do we bring Adrian Arrington back to training camp?

I honestly don't think we do. We'll have Toon, Jarred Fayson, Andy Tanner, and Chris Givens (who was a stud last TC) back from injury in camp in addition to Morgan and Saalim Hakim.

He's too injury prone.

I think we have enough young prospects in the ones you mentioned...we don't need to bring Arrington in...we will probably be bring in more UDFA receivers after this years draft. We have speed guys in Hakim and Fays on and possession guys in Tanner and Givens...these are players that can be developed in our offense.