When it comes right down to it, the fact that the article is about football players is of no importance, it's just that this subset of individuals has data on them.
The media and left-leaning groups want to portray blacks as the genius beings of the higher primate world, when in fact data that isn't immediately suspect (in this case, due to the money being paid out by the insurers for injury) shows the exact opposite.
Also, since this is about American football, it's worth bringing up the difference in size of American blacks and African blacks. So, American football "is" of importance. During slavery, some blacks were bred for certain traits, size and strength was helpful for farm work. Brains, not so much. This is reflected in my earlier comment about them filling the "line" positions, especially on defense. Less brains required, size required.
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