Let's assume, Dan Quinn doesn't leave for another HC position. What is still needed to transform this defense into championship level?
Although the scheme has changed, let's go look back at the legion of boom personnel in Seattle where Quinn was their DC:
DE-Avril, Bennett (Gregory, DLaw if both are back are comparable, think DLaw can kick inside as well)
DT-McDaniel, Mebane (more space eater run players then pass rushers, Osa fits, need for another one)
LB-Wagner, Wright, Smith (1 superstar, 1 good linebacker who can play all the spots, need that 2nd LB)
CB-Sherman, Maxwell (We have Diggs who is a ballhawk like Sherman, jury is out if we have our other starting corner on the roster, keep in mind we are more of a man press scheme now)
S-Earl Thomas, Chancellor (I believe Kearse is a similar player to Cam, can do it all inside the box, yes, we need a legit FS and doesn't have to be as good as Earl.
Based this comparison, summary of what I believe is needed to make this D into championship level:
-Need to resign both Gregory and Kearse. Figure out how to also retain DLaw.
-Find another quality space eater for the interior of the DL
-Draft a quality LB who can play next to Parsons, but also has the ability to multiple LB positions
-Need another star DB and a quality role player, doesn't matter which position
2 key pieces at LB/DB and a few good role players
