Hockey Hall of Fame forward Bobby Hull, the first NHL player to score more than 50 goals in a season, had chronic traumatic encephalopathy (CTE) when he died in 2023, his widow and the Concussion Legacy Foundation said on Wednesday.

He insisted on donating his brain,” said Deborah Hull, Bobby Hull’s wife of almost 40 years, “feeling as though it was his duty to help advance research on this agonizing disease.”