By Brendan Maloy
April 25, 2014

The rivalry between Real Madrid and FC Barcelona is over a hundred years old and about as fierce as sporting contests can be, but one Madrid fan has taken it to another level by teaching his dog to snarl whenever he hears the name of one of Barca's players.

This may seem like a fun party trick, but this dog will likely lose his mind if his owner forgets to leave the sound off during El Clásico.

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Metro UK

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