SI.com's NFL personnel expert Michael Lombardi
evaluates the Vikings' units.
Can Jackson handle all the looks that will be thrown at him?
Greatness with Peterson; depth with Chester Taylor.
Need Berrian to be a deep threat, and Rice to emerge.
Shiancoe improving as a receiver; Jimmy Kleinsasser is mobile.
McKinnie's status (possible suspension by NFL) is the key.
Allen brings an edge rush to already stalwart group.
Henderson anchors a unit that is big, strong and fast.
Pass rush will take pressure off; Sharper is a playmaker.
Solid in every phase; Longwell is a reliable vet.