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Wikipedia: List of non-Gaelic games played in Croke Park

Anchor text: Salinas Packers; California Pro American Football 1936-1937

Wikipedia: Pacific Coast Professional Football League

Anchor text: Pacific Northwest Football League 1980

Wikipedia: Pacific Coast Professional Football League

Anchor text: Armco Semi-Pro Football Teams 1924-1929

Wikipedia: Ohio League

Anchor text: Indiana State Football Championship 1920

Wikipedia: 1920 Muncie Flyers season

Wikipedia: 1919 in Canadian football

Wikipedia: Drogheda Lightning

Anchor text: Trinity Professional Spring Football League 2018

Wikipedia: Minor league football (gridiron)

Wikipedia: Lena Rea

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Wikipedia: Wikipedia:Articles for deletion/Belfast Bulls