After his side defeated Ajax 3-1 to qualify for the Europa League last 16 on Thursday, a smiling Union Berlin boss Urs Fischer said simply "the insanity goes on". The next stop on Union's 'insane' journey? German powerhouses Bayern Munich on Sunday. Union sit alongside Bayern and fellow powerhouses Borussia Dortmund atop the Bundesliga, separated only by goal difference - a pre-season outcome likely beyond the dreams of even the most ambitious Unioner. Shortly after beating Ajax on Thursday, with Union's players dancing in front of the all-standing terraces, the fans began a chant, promising to "pull the Lederhosen off the Bavarians".