New York Yankees (AAFC) - Wikipedia

Florida Complex League Yankees, Minor League Baseball Wiki

Brooklyn-New York Yankees - History

Snows of December Evoke Memories of the New York Football Yankees « The Captain's Blog

My favorite 49ers memorabilia item is a program from the team's first-ever regular season game in 1946. : r/49ers

Revising Defunct NFL Franchises: Boston Yanks. 10 of 10 : r/nfl

All-America Football Conference - 1948 AAFC Teams

Timeline of the National Football League - Wikipedia

Does Doug Flutie belong in the Pro Football Hall of Fame thanks to his achievements in the Canadian Football League? - Quora

Charley Trippi - Wikipedia

Yankee Stadium - Wikipedia

A Brief History of the National–American Football League (1949-50) – – The Blog

New York Yankees - Wikipedia