We're told Elway, Sperbeck, their wives, and John's son were on their way back from a post-Stagecoach party around 7 PM on April 26 ... when Jeff fell off the back of the cart, hitting his head on the ground, and suffering a traumatic brain injury.
Jeff Sperbeck, John Elway's longtime agent and friend, is being remembered by his family after his death ... they say he was a wonderful man.
Jeff's wife, Cori, and the Sperbeck family tell TMZ ... "We are deeply saddened to share the passing of our beloved Jeff Sperbeck. He was a wonderful father, husband, brother, son and friend to many and will be profoundly missed by all."
The family adds ... "We are grieving this unimaginable loss as a family alongside our dearest friends the Elways and the many other clients Jeff called friends. We are grateful for the overwhelming outpouring of support that we have received and ask for privacy for our family at this difficult time."
John Elway's breaking his silence over the death of his longtime agent and best friend ... saying he's absolutely crushed over the tragedy.
“I am absolutely devastated and heartbroken by the passing of my close friend, business partner and agent Jeff Sperbeck. There are no words to truly express the profound sadness I feel with the sudden loss of someone who has meant so much to me," the 2x Super Bowl winner wrote.
TMZ.com
Elway continued ... "My heart and deepest sympathies go out to Jeff’s wife, Cori; his children Carly, Sam and Jackson; and everyone who knew and loved him. Jeff will be deeply missed for the loyalty, wisdom, friendship and love he brought into my life and the lives of so many others.”
Cops have opened an investigation into the golf cart accident that's left John Elway's longtime friend, Jeff Sperbeck, fighting for his life, TMZ Sports has confirmed.
The Riverside County Sheriff's Office tells us ... it's started to probe the matter -- which occurred on Saturday evening in La Quinta, Calif. -- but right now, everything is "purely informational."
We're told investigators are in the process of gathering info ... and conducting interviews with witnesses. Ultimately, cops say the goal is to determine if a criminal act occurred.
4/30 10:47 AM PT -- Jeff Sperbeckpassed away at 1:10 AM on Wednesday, officials tell TMZ Sports.
4/29 5:40 PM PT -- We've now confirmed Elwaywas indeed behind the wheel of the golf cart.
NFL legend John Elway was right in the middle of the golf cart accident that left his longtime friend on life support, and he might have been driving ... TMZ Sports has learned.
Law enforcement and other sources tell us Elway was on the golf cart Saturday evening in La Quinta, California when Jeff Sperbeck -- John's business partner and former agent -- fell off the back of the moving vehicle, rolled and hit his head on asphalt ... suffering a traumatic injury.
John, Jeff and their wives had been at the Stagecoach music festival earlier in the day in nearby Indio, and were leaving a post-party when the accident happened.
Jeff Sperbeck, John Elway's longtime business partner, is in the hospital on life support ... following a horrific golf course accident over the weekend, TMZ Sports has learned.
We're told Sperbeck was at The Madison Club in La Quinta, CA on Saturday afternoon, riding on the back of a golf cart, when something went terribly wrong ... and Jeff somehow fell off the moving vehicle, landing on the ground, and hitting his head.
Jeff's wife and at least one other person noticed Sperbeck was down and quickly turned around to check on him. It was immediately clear the longtime sports agent was in bad shape, and someone called for help.