Deaderick, 25, is a veteran of three NFL seasons with the Patriots after originally joining the team as a seventh-round (247th overall) draft pick out of Alabama in 2010. The 6-foot-4, 305-pounder, has played in 34 games with 14 starts and has registered 51 total tackles, five sacks and two forced fumbles. He has also played in six postseason games, adding 11 tackles and one sack. Last season, he played in 14 games with five starts and registered 14 tackles, one sack and two forced fumbles.
The Pats also released wide receiver Andre Holmes.
The Patriots added offensive lineman Tyronne Green and R.J. Mattes