Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide in November 2025 following a police chase, had stage one of four of chronic traumatic encephalopathy, a brain disease linked to repeated head trauma. The diagnosis was confirmed by researchers at the Boston University CTE Center, which analyzed Kneeland's brain tissue after his death. toffler.lol
Ex-Cowboy Kneeland Had Early CTE at Death
Former Dallas Cowboys defensive end Marshawn Kneeland had early stage chronic traumatic encephalopathy when he died by suicide at age 24 in 2025.
