Guardiola delighted to see off tricky Mainz test
![Guardiola delighted to see off tricky Mainz test](http://static.goal.com/1986700/1986742_gallery.jpg)
![Bayern Munich coach Pep Guardiola Bayern Munich coach Pep Guardiola](http://static.goal.com/1986700/1986742_thumb.jpg)
The former Barcelona coach was happy to see his Bayern side eventually break down their opponents with Robert Lewandowski scoring his 100th German league goal
The former Barcelona coach was happy to see his Bayern side eventually break down their opponents with Robert Lewandowski scoring his 100th German league goal