DFB head Keller faces calls for resignation over Nazi comparison The heads of German regional football bodies called for the resignation of the DFB president, Fritz Keller. The 64-year-old had ruled out stepping down after criticism for comparing a colleague with a Nazi judge. Keller (right) earlier said he apologized for his remark about Koch (left) but that he would stay in his post After a two-day extraordinary meeting, regional and state associations in the German Football Association (DFB) urged the body's president, Fritz Keller, to step down after he had compared Rainer Koch, a DFB vice president, to infamous Nazi judge Roland Freisler.