Jeff Sperbeck, friend and agent of former NFL quarterback John Elway, died of blunt head trauma suffered during a golf cart accident on April 26, according to a coroner's report described by TMZ Sports. The Riverside County Sheriff's Office Coroner's Bureau has ruled Sperbeck's death as an accident, according to TMZ.

The Riverside County Sheriff's Office and Coroner's Bureau confirmed John Elway's agent Jeff Sperbeck's cause of death on Friday, May 9 following the April 26 golf cart accident in La Quinta, Calif.

NFL legend John Elway lost his friend and longtime agent Jeff Sperbeck in a freak accident. This week, the cause of death was officially declared. On Friday, TMZ reported that Sperbeck's death was ruled as "blunt head trauma.