Vaughn was placed on injured reserve Wednesday with an ankle injury, Todd Archer of ESPN.com reports.
Vaughn carried the ball twice for two yards and caught his only target for 10 yards in a Week 17 win over the Lions.
Vaughn (coach's decision) is inactive for Sunday's game against the Dolphins, Todd Archer of ESPN.com reports.
Vaughn (coach's decision) is inactive Thursday against the Commanders, Todd Archer of ESPN.com reports.
Vaughn (coach's decision) is inactive for Sunday's game at Carolina, Michael Gehlken of The Dallas Morning News reports.
Vaughn is in line to serve as the Cowboys' punt returner in Sunday's Week 10 matchup against the Giants with KaVontae Turpin (shoulder) inactive, Todd Archer of ESPN.com reports.
Vaughn (coach's decision) is inactive for Sunday's game against the Eagles, Todd Archer of ESPN.com reports.
Vaughn (coach's decision) is inactive ahead of Sunday's game against the Rams, Todd Archer of ESPN.com reports.
Vaughn (coach's decision) is listed as inactive Monday at the Chargers, Jon Machota of The Athletic reports.
Vaughn carried the ball eight times for nine yards and caught his only target for two yards in Sunday's rout of the Patriots.