American Football Referee Signals for Offense
American Football Game-Play Referee Signals
4 NFL Rule Changes for 2013

A Collection of Images from Football Rules & Positions In A Day For Dummies

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Key to diagrams

These symbols are used in the diagrams of lineups and formations.

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Referee Signals for Defense in American Football
American Football Passing Patterns
The Coaching Staff in American Football
How Football Teams Can Score Points in Game Play
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