Dallas opens against Philadelphia under Brian Schottenheimer with a reshaped roster and a bold forecast: Javonte Williams leading a backfield with Miles Sanders and Jaydon Blue; Kaiir Elam stepping up to eclipse defenders for Dallas; George Pickens moving into the spotlight for a 1,300+ receiving season; two Cowboys edge defenders reaching double-digit sacks; Dak Prescott pacing the league in passing yards amid a stronger O-line and sharper play-caller.