4 offensive players have to line up on the line of scrimmage. 3 defensive gamers must be down linemen (in a three of four-level stance). A person linebacker may blitz on either facet of the center. Defensive linemen need to line up no broader than shoulder to shoulder ("shading") about https://indoor-football23197.blogdiloz.com/29269957/not-known-details-about-indoor-football