Bayern Munich legend Jean-Marie Pfaff says Bayern must be wary of Barcelona's attacking threat, but feels the Germans are a much stronger side. Bayern Munich opened up a 15-point gap at the top of the Bundesliga following a hard-fought 1-0 home victory on Saturday against Hertha Berlin. The Bavarians failed to hit the heights of the gala Champions League performance against Porto and had to wait until Bastian Schweinsteiger's sweet strike ten minutes from time to finally breach the "Berlin Wall." Interestingly, Bayern have never been crowned Bundesliga champions at the Allianz Arena and the Reds will have to wait and see if nearest challengers...