On which course did golfer Mark Calcavecchia win his only (British) Open?
1989 Open Championship "Cumulative playoff scores, relative to par" 1989 Open Championship The 1989 Open Championship was a men's major golf championship and the 118th Open Championship, held from 20–23 July at the Royal Troon Golf Club in Troon, Scotland. Mark Calcavecchia won his only major championship in a playoff over Greg Norman and Wayne Grady. It was the first playoff at the Open in fourteen years and the first use off the four-hole aggregate playoff, adopted in 1985. The playoff was formerly 18 holes the following day (and 36 holes prior to 1964). Calcavecchia was the first American champion at The Open
Mark Calcavecchia "T" indicates a tie for a place "Results are not in chronological order prior to 2017." CUT = missed the halfway cut<br> WD = withdrew<br> "T" indicates a tie for a place Professional Mark Calcavecchia Mark John Calcavecchia (born June 12, 1960) is an American professional golfer and a former PGA Tour member. During his professional career, he won 13 PGA Tour events, including the 1989 Open Championship. He plays on the Champions Tour as well as a limited PGA Tour schedule that includes The Open Championship. Calcavecchia was born in Laurel, Nebraska. While he was a teenager, his family