DAYTONA BEACH, Fla. — A long time ago in Charlotte, well before William Byron became the 2024 Daytona 500 champion, he was just a kid who went trick-or-treating on Halloween. Since he knew where NASCAR star Jimmie Johnson lived in Charlotte, Byron went with some friends to knock on Johnson’s door. Johnson turned out to be there. He invited the children inside, gave them some candy and — best of all — autographed the pillowcase Byron was using to carry his haul. Byron is all grown up now, 26 years old and one of NASCAR’s most unlikely success stories. He didn’t have a famous last name or relati…
