Former Cowboys defensive end Marshawn Kneeland has been posthumously diagnosed with CTE. https://www.espn.com/nfl/story/_/id/49296262/late-cowboys-player-marshawn-kneeland-diagnosed-cte

Jul 7, 2026@AdamSchefterAdam Schefter (ESPN)

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Former Cowboys defensive end Marshawn Kneeland has been posthumously diagnosed with CTE. espn.com/nfl/story/_/id/4929… Link Cowboys player Kneeland diagnosed with CTE Former Cowboys defensive end Marshawn Kneeland has been posthumously diagnosed with CTE. espn.com