The fourth-year cornerback has one interception this season.
Jaleel Johnson is expected to fill in for Linval Joseph.
Dallas is hopeful that Cooper will be able to play Sunday night.
Thielen has just 27 receptions this season.
Thielen was back to work Wednesday after missing a game for the first time in his career.
Thielen could return to play at Kansas City on Nov. 3.
Barr is dealing with a groin injury and won't play.
Minnesota will suit up just four wide receivers.
He can be activated at any time, but there's speculation that it won't be soon.
Rhodes suffered an apparent hamstring injury against the Packers.
Diggs returned to practice on Friday.
You might not recognize guys who were on the first team during Monday's practice.