@BamaFan334 here is some reading and viewing for you. I enjoyed looking for it and reading it and watching it myself.
John Hannah was two-time All-American for Crimson Tide in early 1970s
www.al.com
‘The best offensive lineman of all time’ was an Alabama All-American before starring for the New England Patriots.
www.al.com
Some good highlights on this video, I'm not much for the narrative:
Finally, this is the cover story from Sports Illustrated declaring Hannah the best NFL O lineman of all time. It makes me sad to read it, because of how good SI was when print was king. You'll also note that swaths of this article have been lifted for some of the stuff up above.
See now, it's starting. Ah, what a parade. Simply magnificent. All the great linemen in NFL history, the offensive linemen, those quiet, dignified toilers in
vault.si.com