"I think they've been stacking up to defend our run, so ... I'm sure they're going to play things a little differently now with Ben in there," Mendenhall said. "He definitely adds another dynamic to the offense."
Roethlisberger looks sharp, strong in 1st practice →
"It definitely opens it up," said Mendenhall, who averages 22 carries per game _ seven more than a season ago.
Ben's return means changes for Steelers offense →