Langer surges into U.S. Senior Open lead German Benhard Langer tees off on the 8th hole on the second day of the 140th Open Championship at Royal St Georges Golf club in Sandwich,England on Friday, July 15, 2011. ORION, Mich., July 14 (UPI) -- Bernhard Langer surged into a four-stroke lead at the U.S. Senior Open Saturday thanks to a sizzling round of 6-under 64. Langer, who hasn't won a Champions Tour event since February 2011, came within two strokes of equaling the 54-hole scoring record, ending at 10-under 200. Moving into a share of second place was Tom Pernice Jr., who registered a 4-under 66 on the Old Course at Indianwood Golf and Country Club. That performance put him at 6-under 204, tying him with Tom Lehman, Roger Chapman, John Huston and Corey Pavin -- all of whom shot 68s. One shot further back at minus-5 were Fred Couples (65), Fred Funk (67), Jay Haas (68) and Dick Mast (69).