Parents of late NFL star Demaryius Thomas reveal he suffered CTE Stage 2 - ABC News
What is C.T.E.? - The New York Times
NFL star Demaryius Thomas had degenerative brain disease CTE when he died aged just 33
Demaryius Thomas suffered from Stage 2 CTE at time of his death, parents say – WSB-TV Channel 2 - Atlanta
Former NFL receiver Demaryius Thomas' family says he had CTE
Former NFL star Demaryius Thomas had Stage 2 CTE, family says
Broncos receiver Demaryius Thomas was suffering from Stage 2 CTE when he died at 33
Katie Conway - Good Morning America
Demaryius Thomas - Wikipedia