ST. SIMONS ISLAND, Ga. -- With no one making a run, Michael Thompson may be able to play it safe and defend his 16 under mark to win the McGladrey Classic. The rookie is 3 under at the turn and was only tested twice on the front nine. They golfer they call “Slick” holed a 4-footer for par on No. 8 and a 6-footer on No. 9 to stay at 16 under around the turn. Thompson leads Webb Simpson by three shots. Simpson is 2 under on the day through the front nine. Four back is Louis Oosthuizen. The 2010 British Open champion is 3 under for his round. Billy Horschel, the 36-hole leader who is playing in the final pairing with Thompson, is 3 over and now seven shots off the pace. In need of a strong finish to secure his TOUR card for 2012, Horschel currently projects to No. 133 on the Money list.