James Ellingson Cox was a professional American football guard. He was a member of the San Francisco 49ers of the All-America Football Conference. After football, Cox worked as an attorney in Contra Costa County. In 1955, he investigated boxing and wrestling practices for the California State Athletic Commission, looking for ties to organized crime, and for a rumored conspiracy to monopolize matches. References Players of American football from St. Louis San Francisco 49ers (AAFC) players American football offensive guards California Golden Bears football players California lawyers Stanford Cardinal football players 1920 births 2014 deaths 20th-century American lawyers San Francisco 49ers players