As the old saying goes, those who do not learn history are doomed to repeat it. I think that the Dallas Cowboys have done their homework and are moving forward with what recent history has taught them.
Recent trends have shown the importance of some aspects that will show the likelihood of a return to the playoffs for the Dallas Cowboys.
In 2017 there were six new NFL head coaches with two of them in the NFC. Those two NFC coaches were Sean McVay of the Los Angeles Rams and Kyle Shanahan of the San Francisco 49ers.