Saleh or Evero would be upgrades.
No to Brandon Staley.

MLF's seat is probably safe, but Barry's seat definitely heating up after two weeks of horrible, terrible, no good defense.
They'll wait for Black Monday before making any moves.

Finding a DC who wants the job might not be easy, not unless they think MLF's job is secure for at least two years. Nobody wants to move, get fired after a year, and have to move again.