The Latest Breaking News from Ann McKee

Former Dallas Cowboys Player Marshawn Kneeland Was Posthumously Diagnosed with CTE

Newly released findings confirmed former Dallas Cowboys player Marshawn Kneeland was diagnosed with CTE after his death at age 24. The case adds to growing evidence that the degenerative brain disease can develop in athletes far younger than previously recognized.

Medical Daily · Jul 8

What Is Chronic Traumatic Encephalopathy? Symptoms, Causes and Cure Explained After Marshawn Kneeland's Diagnosis

The posthumous diagnosis of Marshawn Kneeland with Stage 1 CTE highlights ongoing research into the disease's causes, symptoms, and potential treatments.

International Business Times UK · Jul 8

Chicago Bears great diagnosed with degenerative brain disease a year after his death

Steve McMichael passed away in April 2025 following a five-year battle with ALS

The Independent UK · Apr 7

Former Sounder Jimmy Gabriel had CTE. His family is pushing for head safety in soccer.

TUKWILA, Wash. — Jimmy Gabriel told the best stories.

Tribune News Service · Jul 16, 2023

US soccer officials to discuss head injuries as 4 more ex-players diagnosed with CTE

Four more former professional soccer players have been diagnosed with chronic traumatic encephalopathy

The Independent UK · May 16, 2023

Former NFL star and CBS sports anchor Irv Cross had the brain disease CTE

The Philadelphia Eagles cornerback, who became the first Black man to work full-time as a sports analyst on national television, is the latest football player diagnosed with CTE. Cross died in 2021.

WEKU · Feb 28, 2023

Former NFL star, CBS anchor Irv Cross had brain disease CTE

Former Philadelphia Eagle and CBS NFL announcer Irv Cross has been diagnosed with the brain disease CTE

The Independent UK · Feb 28, 2023

More than nine in 10 former NFL players’ brains studied at Boston University found to have CTE

More than nine in 10 brains of former NFL players examined by Boston University researchers had the harmful brain condition known as CTE, the scientists said this week.

Tribune News Service · Feb 8, 2023

NFL’s Demaryius Thomas died from seizure disorder: autopsy

Former NFL wide receiver Demaryius Thomas died from “complications of seizure disorder,” according to an autopsy released Friday.

Tribune News Service · Aug 7, 2022

Researchers Say Demaryius Thomas Had Stage 2 CTE

The former All-Pro wide receiver also dealt with unrelated seizures before his death last December at age 33.

Sports Illustrated · Jul 5, 2022