Knowledge of the rules

nowing the rules is given for any position in an officiating crew. It is impossible to enforce the rules if you don’t know what they are. Before every season, as all other crew members, the umpire should review all the rules, but he should concentrate most heavily on Rules 7 and 9. His major on-field task is directed to those things happening at the line of scrimmage between the offensive and defensive linemen.

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