Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide in November 2025 after a high-speed chase with police, had early stage chronic traumatic encephalopathy, his family announced Tuesday. The Boston University CTE Center determined Kneeland, who was 24, was in stage one of four of the brain disease linked to repeated concussions. cricket-info.homes
CTE can only be diagnosed after death. Kneeland's case adds to growing concerns about brain injuries in contact sports.
