What to know about Kyle Busch’s death at 41 CONCORD, N.C. (AP) — NASCAR driver Kyle Busch died Thursday at 41, three days before he was set to run the Coca-Cola 600 at Charlotte Motor Speedway. Here is what to know: How did Kyle Busch die? At this point, the cause of death has not been released and details remain limited. What is known is that Busch was testing in the Chevrolet racing simulator in Concord on Wednesday when he became unresponsive and was taken to a hospital in Charlotte, several people familiar with the situation told The Associated Press on condition of anonymity because details have not been disclosed by Busch’s team or family. EN ESPAÑOL | Lo que se sabe de la muerte del piloto bicampeón de NASCAR Kyle Busch Had Kyle Busch been ill? Busch was thought to have had a sinus cold. While racing May 10 at Watkins Glen, Busch radioed his team requesting a “shot” from a doctor after he finished. Per the TV broadcast, Busch had been struggling with a sinus cold that was exacerbated by the intense G-forces and elevation changes at the New York road course. It’s unclear if that issue had something to do with his death. Busch did race last weekend and won the Trucks Series race at Dover and finished 17th in the NASCAR All-Star race. That would be his final race. How good was Kyle Busch? Busch won 234 races across NASCAR’s three national series — more than any driver in history. He won Cup season championships in 2015 and 2019 for Joe Gibbs Racing. His first championship was particularly impressive. Busch missed the first 11 Cup races of the 2015 season after breaking his right leg and left foot following a crash at Daytona, but came back