The Bills don't really define their safety roles like that, it's not going to be a Leonard Smith in the box and a Bill Simpson roaming deep. Part of that quarters defense, and the thing that makes it tough, is each safety has their side of the field to patrol and handle both pass and run defense on their side. As long as Jaquan or Hamlin can execute the role, it shouldn't be beyond their physical limitations. The lack of experience is the biggest thing.