Needham and the Dolphins agreed to a one-year contract Wednesday, Barry Jackson of the Miami Herald reports.
Needham (Achilles) is active ahead of Sunday's game against the Patriots.
Miami activated Needham (Achilles) from its reserve/PUP list Tuesday.
Needham (Achilles) was placed on the Active/PUP list Thursday, Aaron Wilson of KPRC 2 Houston reports.
Needham (Achilles) is expected to get out of his boot in a month, Cameron Wolfe of NFL Network reports.
Miami placed Needham (Achilles) on injured reserve Wednesday.
Needham tore his Achilles during Sunday's 24-16 loss to the Vikings, Ian Rapoport of NFL Network reports.
Needham (ankle) was ruled out for the remainder of Sunday's game against the Vikings.
Needham (wrist) is not listed on the Dolphins' final injury report ahead of Sunday's Week 1 matchup with the Patriots, Daniel Oyefusi of the Miami Herald reports.