SI.com's NFL personnel expert Michael Lombardi
evaluates the Raiders' units
Russell's progress will determine the offense's fate.
Already talented group more explosive with McFadden.
Curry offers a spark; overall, corps lacks speed and big plays.
Miller produced last year, but there isn't much behind him.
Just too many questions at the tackle spots.
Needs Burgess to regain his sack star form of 2006.
Morrison and Howard are especially effective on third down.
Good corners. Huff moves to free safety to make plays.
Janikowski and Lechler both have great power and range.