DAL Marshawn Kneeland
NFL defensive end. Position: DE. Team: Dallas Cowboys.
Quick Facts
- Position: Defensive End
- Team: Dallas Cowboys
- Drafted: 2024 NFL Draft, Round 2
2026 Outlook
Marshawn Kneeland died by suicide in November 2025. An autopsy revealed he had stage 1 CTE at the time of his death, linked to repeated head impacts from tackle football starting at age 7. His case highlights the ongoing concerns about chronic traumatic encephalopathy in contact sports and the limitations of current concussion protocols in preventing long-term brain damage (per Former Cowboys defensive end Marshawn Kneeland had early stage CTE when he died at 24 - The Guardian).
Recent News
- 2026-07-07 — Former Cowboys edge rusher Marshawn Kneeland diagnosed with CTE after death at age 24 (Former Cowboys edge rusher Marshawn Kneeland diagnosed with CTE after death at age 24)
- 2026-07-07 — Late Cowboys player Marshawn Kneeland diagnosed with CTE (Late Cowboys player Marshawn Kneeland diagnosed with CTE)
- 2026-07-07 — Posthumous CTE diagnosis announced; stage 1 CTE confirmed by Boston University CTE Center (Former Cowboys defensive end Marshawn Kneeland had early stage CTE when he died at 24 - The Guardian)