The Patriots announced Sunday that they have signed TE Garrett Mills. Terms of the contract were not announced. The team also released S Bret Lockett and rookie free-agent OL Zach Roth.
Mills, who entered the NFL as a 2006 fourth-round pick by the Patriots, has played five seasons in the league, with New England ('06), Minnesota (2007-09), Philadelphia ('10) and Cincinnati ('10).
The 6-1, 235-pound Tulsa product has played in 16 career games with three starts. He has nine catches for 110 yards. He was waived by the Bengals on Aug. 16.