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.

Sperbeck's fall occurred at around 7 p.m. on Saturday, April 26, at the Madison Club in La Quinta during Stagecoach country music festival.

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.