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37
NFL RULES
General
Each team is comprised of an offense, a defense, and special teams. The offense’s job is to move
the ball down a 100-yard fi eld by running and throwing it until they cross the goal line into the
end zone. The defense’s job is to prevent the offense from scoring and to force them to give
up possession of the ball. If the defense is successful, the teams switch roles and the offense
becomes the defense and vice versa, until all four quarters of play are complete. The special
teams’ players take the fi eld for kicking plays.