Time to Get Up with the rookie report cards!\nI'll tell you the one thing every one of them got absolutely wrong in their preseason debuts!\nMeanwhile, Dak Prescott didn't play in the Cowboys preseason opener but did Mike McCarthy do something that could hint at a major change for the QB?\nPlus, more QB first impressions! Greeny tells us the one that he's predicting will have a great year.\nLearn more about your ad choices. Visit megaphone.fm/adchoices