PITTSBURGH — The Pittsburgh Steelers have signed 2006 Heisman Trophy quarterback Troy Smith to a reserve/futures contract.

Smith spent three seasons with the Baltimore Ravens from 2007-09, beating the Steelers as a rookie starter in 2007. He was with the San Francisco 49ers in 2010. He last played with the Omaha Nighthawks of the United Football League.

Pittsburgh quarterbacks Byron Leftwich and Charlie Batch will become unrestricted free agents in the offseason, and Smith gives the team depth heading into mini-camp and organized team activities.

The Steelers also signed cornerback Walter McFadden, who played for the Oakland Raiders in 2010 and split his time between the Raiders and the Cincinnati Bengals in 2011.

Pittsburgh also signed wide receivers Tyler Beiler, David Gilreath, Derrick Williams and Jimmy Young.

Philbin accepts Dolphins’ post MIAMI — A month of wrenching emotion for Green Bay Packers offensive coordinator Joe Philbin took another turn when he was hired as the Miami Dolphins’ new head coach.The deal was sealed less than two weeks after Philbin’s 21-year-old son drowned in an icy Wisconsin river. The Dolphins confirmed the hiring in a news release and plan a news conference Saturday.

Blistering scores top leaderboard LA QUINTA, Calif. (— Mark Wilson shot a 10-under 62 to tie Ben Crane and David Toms for the second-round lead in the Humana Challenge, topping a leaderboard again filled with blistering scores.Crane shot a 63 on the three-course tournament’s Palmer Private course, and Toms had a 65 on the Nicklaus Private course to match Wilson at 16-under.