Former NFL player Matt Ulrich -- who won a Super Bowl with the Indianapolis Colts in 2006 -- has died, Jim Irsay announced Wednesday. He was 41 years old.

Details surrounding his death have not been revealed at this time.

Irsay shared his condolences on X just minutes ago ... saying even though the offensive guard was with the team for a short time, his presence was felt throughout the organization.

"I am heartbroken to hear of the passing of Matt Ulrich," Irsay said in a heartfelt post. "Matt was with us only two seasons, but left his mark on many."

"Great guy, I hear he was a great dad---and he was a Super Bowl champ.  My prayers to his family.