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Wallace spent his first seven NFL seasons on the Seahawks, only to be traded two months after Carroll was named head coach.
Wallace and Thigpen have the mobility to run the read-option in a pinch if Russell Wilson goes down. Although Thigpen isn't a household name, he might be the favorite to sign on as Wilson's backup. He ran an option offense at Coastal Carolina and a pistol attack with the Kansas City Chiefs back in 2008.