‘“They do a very good job with their disguise and pre-snap looks,” Belichick said. “They make it hard on the quarterback. “Mostly, as a coach or quarterback, if you look at the safeties, that’ll pretty much tell you 80% of what’s going on defensively based on their depth or rotation or your formation, obviously, and where they go in that formation and how deep they are and what kind of angle they’re taking.”’