1920 —The Dayton Triangles beat the Columbus Panhandles 14-0. And the Rock Island Independents beat Muncie Flyers 45-0 in the first ever NFL (then American Pro Football Association) games.
First game kicked off at Dayton’s Triangle Park in Ohio on Oct. 3, 1920.
Four thousand people paid $1.75 for admission, according to a 2005 Dayton Daily News story. Each player was paid $50.