California authorities say the death of Jeff Sperbeck in a golf cart accident appears to be a horrific accident.

Jeff Sperbeck, a longtime friend and business partner to Hall of Fame quarterback John Elway, has died after falling from a golf cart reportedly driven by Elway in La Quinta, Calif.

Former NFL star John Elway's longtime business partner and former agent has died after reportedly falling from a golf cart. Jeff Sperbeck, 62, died Wednesday from injuries suffered in an accident Saturday evening in La Quinta, California, the Riverside County Coroner confirmed to ABC News.