1981 Event 81st U.S. Golf Open: David Graham shoots 273 at Merion Golf Club in Ardmore, Pennsylvania 1971 Event 71st U.S. Golf Open: Lee Trevino shoots a 280 at Merion Golf Club in Ardmore, Pennsylvania 1950 Event 50th U.S. Golf Open: Ben Hogan shoots a 287 at Merion Golf Club PA 1934 Event 38th U.S. Golf Open: Olin Dutra shoots a 293 at Merion Cricket Club PA
