- NASCAR Legend Kyle Busch Cause of Death Revealed TMZ
- NASCAR’s Kyle Busch died after severe pneumonia progressed into sepsis, his family says CBC
- Kyle Busch, two-time NASCAR Cup Series champion, dies at age 41 NASCAR.com
- Kyle Busch family releases statement on cause of death Jayski
- NASCAR Driver Kyle Busch’s Cause of Death Revealed After His Death at Age 41 People.com