Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide in November 2025 after a police chase, was diagnosed with stage one of four chronic traumatic encephalopathy, a brain disease linked to repeated head trauma, the Boston University CTE Center announced. mchezo.co.za
The 24-year-old former NFL player's brain tissue analysis confirmed he had the earliest stage of CTE, which can only be diagnosed after death. The condition has been found in numerous athletes with histories of concussions.
