Vincent Jackson's foundation is thanking fans for making donations in the NFL star's honor following his death ... saying the support will keep his legacy alive for years to come.
The 38-year-old ex-NFL star was found dead in a Florida hotel room on Monday. Officials have not yet determined the cause of death.
The Jackson In Action 83 Foundation -- which provides support and resources to military families -- released a statement following the tragic death ... saying, "While there is a hole in our hearts that can never be filled, we take solace in knowing that Vincent positively impacted so many lives.