Roughing the Snapper
K is in scrimmage-kick formation on fourth and 17 from its own 20-yard line.
Immediately following the snap, R1 charges directly into the snapper A1. The
kick is caught by R2 and he is downed on the 40.
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Ruling: R1 has roughed the snapper. In addition to the yardage, the penalty
also includes an automatic first down. Following enforcement, it is K's ball
first and 10 from it's own 35-yard line.(9.4.6B)Casebook