Course Content
False Start and Snap Infraction
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Encroachment
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Illegal Formation
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Illegal Shift and Illegal Motion
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Offensive Holding
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Blocking in the Back
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Blocking Below the Waist
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Illegal Blindside Block
According to Rules 2-3-10, 2-32-16i, and 9-4-3n, an illegal blindside block involves these criteria: 1. Forceful Contact: The Colorado interpretation of "forceful" is the opponent is knocked to the ground. 2. Outside the Free Blocking Zone: The block occurs outside the free blocking zone. 3. Without Open Hands: The blocker does not use open hands when making contact. 4. The opponent does not see the blocker approaching.
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Facemask
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Chop Block
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Clipping
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Horse-collar Tackle
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Hurdling
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Unsportsmanlike Conduct
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Illegal Helmet Contact
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Illegal Batting
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Illegal Kicking and Illegal Kick
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Pop Up Kicks
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Roughing the Passer
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Foul Descriptions and Videos

Officiating is both science and art. The rules are the science and judgment and foul philosophy is the art. This lesson will provide rules of thumb for officials to consider when viewing a play to determine if a flag is warranted.