This Aug. 9, 2014 file photo shows an NFL logo on a goal post pad before a preseason NFL football game between the Detroit Lions and the Cleveland Browns at Ford Field in Detroit. A federal judge Wednesday, July 18, 2018 denied a request from the NFL to appoint a special investigator to look into what the league says is extensive fraudulent claims on the $1 billion concussion settlement. (AP Photo/Rick Osentoski, File)