Rich Perry was an Olympic hopeful when he sustained a gruesome injury at a training camp in 2018. The question now is whether he can ever fully be himself again.
For Black riders with natural hair, finding a helmet that fits can be virtually impossible. Some are trying to raise awareness of the problem, but manufacturers say it’s not a simple fix.
The N.F.L. said its concussion protocols were followed when Tua Tagovailoa hit his head on Sunday. On Thursday, the quarterback left the field on a stretcher after a second head hit.