The 1977 U.S. Open was the 77th U.S. Open, held June 16–19 at Southern Hills Country Club in Tulsa, Oklahoma. Hubert Green won the first of his two major titles, one stroke ahead of runner-up Lou Graham, the 1975 champion. U.S. Open 1977: June 16–19, 1977 at Southern Hills Country Club. Champion: Hubert Green, at 278 (−2). Wiki link