That would be Patriots receiver Julian Edelman, who offers to accompany Jackson on visits to DC's Museum of African American History and Culture and the Holocaust Museum.
Followed by some "uncomfortable conversations."
Which, in a world of that respects legitimate, frank, factual and honest dialogue, would be likely be productive.
From what I can tell, the nearest such world where that could occur is no closer than Polaris.
Anyway, if you're keeping track, that makes a total of one (1) player who's called Jackson out.
Watching the League go the way of chariot racing isn't going to hurt at all.