SI.com's NFL personnel expert Michael Lombardi
evaluates the Texans' units.
Depth is there, but Schaub must prove he can last 16 games.
Steve Slaton and Chris Brown have a shot at the No. 1 job.
Good speed and ability to run after the catch.
The underrated Daniels fits the offense perfectly.
New line coach in Alex Gibb; new anchor in rookie Brown.
Much improved; Williams is a big-time player.
Ryans is a tackling machine; unit needs more depth, talent.
Concerns at safety; Dunta Robinson must come back healthy.
Brown has the big leg to make the long kicks.