Nascar champion Kyle Busch died of pneumonia and sepsis, family says BBC2-time NASCAR champ Kyle Busch dies at 41 after being hospitalized with a ‘severe illness’ AP NewsKyle Busch needed an ambulance the day before his death due to shortness of breath and coughing up blood, 911 call shows CNNNASCAR’s Kyle Busch was short of breath, coughing up blood day before his death, 911 call reveals Stuff
