Harmon signed with Dallas' practice squad Wednesday, Todd Archer of ESPN reports.
The Cowboys signed Harmon to a contract Saturday, Todd Archer of ESPN.com reports.
The Commanders waived Harmon on Tuesday.
Harmon signed a reserve/future contract with Washington on Monday.
Washington re-signed Harmon to the practice squad Wednesday.
Washington cut Harmon from the practice squad Tuesday.
Harmon has signed a deal to join Washington's practice squad.
Harmon has been released by Washington, John Keim of ESPN.com reports.
Harmon (knee) practiced in pads Sunday, Nicki Jhablava of The Washington Post reports.
Harmon (leg) isn't taking part in Friday's practice, Nicki Jhabvala of The Washington Post reports.