Who invented American football?

that statement is incorrect! so was the google searching ability -

Stagg - born 1862,
Yost - born 1871 ,
Warner - born 1871,
Heisman - born 1869

those people mentioned below do not make any impact toward the game for at least more than a decade or later in time

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It was more of a group of people and here are some: Amos Alonzo Stagg, Fielding Yost, Pop Warner, and John Heisman. Hope this helped!

~think before you ask questions... sometimes you can use an amazing thing to answer them... it's called google!!

Answer

Gridiron football (not futbol or soccer) was actually born in Canada by British soldiers against civilians in a game in Toronto on November 9, 1861. It has been modified since then.