New England signed defensive back Dewey McDonald to the 53-man roster and placed wide receiver Aaron Dobson on injured reserve with an ankle injury.

McDonald, 25, claimed off waivers from Indianapolis on Oct. 28, played in two games before being released Nov. 12. He was signed to the practice squad Nov. 14 and released Nov. 18.

Dobson, 24, had 13 catches for 141 yards in eight games.