 One defender serving as a linebacker outside the Defensive Box may raise their hand prior to the snap to signify their intent to rush.Defenders that begin in the Defensive Box must make contact with one of the Offensive linemen before they are allowed to drop back into pass coverage.Defenders that begin outside the Defensive Box may approach the line of scrimmage to align themselves with an offensive player granted they do so at least two yards outside the shoulders of the Offensive guard.