Four offensive gamers must line up at stake of scrimmage. 3 defensive gamers must be down linemen (in a three of 4-stage stance). 1 linebacker may perhaps blitz on both side of the middle. Defensive linemen must line up no broader than shoulder to shoulder ("shading") over the offensive lineman https://leisurecityguide.wordpress.com/2024/08/29/the-thrills-and-benefits-of-indoor-football/