Ferguson carried the ball just three times for nine yards during the 2019 campaign.
Ferguson rushed three times for nine yards in Sunday's 37-27 loss to the Eagles.
Ferguson was promoted to the active roster Tuesday, Zach Selby of the Redskins' official site reports.
Ferguson signed to the Redskins' practice squad Wednesday.
Ferguson signed with Washington on Wednesday.
Ferguson was released by the Texans on Friday, Ian Rapoport of NFL Network reports.
Ferguson is the player "most affected" by the Texans' acquisition of Duke Johnson, Aaron Reiss of The Athletic reports.
Ferguson is competing for backup slotting behind top back Lamar Miller following the release of D'Onta Foreman, Aaron Wilson of the Houston Chronicle reports.
Coach Bill O'Brien said Wednesday that Ferguson is the top candidate for the team's third running back, Aaron Wilson of the Houston Chronicle reports.
The Texans signed Ferguson to a reserve/future contract.