OK, this one is off-topic (although he is a former FB player and coach) , but I stumbled across this (long) article and it is a really good read. Not making a point or starting anything here, I just think it is worth 5-10 minutes of your time. The part about his first year with the Packers and Vince Lombardi is something.
https://theundefeated.com/features/packers-bill-curry-on-martin-luther-king-race-and-football/
https://theundefeated.com/features/packers-bill-curry-on-martin-luther-king-race-and-football/