"According to two sources with direct knowledge of Patriots linebacker Jerod Mayo's injury, Mayo sprained the medial collateral ligament in his right knee on Monday night against the Buffalo Bills.

One source said that Mayo was expected to be out 6 to 8 weeks with the Grade 3 MCL sprain, but the other source said that the timetable is "not that bad" and Mayo is expected to be back quicker than that. "