1980 Open Championship 1980 Open Championship The 1980 Open Championship was a men's major golf championship and the 109th Open Championship, held from 17–20 July at Muirfield Golf Links in Gullane, Scotland. Tom Watson won his third Open Championship, four strokes ahead of runner-up Lee Trevino. It was the fourth of Watson's eight major titles; he won two additional Opens in 1982 and 1983. It was Watson's first win in a major in three years. Trevino, 40, had won the last Open played at Muirfield in 1972, successfully defending his 1971 title and ending the grand slam bid of Jack Nicklaus. Nicklaus, also
John O'Leary (golfer) the Great Britain and Ireland Ryder Cup team, but lost all four of his matches. "Note: O'Leary only played in The Open Championship."<br> CUT = missed the half-way cut (3rd round cut in 1975, 1976 and 1980 Open Championships)<br> WD = Withdrew<br> "T" = tied John O'Leary (golfer) John O'Leary (born 18 August 1949) is an Irish professional golfer. O'Leary was born in Dublin. He turned professional in 1970 and played on the European Tour until 1989. Despite finishing highly on the Order of Merit every season though 1987, he won only twice on the tour. His first title came