Dallas defeated Miami 24-3 in Super Bowl VI at New Orleans, January 16. The CBS telecast was viewed in an estimated 27,450,000 homes, the top-rated one-day telecast ever.
The inbounds lines or hashmarks were moved nearer the center of the field, 23 yards, 1 foot, 9 inches from the sidelines, March 23. The method of determining won-lost percentage in standings changed. Tie games, previously not counted in the standings, were made equal to a half-game won and a half-game lost, May 24.
Robert Irsay purchased the Los Angeles Rams and transferred ownership of the club to Carroll Rosen-bloom in exchange for the Baltimore Colts, July 13.
William V. Bidwill purchased the stock of his brother Charles (Stormy) Bidwill to become the sole owner of the St. Louis Cardinals, September 2.
The National District Attorneys Association endorsed the position of professional leagues in opposing proposed legalization of gambling on professional team sports, September 28.
Franco Harris's 'Immaculate Reception' gave the Steelers their first postseason win ever, 13-7 over the Raiders, December 23.