You have the internet, apparantly, you can look this up yourself

LeBron James;
https://www.yahoo.com/lifestyle/lebron-james-says-nfl-owners-slave-mentality-comes-players-050651044.html
and apparently, Todd Gurley

Adrian Peterson;
https://www.foxsports.com/stories/nfl/peterson-compares-nfl-labor-to-slavery

There's even an WHOLE book about the slavery comparison to pro sports in general;
https://www.npr.org/templates/story/story.php?storyId=5548552

I'm sure Maurice Clarett and Dez Bryant could expound on the topic...but you're not here for that

You just want to deflect and dismiss...what is a first person story as lived by a black athlete in america

You'll never be right discounting someone else's reality.