He developed Ryan Tannehill into a good pro QB. He coached with Sean McVay. He took the Bengals from 2-14 to 12-4. I'd blame Cincy's front office for the terrible defense.
I'm not saying he's at the top of the list, but he should at least get a call. He has way more experience than Zac Robinson. (I'd be thrilled if Zac came)