Game duration in American football

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A standard football game consists of four 15-minute (typically 12 minutes in high school football) periods (called quarters), with an intermission (called halftime) after the second quarter. The clock stops after certain plays; therefore, a game can last considerably longer … Read More

The rules of American football

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The Tennessee Titans and the Houston Texans in formation before a play Game play in American football consists of a series of downs, individual plays of short duration, outside of which the ball is dead or not in play. These … Read More

Popularity of American football

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The U.S. Naval Academy Midshipmen (left) face off against the Colorado State Rams. Since the 1960s, football has outranked baseball as the most popular spectator sport in the United States [1]. The 32-team National Football League (NFL) is the most … Read More

American football

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The New England Patriots (blue) playing offense, against the Philadelphia Eagles (white) in an NFL game. American football, known in the United States and Canada [1] simply as football, is a competitive team sport. The object of the game is … Read More