My thinking is that it is indeed coaching, but not with the HC. I'm blaming the OC. He has to be the one getting his offensive field commander, the QB ready for every game, big and little, and I don't think Kellen Moore is that guy. Sure he's got some creative plays in the book, but if the offense doesn't execute, then they are pretty scribbles on a page. Dallas needs to bring in at the very least a competent QB coach/consultant to work with Dak to emphasize his obvious talents and minimize his weaknesses. For far too long his skills have been wasted and he has had to shoulder the blame for things that a good coach could/would have helped him overcome.