Breaking: Kyle Busch’s Family Reveals Cause of Death

Two-time NASCAR Cup champion Kyle Busch died of complications from a case of pneumonia, his family revealed on Saturday.

According to a statement from Busch’s family, Busch’s death at 41 Thursday was due to “severe pneumonia [that] progressed into sepsis,” Fox News reported.

“The medical evaluation provided to the Busch Family concluded that severe pneumonia progressed into sepsis, resulting in rapid and overwhelming associated complications.”

Statement from Kyle Busch family on what caused his death: “The medical evaluation provided to the Busch Family concluded that severe pneumonia progressed into sepsis, resulting in rapid and overwhelming associated complications.” @NASCARONFOX

— Bob Pockrass (@bobpockrass) May 23, 2026

It was known Busch had been battling an illness assumed to be relatively benign, if lingering. Busch raised eyebrows, however, when he asked for a “shot” to combat the symptoms over the radio during the May 10 race at Watkins Glen in New