Researchers have diagnosed former NFL receiver Vincent Jackson as suffering from stage 2 chronic traumatic encephalopathy.

Tampa Bay Buccaneers wide receiver Vincent Jackson (83) lines up against the Los Angeles Rams during an NFL football game, Sunday, Sept. 25, 2016, in Tampa. (Jeff Haynes/AP Images for Panini)BRANDON, Fla. – Former NFL wide receiver Vincent Jackson was found dead Monday at a Florida hotel room, days after authorities spoke with him as part of a welfare check, according to the Hillsborough County Sheriff’s Office. “My heart aches for the many loved ones Vincent Jackson leaves behind, from his wife and children to the Buccaneers nation that adored him,” Chronister said in a statement posted on social media. The son of military parents, Jackson founded the Jackson In Action 83 Foundation, a nonprofit to support military families. The Chargers, now based in Los Angeles, said Jackson was “gone too soon.”“We are shocked and deeply saddened by news of Vincent Jackson's sudden passing.