Philipp Lahm played the final match of his professional career against Freiburg on Matchday 34. - © © gettyimages / Alexander Hassenstein Philipp Lahm played the final match of his professional career against Freiburg on Matchday 34. - © © gettyimages / Alexander HassensteinChampions Bayern celebrate title - as it happened!21.05.2017The celebrations went on late into the night in Munich after Bayern Munich beat Freiburg in Philipp Lahm and Xabi Alonso's final competitive appearance.