The Hollywood Reporter said former NFL star Barry Sanders will take over the opening segment with a video introduction to the telecast.
Sanders sent out a tweet this week confirming he would "be at MNF this week and doing the intro."
Exactly what the intro entails was not immediately known, but an ESPN representative told THR the show would probably not be getting a new theme song this season.
Williams and his song "All My Rowdy Friends" had kicked off Monday Night Football since 1991. ESPN cut ties with him this month after he called Obama and Vice President Joe Biden "the enemy" and said Obama and House Speaker John Boehner playing golf together was "like Hitler playing golf with (Israeli Prime Minister Binyamin) Netanyahu."