This site runs down a few interesting options...
https://www.milehighreport.com/2018/..._mr2RcNgre700Q
I would be interested in learning more on the following options. I believe I'm more apt to go with an offensive mind over defensive for HC.
Matt LaFleur, Tennessee Titans Offensive Coordinator
Zac Taylor, Los Angeles Rams Quarterbacks Coach
Pete Carmichael, New Orleans Saints Offensive Coordinator
Freddie Kitchens, Browns Offensive Coordinator