Four offensive gamers have to line up on the line of scrimmage. 3 defensive players need to be down linemen (in A 3 of four-point stance). A person linebacker could blitz on possibly side of the middle. Defensive linemen have to line up no wider than shoulder to shoulder ("shading") https://keeganwlrtt.blog-a-story.com/10021479/the-fact-about-indoor-football-that-no-one-is-suggesting