Kyle Busch, NASCAR
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A doctor explains Kyle Busch’s cause of death at 41, severe pneumonia that turned into sepsis.
Kyle Busch may have shown critical warning signs for days before his sudden death, according to a sports doctor who reconstructed the NASCAR legend’s final timeline and argued earlier intervention might have changed the outcome.
A two-time Cup Series champion and the all-time winningest driver in NASCAR history, Busch was one of racing's most polarizing personalities. He leaves behind his wife, Samantha, and two children.