Here is another article that is gentler:
Jason Garrett Called Out Dak Prescott's Performance in Cowboys' Loss in Denver
The
Dallas Cowboys got pummeled in Denver, losing 42-17. Not much went right for the Cowboys.
Ezekiel Elliott was held to 8 rushing yards on 9 attempts.
Dak Prescott averaged less than 5 yards per attempt against Denver’s tough defense, dropping back to throw 52 times, getting sacked twice, and throwing for under 250 yards.
http://thebiglead.com/2017/09/17/jason-garrett-called-out-dak-Prescott/
I also see now that Jason Garrett is saying Dak has an ankle injury.