic medal. The surgery should give him another chance. “The procedure, which addressed an impingement in his hip, went just as expected — with no surprises or complications,” Dr. Marc Philippon said in a statement. “Tyson is already doing range-of-motion, active rehabilitation and I expect him to resume normal training after six-to
