FOXBORO — Receiver Mohamed Sanu was back at practice Thursday, but did not participate for the second consecutive day as the New England Patriots prepared to host the Dallas Cowboys at Gillette Stadium on Sunday.

It follows a report from NBC Boston’s Tom E. Curran saying Sanu could miss extended time with a high-ankle sprain suffered in the Patriots’ 17-10 win over the Philadelphia Eagles last Sunday. It’s likely that the ankle injury was suffered during a punt return although Sanu returned in the game. He did not participate in Wednesday’s practice either.