Cowboys left tackle Tyron Smith (back) is a bigger concern for Sunday than right guard Zack Martin (quad). The Cowboys may not know on Smith until Saturday if not game day, per Clarence Hill Jr. #dallascowboys #cowboys #cowboysnation #wedemboyz #americasteam #nfl #fyp #foryou #howboutthemcowboys #gocowboys #tyronsmith #zackmartin