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Photo by: Keith Srakocic

FILE- In this Oct. 10, 2009, file photo, Pittsburgh freshman running back Dion Lewis (28) carries the ball against Connecticut during an NCAA college football game in Pittsburgh. Only one Pitt running back, Tony Dorsett, had a season like Dion Lewis' a year ago. In only a couple of months, Lewis went from unknown freshman to second-team All-American. Still, one year later, some teammates still don't know what makes Dion Lewis run. (AP Photo/Keith Srakocic, File)

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