12 how did Chelsea kill Barcelona?

It should be the same as the ball. Chelsea can limit the technical players headed by Messi through tenacious and unstoppable iron and blood defense.

First of all, the coach purposefully cut off the contact between Barcelona players, repelled Barcelona by the running and fighting spirit of redundant opponents, and finally eliminated Barcelona by spiritual strength and the mentality that the past record was not inferior. Paved the way for later champions.