His son , Jed Roberts , also played in the CFL , for the Edmonton Eskimos .
Later research showed that Roberts ' brain showed a presence of chronic traumatic encephalopathy ( CTE ) , a disease linked to repeated sustenance to concussions .
Roberts ' son , Jed Roberts , also played in the CFL , for the Edmonton Eskimos .
Later research showed that Roberts ' brain showed a presence of chronic traumatic encephalopathy ( CTE ) , a disease linked to repeated sustenance to concussions .