Kyle Busch cause of death: NASCAR legend died from sepsis, pneumonia according to family statement

Kyle Busch, a two-time NASCAR Cup Series champion, has died from sepsis and pneumonia, according to a statement released by his family on Saturday. Busch was widely regarded as one of NASCAR's all-time greats, having won the Cup Series title twice during his career. The family confirmed the cause of death in an official statement following his passing.