<P> The National Football League (NFL) on Thanksgiving Day is a traditional series of games played during the Thanksgiving holiday in the United States . It has been a regular occurrence since the league's inception in 1920 . Currently, three NFL games are played every Thanksgiving . The first two are hosted by the Detroit Lions and the Dallas Cowboys; a third game, with no fixed opponents, has been played annually since 2006 . </P> <P> The concept of American football games being played on Thanksgiving Day dates back to 1876, shortly after the game had been invented, as it was a day that most people had off from work . In that year, the college football teams at Yale and Princeton began an annual tradition of playing each other on Thanksgiving Day . The University of Michigan also made it a tradition to play annual Thanksgiving games, holding 19 such games from 1885 to 1905 . The Thanksgiving Day games between Michigan and the Chicago Maroons in the 1890s have been cited as "The Beginning of Thanksgiving Day Football ." In some areas, high - school teams play on Thanksgiving, usually to wrap - up the regular - season . </P>

What teams play in the nfl on thanksgiving
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