If Vilari or the other UDFA TE show out, I could see them moving Davis Allen. Kind of like when they moved that white WR to the Texans for a 7th. His name escapes me. I think Allen has more value than that guy. Maybe you can get a 6th?
I can't see a scenario that leads to Allens departure this season. Last season he took step forward, knows the system physically as well as mentally and is on a rookie contract.
As far as Klare we were talking in another thread right after the draft that Klare moves very fluidly and looks like a big wr when he runs as opposed to a TE.