If he were someone BB would consider for the roster why would he have cut him long before the final cutdown.
No matter how many players if there was a possible scenario where BB though he would want him on the 53 he wouldnt have cut him to keep Rogers, Love etc not to mention Ventrone.
I think that you will see a lot of special teams play coming out of your rookies.
Chung and Butler should contribute a lot. Those 2 could be replacing the 2 "DBs" that usually are st only guys.
I'm not sure who the Izzo is though.