SI.com's NFL personnel expert Michael Lombardi
evaluates the Chargers' units.
Rivers appears to have recovered from his knee injury.
Tomlinson and what's behind him make this unit one of NFL's best.
Chambers upgrades them; so would Buster Davis's emergence.
Gates is a star; good blocker in Brandon Manumaleuna.
Tough and physical in all aspects; clears the way for Tomlinson.
Like the OL, tough and physical; and can rush the passer.
Speed and depth here make special teams so effective.
Cromartie came through; a big year from Weddle needed.
Can cover and, with Darren Sproles, run the ball back.