The Steelers have re-signed veteran offensive lineman Cody Wallace to a three-year contract, the team announced today. Financial terms of the deal were not disclosed. Wallace appeared in nine games for the Steelers last season at both guard and center and made four starts, both career-highs. He started the final four games of the season at center and made his first NFL start in Week 14 against the Miami Dolphins. The Steelers have seven offensive lineman with NFL experience on their roster.