sports
Kyle Busch died after pneumonia progressed to sepsis, family says
Updated on: May 23, 2026 / 9:34 PM EDT / CBS/AP
TL;DR
- Kyle Busch's death was caused by severe pneumonia that progressed into sepsis.
- The Busch family released a statement confirming the cause of death.
- Busch collapsed in a driving simulator at a GM facility before his death.
- Sepsis is a dangerous condition resulting from an extreme bodily response to infection.
- Busch had previously experienced illness, including a sinus cold and shortness of breath.
- He was the all-time leader in wins across NASCAR's top three series with 234 victories.