Marshawn Kneeland Posthumously Diagnosed with Stage 1 CTE
Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide at age 24, has been posthumously diagnosed with early stage Chronic Traumatic Encephalopathy (CTE). Researchers concluded he had stage 1 CTE at the time of his death, with new reports explaining the nature of Stage 1 CTE.
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Former Cowboys defensive end Marshawn Kneeland had early stage CTE when he died at 24
Kneeland died by suicide in 2025 after police chase Researchers determine he was in stage one of four Brain disease can be diagnosed only after death 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 concussions, his family announced Tuesday. The Boston University CTE Center, which investigates the long-term consequences of...
By Associated Press
Read full article →What is Stage 1 CTE? Explaining Marshawn Kneeland diagnosis
Kneeland, a former Cowboys defensive end, died by suicide in November 2025.
Read full article →Marshawn Kneeland, Cowboys DE Who Died By Suicide, Diagnosed W/ CTE
Marshawn Kneeland, late Cowboys pass rusher who took his life in November, has been diagnosed with chronic traumatic encephalopathy (CTE), according to doctors. The 24-year-old pass rusher's brain was sent to the center for a posthumous examination…
By TMZ Staff
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