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American Football: NFL Rules & Players

78 cards · 🇺🇸 English

Rules, history and star players of American football.

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What is American football?

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  1. 1What is American football?
    A team sport played by two teams of eleven players on a rectangular field with goalposts at each end, where the offense attempts to advance an oval-shaped ball while the defense tries to stop them
  2. 2When was the first American football game played?
    November 6, 1869, between Rutgers and Princeton in New Brunswick, New Jersey, using rules based on soccer at the time
  3. 3Who is known as the 'Father of American Football'?
    Walter Camp, who established concepts including the snap, line of scrimmage, eleven-player teams, and the concept of downs from 1880 onward
  4. 4What two sports did American football evolve from?
    Soccer (association football) and rugby
  5. 5How many players are on each American football team on the field?
    11 players per team, with both teams allowed to freely substitute players between downs
  6. 6What is a down in American football?
    One play or attempt to advance the ball; the offense gets a series of four downs to advance at least ten yards
  7. 7What happens if the offense advances at least ten yards in four downs?
    They are awarded a new set of four downs to continue their drive
  8. 8What happens if the offense fails to advance ten yards in four downs?
    Possession of the football is turned over to the defense (turnover on downs)
  9. 9What is a touchdown worth?
    Six points—the most valuable scoring play, scored when the ball is advanced into, caught, or recovered in the opposing team's end zone
  10. 10What is a PAT (point-after-touchdown)?
    A single scoring opportunity after a touchdown; worth 1 point if kicked through goalposts (extra point) or 2 points if scored by what would normally be a touchdown (two-point conversion)
  11. 11What is a field goal worth?
    Three points, scored when the ball is place kicked or drop kicked through the uprights and over the crossbars of the defense's goalposts
  12. 12What is a safety in American football?
    Scored when the ball carrier is tackled in their own end zone; worth two points awarded to the defense, the least common method of scoring
  13. 13What are the dimensions of an American football field?
    120 yards (110 m) long and 53⅓ yards (48.8 m) wide, with 10-yard end zones at each end
  14. 14How far inward from each end line are the goal lines marked?
    10 yards (9.1 m) inward from each end line
  15. 15How high is the crossbar on the goalposts?
    10 feet (3.0 m) above the ground
  16. 16How far apart are the goalposts in professional/college play?
    18 feet 6 inches (5.64 m) apart in professional and collegiate play; 23 feet 4 inches (7.11 m) in high school
  17. 17What is the shape of an American football?
    A prolate spheroid (oval) leather ball similar to balls used in rugby
  18. 18How much does an American football weigh?
    14 to 15 ounces (400 to 430 g)
  19. 19How long do professional and college football games last?
    60 minutes total, divided into two halves of 30 minutes and four quarters of 15 minutes
  20. 20How long do high school football games last?
    48 minutes total, with two halves of 24 minutes and four quarters of 12 minutes
  21. 21What is the snap?
    The process where the center passes the ball backwards and between their legs to the quarterback to start a play
  22. 22What is the line of scrimmage?
    The imaginary line where the ball is placed before each down; players cannot cross this line until the ball is snapped
  23. 23What is the neutral zone?
    A zone along the width of the football before the snap where no players except the center are allowed until the ball is snapped
  24. 24How many forward passes are allowed per down?
    Only one forward pass per down, and it must be attempted from behind the line of scrimmage
  25. 25Can players pass the ball backwards in American football?
    Yes, players can pass the ball backwards (lateral pass) at any point during a play, similar to rugby
  26. 26What is a punt?
    A kick where the punter drops the ball and kicks it before it hits the ground, typically used on fourth down to force the other team to start farther down the field
  27. 27What is the role of the quarterback?
    The leader of the offense who calls or receives plays, takes the snap, and then hands off, throws, or runs with the ball
  28. 28What is the primary role of the running back?
    To carry the ball on running plays; halfbacks may also serve as receivers
  29. 29What is the main function of the offensive line?
    To block members of the defensive line from tackling the ball carrier on running plays or sacking the quarterback on passing plays
  30. 30What position is the most important on the offensive line?
    The center, who snaps the ball, handles line adjustments and pre-snap strategy, and is responsible for blocking

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