Quote:
Originally posted by HossHumard
The NZ is very much a rule up north. Nobody may encroach within the yard before the ball is snapped.
Beyond that, I think scrimmage rules (with regard to the NZ) are pretty much the same on both sides of the 49th. If Oline moves before snap its a whistle and Procedure call, if the Dline jumps but gets back before snap without breaking the Oline plane, no whistle.
It does get a bit juicy when the Dline comes before the snap and the Olineman pulls up in response. We usually tag the Oline with procedure if they're across from each other, but some in our association disagree and its usually worth a couple of hours of drunken back and forth at pay night....beats talking about the upcoming election I guess...
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The interpretation we use in Ontario is:
1. If the DL is in the neutral zone and the OL opposite him moves as a result, then it is offside on the D only. The philosophy is that the players need to be able to defend themselves from possible imminent contact where the defender has already progressed beyond where they should be at the snap (i.e. 1 yard away.)
2. If the DL is in the neutral zone and another OL moves then it is procedure on the O only. The D cannot be called for offside in the NZ until the ball is snapped so they are not guilty of anything if we have procedure before the snap (with the exception of 1 above).
Of course this interpretation changes from time to time. We used to call #2 as a dual offsetting foul.