26 September 1920 - the league team Rock Island Independents (won 48-0) against the nonleague St. Paul Ideals.
3 October 1920 - league teams Wheeling Stogies and Akron Pros (0-43)
1 October 1922 (name change from the American Professional Football Association to the National Football Association), the Columbus Panhandles and Akron Pros (0-36) and Hammond Pros and Buffalo All-Americans (0-7).