For coaches, in particular, it's an interesting article. Here's one insightful excerpt:
Martz will not tinker with any of the quarterbacks' throwing motions, choosing instead to harp on their footwork, timing with receivers, decision making and deception. Martz wants them to do a better job of looking one direction before throwing another direction, which helps create seams in the secondary that receivers can exploit.
"There's a reason for everything you do with your eyes," he says. "It's just imperative that you understand where you're throwing the ball and where your eyes should be looking. You can create opportunities just with your eyes."