From cars to race times, 19-year-old sprinter Erriyon Knighton has an appreciation for all things fast.
He's combining his two passions to provide extra fuel: Should Knighton achieve Olympic glory, he's treating himself to a black McLaren supercar. One thing he can't speed away from are the inevitable comparisons to retired Jamaican sensation Usain Bolt, which Knighton only welcomes as he gears up for the world championships.
