All plays must originate with a snap from center. The motion must begin more than one second before the ball is snapped, and must be parallel to or away from the line of scrimmage. An offensive huddle is not required prior to play, however, if a huddle is formed, all players must attend. A huddle must be held when a substitution is made. Defensive players may not break the buffer zone until the ball is snapped.
Offensive players are responsible for retrieving the ball after a down has ended.
The snapper may have the ball spotted or bring it to the huddle to dry and clean it. A towel may be used to help keep the ball dry and placed under the ball during inclement weather. If room between fields does not allow this, spectators must assume a position at the end of the field. Carrying the Ball 1. A ball carrier may not hurdle a player to avoid deflagging.