Kyle Busch suffered from severe pneumonia that progressed into sepsis, “resulting in rapid and overwhelming associated complications,” the NASCAR driver’s family said in a statement Saturday. The statement was based on a medical evaluation provided to the family, it said. Busch died Thursday at age 41 after being hospitalized on Wednesday night, and the motorsports world has mourned the racing legend’s shocking loss in the days since. The quick decline in his health followed a weeks-long illness that Busch continued to race through. On May 10, Busch was racing at...

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

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

Busch, a two-time NASCAR champion, died at 41 on Thursday

Kyle Busch died after severe pneumonia progressed into sepsis, leading to rapid complications.