Add Yahoo as a preferred source to see more of our stories on Google. The family of late Cowboys defensive end Marshawn Kneeland released the results of a study of his brain following his 2025 suicide ...

DALLAS — Former Dallas Cowboys defensive end Marshawn Kneeland had stage 1 CTE when he died by suicide in November, according to an announcement from the Concussion and CTE Foundation on Tuesday.

AUSTIN, Texas — 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 ...

Eight months after the tragic death of Marshawn Kneeland, new light has been shed on circumstances that almost certainly contributed to the Cowboys defensive end taking his own life in November at the ...

Former Dallas Cowboys defensive end Marshawn Kneeland, who died by suicide in November, has been diagnosed with CTE posthumously, his family has announced. Kneeland’s family donated his brain for ...