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Two quick fire second-half goals from Serge Gnabry gave Bayern Munich a comfortable lead before Robert Lewandowski struck to seal a 3-0 victory for the German side in the 76th minute.
Chelsea now have a huge mountain to climb as the Blues visit the Allianz Arena in a fortnight.
Former Chelsea and Bayern Munich midfielder Michael Ballack has revealed that Chelsea made it easy for Bayern by sitting too deep, and also felt sorry for Chelsea youngster Mason Mount who couldn’t cope with the pace of Alphonso Davies.
“He [Mount] was a bit unlucky, he was doing one versus one against Davies,” Ballack told Chelsea TV.
“He has phenomenal speed which you don’t just see in the Bundesliga but at international level, it’s outstanding.
“He had two or three good runs and maybe a little bit of an advantage but he got beaten really quick.
“But you also have to find different ways, that’s a learning process, next time he will position himself better, maybe they [the team] push up.
“Also it’s a learning in the group as a team about positioning on the pitch better.
“I thought most of the time they were too deep. ‘Even if you play sometimes deep, it’s not a problem to have it under control, but you have to change rhythm as well but they couldn’t do it, they couldn’t create it.”