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  1. Copilot Answer
    NicknamesFootball · gridiron
    ContactFull
    Etymology and names

    In the United States, American football is referred to as "football". The term "football" was officially established in the rulebook for the 1876 college football season, when the sport first shifted from soccer-style rules to rugby-style … See more

    History

    American football evolved from the sports of rugby and soccer. Rugby, like American football, is a sport in which two competing teams vie for control of a ball, which can be kicked through a set of goalposts or run into the oppone… See more

    Teams and positions

    A football game is played between two teams of 11 players each. Playing with more on the field is punishable by a penalty. Teams may substitute any number of their players between downs; this "platoon" s… See more

    Rules

    In football, the winner is the team that has scored more points at the end of the game. There are multiple ways to score in a football game. The touchdown (TD), worth six points, is the most valuable scoring play in America… See more