One of Barcelona's opponents in this year's iteration of the Champions League will be Borussia Dortmund.

That much was officially announced at UEFA's Champions League draw the other day. And it didn't really take long for the teams to start rinsing each other in the comment sections on social media.

But one of the first shots that were fired actually arrived from Borussia Dortmund's official Twitter account as they stated that they should start practising corners before their clash with the Catalans.

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Of course, this was a dig at Barcelona's defeat to Liverpool at Anfield when they conceded a sublime goal from a quickly taken corner kick by the Reds.

Many of Blaugrana's fans quickly jumped to Twitter to respond to this banter with some of their own as they set out to defend their team.

This resulted in many hilarious replies and exchanges in the comment section below the original tweet.

You can see some of their responses below:

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