* The New England Patriots team roster is still majority black. The whitest teams in the NFL are mostly black, even though whites heavily outnumber blacks in America.
I think it would be far more fascinating if instead of the Pro Bowl there was a Race Bowl, pitting the best white players and coaches against their black counterparts. That might get a bigger audience than even the Super Bowl.
* Besides maturing later, whites tend to lose their speed faster than blacks. The great baseball player Mike Trout has gone from stealing 49 of 54 bases at age 20 to 11 of 18 at 23.