Jurgen Klopp's Red Bull Decision 'Ruined Life's Work' Say Dortmund Fans

Borussia Dortmund fans have reacted with anger and frustration after former coach Jurgen Klopp's announcement he will take over as head of football operations at Red Bull. The energy drink company, which owns Dortmund's Bundesliga rival RB Leipzig along with teams in Salzburg and New York, made the surprise announcement on Wednesday, with the former Liverpool coach starting his role in January. Klopp became a local hero in Dortmund, delivering two Bundesliga titles and a German Cup during his seven years at the club while also taking them to the 2013 Champions League final.

The Dortmund fanzine Schwatzgelb, however, said that Klopp had destroyed his reputation and "torn it down with a bang".

It also took issue with Klopp's self-label of 'the normal one', a tongue-in-cheek reference to Jose Mourinho's declaration he was 'a special one' on arriving at Chelsea.

"The normal one, unfortunately (is) normal on all levels. Normal like everyone else in this dirty business," the magazine wrote.

"Jurgen Klopp's decision to support Red Bull has ruined his life's work, at least for a large proportion of fans in Dortmund and in Germany," it said while adding he had given a "well-mannered middle finger" to Dortmund fans.

The 57-year-old had retained his reputation in Dortmund in spite of leaving for Liverpool in 2015 where he went on to win several titles, including the Champions League and Premier League, before stepping down in the summer, citing a lack of energy.

He was given a rousing reception at a testimonial match in September in front of 81,365 fans at Dortmund's Westfalenstadion.

His willingness to speak out on social issues -- including commercialism in football -- has also formed part of his legacy, as has his 'everyman'