Crowder (ankle) didn't participate in Tuesday's practice, David Helman of the Cowboys' official site reports.
Since injuring his ankle in the Week 5 loss to the Saints, Crowder has practiced only two times, both of which were limited sessions Nov. 8 and 9. The receiver was at least able to work out with trainers on the side Tuesday, according to John Keim of ESPN.com, but since Crowder has yet to join his teammates for on-field work since the aforementioned dates, he's likely on track for a seventh straight absence Thursday in Dallas. In the event Crowder is sidelined again, Josh Doctson, Maurice Harris and Trey Quinn would likely comprise most of the Redskins' three-receiver sets.