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Former Cowboys DE Kneeland Had Early Stage CTE

Published July 7, 2026 · Updated July 7, 2026 · The Guardian

Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide at 24 in 2025 after a police chase, had early stage chronic traumatic encephalopathy, researchers announced Tuesday.

Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide at 24 in 2025 after a high-speed chase with police, had early stage chronic traumatic encephalopathy, his family announced Tuesday. catcrossgame.com

The Boston University CTE Center determined Kneeland was in stage one of four of the brain disease, which can only be diagnosed after death and is linked to repeated concussions.

Former Cowboys DE Kneeland Had Early Stage CTE

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