Bayern Munich's Bastian Schweinsteiger (R) vies for the ball during the German first division Bundesliga football match between Bayern Munich and Freiburg in Munich, Germany, on Dec. 16, 2014. Bayern Munich won 2-0. (Xinhua/Philippe Ruiz)

Bayern Munich's Franck Ribery (L) vies for the ball during the German first division Bundesliga football match between Bayern Munich and Freiburg in Munich, Germany, on Dec. 16, 2014. Bayern Munich won 2-0. (Xinhua/Philippe Ruiz)

Bayern Munich's Thomas Mueller (R) vies for the ball during the German first division Bundesliga football match between Bayern Munich and Freiburg in Munich, Germany, on Dec. 16, 2014. Bayern Munich won 2-0. (Xinhua/Philippe Ruiz)

Bayern Munich's Arjen Robben vies for the ball during the German first division Bundesliga football match between Bayern Munich and Freiburg in Munich, Germany, on Dec. 16, 2014. Bayern Munich won 2-0. (Xinhua/Philippe Ruiz)

Bayern Munich's players greet the spectators with a banner which says " Thank you! You are wonderfull" after the German first division Bundesliga football match between Bayern Munich and Freiburg in Munich, Germany, on Dec. 16, 2014. Bayern Munich won 2-0. (Xinhua/Philippe Ruiz)