The issue with the last (all) coaching staff the Titans had was that they were too dogmatic. Their way or the highway. This new staff led by Mike Vrabel is saying all the right things and seem to be at the forefront of a shift in thinking in the NFL.
GMFB talks about which new HC is in the best position to win now. I think Vrabel and Patricia are the two guys who can do that immediately.
NFL.com lists a bunch of guys in the AFC and NFC who could be cut candidates.