The NFL is a matchup league. It’s a cliche—but there also is a lot of truth to it. College football has such a wide range of offensive schemes that it’s forced defenses to defend concepts not players. In the NFL, there’s turnover and a focus on putting game-changing players in position to make plays.
Lou Anarumo, as we know, has a flexible system designed to defend the opponent, not the width of the field. Some systems want to get good at running specific coverages and pressures that they know they can execute well on Sundays. Lou, on the other hand, wants to be multiple so that he has all the ammo he needs to defend the opponent schematically.