‘”Every year you have to,” Jackson said of making schematic changes. “You can’t stay stagnant or defenses will pick up on what you’re doing. We make tweaks every day. We’ll come in and run a play one way and come out the next day and run it a completely different way. You’re not just training your body you’re training your mind as to how you’re going to make game plan changes all 16 weeks. It’s what you’re trying to do at the same time.”‘