Former Dallas Cowboys defensive end Kneeland had early stage CTE at time of death
· KRGV (NBC 5)
Marshawn Kneeland, a former Dallas Cowboys defensive end, was found to have early-stage chronic traumatic encephalopathy (CTE) at the time of his death by suicide in November 2025. Kneeland, 24, had been involved in a high-speed police chase before his passing. His family revealed that Boston University researchers diagnosed him with stage one CTE, a brain condition linked to repeated head trauma, which can lead to mood swings and depression. They aim to raise awareness about the struggles faced by athletes in contact sports. Kneeland had played football since age 7 and was drafted by the Cowboys in 2024.
AI summary · Source: KRGV (NBC 5) →


