Davis signed with the New England Patriots on Monday, the team announced. NFL Media Insider Ian Rapoport reports the deal is for one year.
Davis was suspended indefinitely in February of 2014 for repeated violations of the NFL's substance-abuse policy. He missed all of last season.
The 29-year-old tight end earned career highs in 2011 with 59 receptions for 796 yards. Since that season he's compiled just 31 catches for 395 yards.
Once viewed as a Pro Bowl-level talent, Davis signing is another Bill Belichick special. If Davis doesn't wow, the Pats cut him and move forward. If he flashes some of his 2011 ability, they bought a bargain.