FOXBOROUGH, Mass. -- Patriots offensive lineman R.J. Mattes was shaken up and left the game with 10:43 remaining in the second quarter on Friday night. Members of the Patriots medical staff attended to him on the field, appearing to focus on his right knee/leg area.
The Patriots announced that Mattes is questionable to return with an ankle injury.
Fellow rookie lineman Brice Schwab replaced Mattes on the field.