I'm willing to consider the theory that Caudle and Trotter got the bulk of the reps so that a #2 could be established, with Newton as the heir apparent to Todd's spot.
<a theory>
I think they trotted Newton out so that the fans could see the guy, they told him not to run and risk injury (despite the orange jersey), they gave him some safe plays and told him he could show his arm off once</a theory>
Facts to support theory:
1) Clear disparity in # of pass attempts between Trotter/Caudle and everyone else.
2) Caudle and Trotter both took off on foot more than once...despite the orange jersey.
This would show that the coaches needed to see much more of these guys than Newton. Caudle and Trotter looked like they were fighting for a spot....was it #1 or #2? I think it's more likely that they're fighting for #2.