This, from all appearances and from all evidence, seems to just be a horrific accident,” Riverside County Sheriff Chad Bianco previously told The Denver Post.

On Friday, coroner officials released a statement saying Jeff Sperbeck, John Elway's agent, cause of death was ruled accidental and resulted from blunt head trauma.

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