Parcells said Monday that he is unsure Terry Glenn will be able to practice Wednesday

Cowboys head coach Bill Parcells said Monday that he is unsure whether Terry Glenn (knee) will be able to practice Wednesday.

Glenn is far from certain to play next week. Patrick Crayton stepped up big against Arizona and will remain a key part of the offense as long as Glenn is out. Recall that Clayton spent quality time on the Cowboys' second-team offense with Tony Romo for years.