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.

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.

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 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.