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First-round pick Ryan Kerrigan will play for the first time at left outside linebacker after playing defensive end in college. Considering all the new parts, the defense needs these preseason games to jell.

For Cofield, it’s a matter of mastering his new responsibilities. He came from the New York Giants’ 4-3 defense; now he’s playing a new position in a 3-4.

“You understand that your technique and certain things may not be there, but your effort and your mentality and your aggressiveness have to be there, regardless,” he said. “It may not be perfect, but as long as guys are flying around and playing hard, I think we’ll be happy.”