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Encroachment (gridiron football)

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Title: Encroachment (gridiron football)  
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Language: English
Subject: Penalty (gridiron football), 2012 Military Bowl, Block in the back, Face mask (gridiron football), Muffed punt
Collection: Gridiron Football Penalties
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Encroachment (gridiron football)

In gridiron football, encroachment refers to when before the snap, a defensive player illegally crosses the line of scrimmage and makes contact with an opponent or has a clear path to the quarterback. In high school, this includes any crossing of the neutral zone by the defense, whether contact is made or not. It is a violation of the game's code. It is similar to offside except when it occurs, the play is not allowed to begin. Like offside violations, the violating team is penalized 5 yards.[1][2]

The head linesman has the duty of watching out for encroachment and other similar infractions, and the line judge assists in this process.[3]


  1. ^ Beacom, Mike. The Complete Idiot's Guide to Understanding Football. 
  2. ^ NIRSA. 2009 & 2010 NIRSA Flag & Touch Football Rules Book & Officials' Manual-14th .... p. 39. 
  3. ^ Long, Howie; Czarnecki, John. Football for Dummies. pp. 42–43. 
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