they don't. the only advantage they will actually have is in regards to twitch muscle.  otherwise black athletes are the result of dei in sports. they are chosen explicitly as a form of propaganda and resources are pooled into them.  if you look at extreme sports, strong man competitions and more niche sports it is almost always dominated by white men. because it isn't dictated by money. the other issue is that for universities the only way for many of them to meet their dei targets was for them to allow blacks in using sports. because they could never get into the school using academics. because of this you have further bias ontop of the scouting bias.
Canada