5. Borrussia Dortmund

With the success they had last year, Borussia Dortmund increased their fan base throughout the world.

Known for having some of the best fans in the world, Dortmund are not only popular in Germany but across the globe.

The atmosphere before every home game is world-renowned, and Jurgen Klopp's brand of exciting, passionate football has won BVB millions of admirers.

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#Borussia Dortmund
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