The Giants on Saturday placed C Weston Richburg on the injured reserve and signed CB Tim Scott.
Richburg suffered a concussion on Oct. 1 and missed time throughout the month. He will become an unrestricted free agent in March.
Scott was previously on the Giants' practice squad. His promotion to the active roster comes as Donte Deayon deals with an ankle injury and Janoris Jenkins prepares to miss the upcoming game due to a suspension.
Scott has spent time with the Washington Redeskins, Dallas Cowboys, and Cleveland Browns but has not played in a regular season game. He tallied 212 tackles, 25 deflectons, and eight interceptions at the Univesity of North Carolina.