He played two seasons with the cowboys until his death in 2025. 6 death of marshawn kneeland, a defensive end in his second year with the dallas cowboys, is being investigated as a suicide Dallas cowboys defensive end marshawn kneeland has died at 24, the organization confirmed thursday morning How did marshawn kneeland die Dallas cowboys defensive end marshawn kneeland died thursday morning from an apparent suicide following a police pursuit and vehicle crash, according to authorities. Dallas cowboys defensive lineman marshawn kneeland died early thursday morning, the team announced
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