Former Cowboys DE Kneeland Had Early Stage CTE

The Boston University CTE Center analyzed Kneeland's brain tissue after his death and determined he was in stage one of four stages of CTE, a brain abnormality linked to repeated concussions. Kneeland was 24 years old. newsbetting.bond

CTE can only be diagnosed after death, and researchers at the center investigate the long-term consequences of repetitive brain trauma in athletes and others.