Bengals Pro Bowl wide receiver A.J. Green has been downgraded and officially been ruled out for Sunday's Wild Card game against the Colts because of a concussion.
Green suffered a concussion in the Bengals loss at Pittsburgh and has only practiced once this week on a limited basis.
The NFL concussion rules state a player must be cleared by a doctor before he can practice and has to be cleared by an independent doctor before he can play.
Green leads the team with 1,041 yards.
The Bengals will have Mohamed Sanu, Brandon Tate, and Cobi Hamilton available at wide receiver for Sunday's game.
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