We’re doing everything we can to make sure that this is what it appears to be, and just an accident,” Sheriff Chad Bianco said.

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.

John Elway’s longtime agent and business partner, Jeff Sperbeck, has died from injuries sustained in a recent golf cart accident. Sperbeck fell off of a golf cart being driven by Elway and suffered a traumatic brain injury.