By
Mark Osborne
Updated on: May 23, 2026 / 12:39 PM EDT
/ CBS/AP
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Kyle Busch, who won more races in NASCAR's top three series than anyone in history, died suddenly on Thursday.
By
Mark Osborne
Updated on: May 23, 2026 / 12:39 PM EDT
/ CBS/AP
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Kyle Busch died after complications from sepsis, severe pneumonia, family says

Kyle Busch died of pneumonia that progressed into sepsis: What we know

Kyle Busch died after severe pneumonia led to sepsis, his family says

Kyle Busch’s family says the NASCAR superstar died after severe pneumonia progressed into sepsis | CNN

Kyle Busch died of severe pneumonia, family says

Kyle Busch died after severe pneumonia progressed into sepsis, his family says

NASCAR champion Kyle Busch died from severe pneumonia, sepsis

Family announces Kyle Busch’s cause of death - UPI.com

NASCAR Champion Kyle Busch Died After Severe Pneumonia Progressed Into Sepsis, His Family Says

NASCAR driver Busch died of sepsis after pneumonia: family