- Nascar champion Kyle Busch died of pneumonia and sepsis, family says BBC
- Family says Kyle Busch died from severe pneumonia, sepsis ESPN
- Kyle Busch’s cause of death revealed: severe pneumonia, sepsis Yahoo Sports
- Kyle Busch, two-time NASCAR Cup Series champion, dies at age 41 NASCAR.com
- NASCAR Driver Kyle Busch’s Cause of Death Revealed After His Death at Age 41 People.com
Nascar champion Kyle Busch died of pneumonia and sepsis, family says – BBC