A look at key anniversaries in British Open history:
150 years ago (1866): Willie Park Sr. won his third British Open at Prestwick by posting the lowest scores of the opening two rounds (54-56) to build a five-shot lead. He closed with a 59 for a two-shot victory over his brother, David Park. Old Tom Morris finished fourth, while Young Tom Morris finished ninth in his second Open. Twelve players completed the championship. All of them were from Scotland. Park's first prize was 6 pounds.
125 years ago (1891): In the final year that the British Open was contested over 36 holes in one day, Hugh Kirkaldy had rounds of 83-83 to beat his brother, Andrew Kirkaldy, and Willie Fernie by two shots at St.