Dallas Cowboys second-year linebacker Jaylon Smith likely won't play in Thursday's preseason opener against the Arizona Cardinals. Offensive tackle Tyron Smith is experiencing a back issue and similarly might not play.
Jaylon Smith missed the entire 2016 season after tearing his ACL in a January, 2016 bowl game for Notre Dame. Still, Cowboys media have been describing him as extremely close to a full return. This latest development might not be concerning, but something to follow.
Tyron Smith is expected to have another monster year at the tackle position, and we'll see how this back situation fares over the coming days. It seems pretty unlikely for Thursday night though.