The Pittsburgh Steelers have released veteran quarterback Troy Smith, a former Ohio State star who won the 2006 Heisman Trophy. Smith signed with the Steelers earlier this year. He has also spent time with the Omaha Nighthawks (2011) of the United Football League, the San Francisco 49ers (2010) and the Baltimore Ravens (2007-2009). The Ravens drafted him in the fifth round (174th overall) of the 2007 draft.