Article Photos: U.S. Open: Hunter Mahan in the hunt at Merion, one shot off the lead 1/1

Hunter Mahan tees off on the ninth hole during the third round of the U.S. Open golf tournament at Merion Golf Club, Saturday, June 15, 2013, in Ardmore, Pa. (AP Photo/Gene J. Puskar) ORG XMIT: USO227