Hightower, 25, was a first-round pick by the Patriots in 2012. He has quickly developed into one of the premier run stuffers in the league. He recorded 89 tackles and six sacks last season, despite playing hurt.
MORE: Heyward-Bey signs with Steelers | Haley endorses Hardy | Bomb threat at Hernandez trial
Hightower underwent surgery to repair a torn labrum on Feb. 12., and might not be ready for the start of the season. The Patriots have already lost both starting cornerbacks to free agency, and starting right tackle Sebastian Vollmer underwent the same surgery as Hightower after the season.
Every time it looks like the Patriots might relinquish their steady hold on the AFC East, Tom Brady and Bill Belichick find ways to win games. New England has had success in the draft in recent seasons, and may need to again this season with all the losses.
