I watched the players do a drill for a few minutes. It was a DB drill. They backpedaled 10 yards, turned around, and sprinted 20 more yards.
Our population is about 13% black, but 16 of the 18 participants I saw were black. (I rewound to do a count)
Granted, it's a small sample size. But what do you think explains this statistical anomoly?


I can't imagine anything more dull than the NFL combine.
That said it's probably a mix of factors. The legacy of slavery, as bigger, stronger slaves were probably more valued and frankly encouraged to breed more. Also people from the African continent seem to just be better runners overall, probably due to distribution of body weight and muscle mass. A third factor is the same reason a lot of entertainers are people of color: if you have economic Privelege you are less likely to roll the dice on a high risk high reward career like athletics or entertainment than if you are less affluent. We're quite good in this country at identifying the athletically gifted poor kids and routing them to better schools to play sports.