I think he has a shot, not a good one but still. He will have a career in MMA if its UFC, Pride, Elite or Cage Rage. Diaz attract fans... and after Nicks win over Gomi, even more people are jumping on the Diaz family wagon.
My 12 fighter army is as follows:
Mirko "the man" Filipovic
Fedor and Aleks
Q. Rampage Jackson