Steelers rookie RB Jonathan Dwyer will compete for the No. 2 job and also as a short-yardage back.
"This kid's had 1,300 yards in each of the last two years," said Kevin Colbert, the Steelers' director of football operations. "He's a big kid, with deceptive speed and productivity. And again as a junior you still think he hasn't reached his full potential yet."
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