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Death Certificate Says Pneumonia Progressed to Sepsis in Kyle Busch’s Death as Son Brexton Returns to Racing

The medical finding clarifies the cause of his May 21 death and frames family memorial plans and the sport’s response.

Overview

  • The death certificate, reported by multiple outlets and obtained by Us Weekly, lists bacterial pneumonia that progressed to sepsis as the cause of Kyle Busch’s May 21 death and notes related complications including bleeding and organ failure.
  • A May 20 911 call placed while Busch was at a simulator session described severe breathing trouble and coughing up blood, and he was taken to a Charlotte-area hospital where he died the next day.
  • Family and close friends held a private memorial on Tuesday with a public celebration of life planned for later in Charlotte, according to reporters who covered the service.
  • Hours after the private memorial on Tuesday, 11-year-old Brexton Busch ran practice laps at Charlotte Motor Speedway for a CookOut Summer Shootout shakedown and is scheduled to race in Round 1 on June 8.
  • Richard Childress Racing has suspended use of Kyle’s No. 8 and reserved it for Brexton if he chooses to use it, a move that preserves Kyle’s emblem and reflects growing public support for Brexton as he continues his junior racing path toward future NASCAR eligibility.