This Day in Open Ch. Golf--July 23
The 1989 Open ended on this date, with Mark Calcavecchia winning a four-hole playoff over a pair of Australians, Greg Norman and Wayne Grady, at Troon. "Calc" played the four holes in 2 under par, Grady 1 over and Norman was given an "X". Other Sunday Open finishes on July 23 include 1995, 2000 and 2006.