Additional details, including the cause of death, regarding John Elway’s longtime friend and agent Jeff Sperbeck, have emerged this Friday.

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.

The Riverside County Sheriff’s Office said there is "nothing to indicate that this is anything more than a tragic accident."