What is with Bayern Munich?!

Surely you have asked this if you watched the last two rounds of the Bundesliga. Robben is back, but Bayern did not achieve the expected results.
 After the defeat of Borussia Dortmund was followed another unexpected defeat of Mainz.
 Bayern are now dangerously embarrassed, losing 3-2 in Mainz.
 It is important to say that Robben did not play a minute! Perhaps because of the strange tactics, Bayern Munich lost the match

image source: www.goal.com