“Don’t burn the building down,” Diaz said. “Sometimes, quarterbacks are just the obvious major mistake that everybody in Row Z can see. … So, [we’re] trying to see, No. 1, who makes the last bad mistakes. And then it comes down to decision-making and accuracy. And what will improve your decision-making and accuracy? The more comfortable you get running the same plays over and over again. The more plays I run, the better decisions I make, the more I feel confident in my decision, the more accurate the ball will be. You really can’t judge that until we have 21 guys around him playing football. … You need to get a bunch of guys around and you need to get the dynamic of changing defensive coverages around to see who can make the decisions, who can do it accurately and who can avoid the critical error.”