Texans Training Camp: Offensive Positional Updates

Just the facts, quick and dirty.Quarterback: Matt Schaub's the starter. Coach Kubiak claims that there's open competition (which I'm sure there is), but it doesn't look like Sage is much of a threat for now.Running Back: Ahman Green is starting; Slaton looks good, but he's been fumblin'; Walker and Taylor are neck and neck. The Texans signed former Broncos RB Mike Bell yesterday as insurance (and an extra body) while Chris Brown nurses a hangnail. Or something to the equivalent (back problems, despite never touching the field).Wide Receiver: Andre Johnson put skeptics of his successful knee rehabilitation on shut up -- real fast. Kevin Walter says he's gotten quicker. Jacoby's missed time with a foot problem (and a DUI court hearing problem). Kubiak says Walter reminds him of Ed McCaffery -- insightful.Tight End: Owen's the man, even if the Chronicle is snubbing the guy. I haven't seen a thing written about him. And yet, there's a write-up...