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.

TMZ reported Tuesday that former Denver Broncos star John Elway was behind the wheel of a golf cart when his longtime agent and business partner, Jeff Sperbeck, fell off and hit his head. Elway and Sperbeck are longtime friends and business partners,