Joe Mixon. Credit: Nathan Ray Seebeck-Imagn Images Joe Mixon’s NFL future is looking bleaker by the day. The veteran running back hasn’t filed retirement paperwork, but according to NFL reporter Aaron Wilson, Mixon has already told people close to him that his playing career is likely finished. Wilson shared the update during a live video, revealing that Mixon communicated the news directly to some of his former Cincinnati Bengals teammates. “He has not filed his retirement papers,” Wilson said. “He has told former teammates from the Bengals that his career is over.” Wilson did leave the door open slightly, noting that a source close to Mixon mentioned “some hope” for a possible comeback, even while acknowledging that a return remains unlikely at this point. Heartbreaking: Former Texans star RB Joe Mixon has told his former teammates that he believes his NFL career is over. There is "some hope," but Mixon’s c...