art IV of this Chalk Talk covered basic formations, something every official should know and observe before every play from scrimmage. The Chalk Talk continues with motions and fouls from formations.
What about motion?
Before the snap, the offense must come to a complete stop for one second. Now several things can happen before the snap. The offense can shift. Linemen who have not become set in a three-point stance can shift. Backs can move. Ends can move. Those are all shifts. You need to remember there is a difference between a shift and motion.
Once the entire offense comes set for one second, the ball can be legally snapped. What if they do not come set? It is a penalty for an illegal shift. That is a live ball foul because they have the opportunity to correct the foul before the snap.
Continued...
Please sign in to read the rest of this article:
