The Giants were bad but Dallas was still playing Jason-ball (take what the defense gives, pretend to run with pass/run options but generally that means pass). with stupid in the the red zone and avoiding the RB. Jason-ball returned for Denver thinking they would just improve on red zone efficiency. But Denver was absolutely prepared for Dallas and Dallas was only prepared to run Jason-ball better no matter who they played. They didn't adjust anything and just kept running the same things over and over. Arizona came in and completely stuffed Jason-ball forcing the Linehan offense as a desperate remedy. Offense clicked and probably could have put 35-38 points up.
Now, from Dak's end of the season interviews last year, despite his lack of interceptions and general efficiency, Dak was supposed to advance in this offense which apparently means include lower percentage passing, greater risk of sacks, choosing more passing over run plays and throwing to players who are not open.
Yes, it would seem that "advancing in the system" means trying to take as many chances as Romo did. And incompletions, interceptions, loss of pointa and loss of the games are secondary to forcing this square peg of a pass philosophy fit into the round hole of the modern NFL.
All that to say, Jason-ball will probably be attempted again against the Rams (after all Jason-ball was the losing gameplan of both Packer playoff losses even though Linehan beat Capers during last season, a feat that Jason-ball never accomplished) and at some point Jerry or Steven will call down to the fields around the second quarter and demand that Dallas run the ball, get the ball to Bease and Dez etc and Linehan will take over.
Dallas 33 LARams 24