Bayern Munich dropped four second-half goals on Arsenal to all but obliterate their hopes of making it out of the Champions League knockout rounds for the first time in recent memory.

Bayern were superb on the day, but it was Arsenal's spineless capitulation that really stood out as the Gunners slunk away from the Allianz Arena with Alexis Sanchez, David Ospina, and the injured Laurent Koscielny the only players who could truly be proud of their performance. Here are seven takeaways from the shellacking.