- Kyle Busch died after severe pneumonia progressed into sepsis, family says Sportsnet
- Family says Kyle Busch died from severe pneumonia, sepsis ESPN
- Kyle Busch, two-time NASCAR Cup Series champion, dies at age 41 NASCAR.com
- Kyle Busch family releases statement on cause of death Jayski
- Kyle Busch’s No. 8 car to be retired until son is ready to take over Sportsnet
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