Las Vegas has yet to interview Tampa Bay Buccaneers offensive coordinator Liam Coen, who might be the best candidate of the bunch.

Johnson seemed like the Raiders' Plan A. Now, where will Mark Davis, Tom Brady and the franchise turn to find their new head coach?

Ben Johnson made a quick decision. Aaron Glenn could be next. With Johnson heading to Chicago and Mike Vrabel already in New England, five head coaching vacancies remain. The Jets, Saints, Jaguars, Raiders and Cowboys are still in the hunt.