We run a 3-3 stack like many coaches. Except we use numbers for our LB's and that's how we call our stunts. This is our Stack Slide: we slide our defense into a 4-2-5 look. It is a four man front that we use to play against passing teams and it allows us to run a Cover 3 or a Cover 2 or Cover 4. We don't like the 3-2 look because we feel it leaves us in a weaker defense.Coaches intersted in the 521 Defense can ontact me at tccox@sbcglobal.net …