Many underdog teams are performing wonders these days and manning up to the supposed big teams. Yesterday was terrific for Bayern Munich with a narrow escape from sharing the points with Wehen Wiesbaden yesterday in a group match. It was not funny for them as they were shown  a big challenge by the supposed underdogs. I still agree with you that when it comes to the most critical stages of these competitions, the bigger clubs tend to prevail since they are more experienced and have more quality players and managers who bring strategies to overcome these lower teams at those levels. In England yesterday, in a similar cup, a tier D team won Manchester united on penalty shootouts, sending the red devils home