But he goes much deeper. For instance, Eayrs tracks the referees and their calls. Even though they're probably all similar, he knows which crew might be more lenient with what they'll allow and which crew likes flag football now and then.

"He'll say this crew has more pass interference calls than any in the league, so don't be as physical," said backup quarterback Graham Harrell. "Or this team calls more holding calls - so let's try to play clean up front. Or this team calls more fourth-quarter penalties.