From Colt Homer over at Naptown's Finest:

But I could see Gray passing Sorgi before the Hall of Fame Game.  Gray was waived by the Texans for not picking up the system quick enough.  That could be a problem since the Colts have a much more complicated system than the Texans.

Lorenzen is just a camp body.  And a big one at that.

Not a good sign. The Texans offense is about as simple as it gets, folks. It's a zone blocking scheme with designed bootlegs which shorten the field for the QB. It's also very run heavy, and Quinn had trouble learning it.

Not good. Quinn might not last a week.