SI.com's NFL personnel expert Michael Lombardi
evaluates the Broncos' units.
Cutler will win a Super Bowl some day; perfect sub in Patrick Ramsey.
Young is more third-down than every-down back; unit lacks size.
Marshall is one of NFL's toughest to tackle; no real No. 2.
Tony Scheffler catches, backup Graham blocks.
Lacks power and explosion; either too old or too young.
Dumervil, best of the bunch, should be a situational rusher.
Williams returns to weak side; LBs need to get speedier.
Don't blame corners: With no pass rush it's hard to cover.
Working in a new kicker and seeking to improve return units.