a lot of fans think there are these magicians calling plays for other teams and pulling rabbits out of their hats every week. The reality is that there's not much trickery in modern football. With AI, advanced film breakdowns, analysts, etc. pretty much everybody knows what everybody else is doing.

Your average FBS DC can tell you exactly what 3-4 plays his opposite number is likely to call in any given situation. And the OC can do the same with regards to his opposing defense.