I don't see DAL passing up the opportunity to draft Manziel if he falls to 16. No way. He would be a PR dream for the Cowboys, and would turn their hopes around, all the while completely filling Jerry Jones' wallet.
So, should they all pass on taking the QB in the top 8, DAL will most assuredly start the frenzy with their 16 pick. BAL, NYJ, MIA and AZ are the next picks before GB. The #21 could certainly be in play should this scenario actually happen, and word has been spreading that it might. All of HOU, JAX, CLE, MIN and TB have been rumored to be interested in taking players at other positions.
Who knows? Maybe Ted will be able to work some magic should the draft unfold that way...