Ohrnberger, 6-2, 300 pounds, was placed on injured reserve on Sept. 3 and did not appear in any regular season games last season. Originally drafted by the Patriots in the fourth round (123rd overall) of the 2009 NFL Draft, Ohrnberger has played in five games over his three-year career.
Wright, 6-4, 295 pounds, played in the 2011 season opener at Miami (9/12) and had one tackle and a half a sack. He was inactive for four games before being placed on injured reserve on Oct. 14. Wright, who originally joined the Patriots as a rookie free agent out of Cincinnati in 2005, has 174 total tackles and 15.0 sacks in his 81 games with the Patriots.