Nascar champion Kyle Busch died of pneumonia and sepsis, family says BBCKyle Busch leaves legacy as racing world’s towering, bright light NASCAR.comKyle Busch was more than a villain and the greatest NASCAR driver of his generation AP NewsKyle Busch’s car unloaded first at Charlotte in somber moment for NASCAR USA Today911 audio reveals NASCAR’s Kyle Busch was short of breath, coughing up blood day before death CBC
