#American_football  a game played by two teams of 11 players on a rectangular field 100 yards long; teams try to get possession of the ball and advance it across the opponents goal line in a series of (running or passing) plays
  supertype:  #football  any of various games played with a ball (round or oval) in which two teams try to kick or carry or propel the ball into each other's goal
  subtype:  #professional_football  #touch_football
  part:  #football_play  a play by the offensive team in a football game
     part:  #centering__snap  (football) putting the ball in play by passing it (between the legs) to a back

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