Conrad Dobler, a former offensive lineman in the NFL, was diagnosed with chronic traumatic encephalopathy, or C.T.E. after he died in 2023. Dobler was an offensive lineman for the St.

Former NFL guard Conrad Dobler had CTE at the time of his death at age 72 in February 2023, according to researchers at the Boston University CTE Center.

Conrad Dobler embraced the violent nature of the NFL so completely that in the 1970s, he was dubbed “Pro Football’s Dirtiest Player.”

Former Pro Bowl guard Conrad Dobler, once dubbed the NFL's "dirtiest player," had chronic traumatic encephalopathy (CTE) at the time of his death in 2023.

The family of Conrad Dobler, once regarded as the dirtiest player in the NFL, said he had CTE based on a study of his brain after his death in 2023.

The family of late St. Louis Cardinals offensive lineman Conrad Dobler said Wednesday that he had an advanced form of chronic traumatic encephalopathy. Conrad Dobler was dubbed "Pro Football's Dirtiest Player.