Bayern Munich have won all the clashes of the Champions League group stage.
In the 6th leg, Bayern Munich beat London's Tottenham Hotspur 3-1. In England, Bayern beat Tottenham Hotspur 7-2. Also, the German champion was stronger than Crvena Zvezda (3-0, 6-0) and the Greek Olympiacos (3-2, 2-0).
The last time this happened to Real Madrid in the 2014/2015 season.