The National Football League has the official rules and regulations of Pro Football. NFL set of rules consist of Official's Jurisdiction, positions and its duties. Football's official are the umpire, the referee, head linesman, line judge, field judge, side judge, and back judge. NFL has also the definitions of the game, Summary and Penalties, field end zone and the official markings to avoid confusion in terms of goal lines, sidelines, and end lines. Other set of rules like fumble, double foul, unfair acts, kicking from scrimmage and intentional grounding of
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