The Dallas Cowboys entered Sunday's Arizona Cardinals showdown without wide receiver George Pickens. Then they rolled without safety Caleb Downs, who left with a concussion.

Downs walked off with trainers during the second half. He later got ruled out of the game with Dallas up against Arizona.

The rookie safety tallied four tackles with two solo stops before the NFL injury. Dallas and head coach Brian Schottenheimer engaged in a shootout, though, with the NFC West franchise.

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Arizona worked in a last second touchdown with under 10 seconds left. Quarterback Gardner Minshew hit wide receiver Michael Wilson with a 13-yard touchdown strike. But the Cards missed the extra point that left the game tied at 30.

This story will be updated.