Ex-NFL star Ryan Clark just gave an extremely emotional speech about being a black father in America ... breaking down in tears discussing his son's recent experience with racism.
Clark's son, Jordan -- alongside 2 Arizona State football teammates -- claim they were called the n-word by a Whataburger customer in Baton Rouge, LA this week ... and instead of de-escalating, the restaurant manager threatened to call the police on the players.
You can read Jordan's entire narrative on the incident below.
Clark spoke on the incident with ESPN's "Get Up" on Friday morning .