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

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 illness: Richard Childress Racing announced that Austin Hill, who drives the No. 21 for RCR in the O'Reilly Auto Parts Series, will take Busch's place in the No.…

Busch won more races than anyone across NASCAR’s three national series.

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