Tags: Golf Player.
Jack D. Rule Jr. (born November 13 1938) is an American professional golfer who played on the PGA Tour in the 1960s.Rule was born in Mason City Iowa and grew up in Waterloo Iowa. He defeated Jack Nicklaus in the 1956 U.S. Junior Amateur semi-finals but lost to Harlan Stevenson in the finals. He graduated from the University of Iowa and turned professional in 1961.Rule won twice on the PGA Tour the 1963 St. Paul Open Invitational and the 1965 Oklahoma City Open Invitational.