Thomas appeared in two games for Arizona last year, going 1 for 9 for 81 yards and a touchdown. Harnish has been a backup for the first three seasons of his career with the Colts and Vikings and has not appeared in a game.
One day after signing quarterback
Harnish has yet to take a snap in an NFL game.
Harnish had been on the practice squad, but was added to the final roster just a few hours before game time. The move could be a sign that Teddy Bridgewater will be unable to go Thursday night. If that's the case, Harnish would serve as the backup to Christian Ponder.
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