NASCAR racer Kyle Busch died of sepsis that developed from severe pneumonia, his family announced on Saturday.

Kyle Busch, who won more races than anyone across NASCAR's three national series, has died at 41. A joint statement from the Busch Family, Richard Childress Racing and NASCAR said…

Kyle Busch's family earlier Thursday announced he had been hospitalized with a "severe illness."

Kyle Busch has died after he was hospitalized with an illness.

The race car driver was hospitalized earlier in the day due to a "severe" illness, according to a statement from his family.