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Former Dallas Cowboys defensive end Kneeland had early stage CTE at time of death

Former Dallas Cowboys defensive end Kneeland had early stage CTE at time of death
Photo: KSAT 12 (ABC) - San Antonio News · view original

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, a brain abnormality linked to repeated head trauma, his family announced Tuesday.The Boston University CTE Center, wh...

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