Fans of Bundesliga side Mainz unveiled banners slamming former coach Jurgen Klopp's decision to join Red Bull in Saturday's 2-0 home loss against RB Leipzig. His decision to take up the job at Red Bull has annoyed supporters in Germany -- particularly at ex-clubs Dortmund and Mainz -- who have a long-standing dislike of RB Leipzig.

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RB Leipzig coach Marco Rose said Jurgen Klopp, who has been appointed head of football at parent company Red Bull, had the "expertise and aura" to boost the club.Former Liverpool, Borussia Dortmund and Mainz boss Klopp is set to start a new role as head of football operations at Red Bull,

Jürgen Klopp has been criticized by fans of his former club Mainz for his decision to join energy drinks company Red Bull and oversee its soccer clubs.

Jürgen Klopp was announced as the global head of soccer for the Red Bull group on Wednesday in what will be his first job since leaving Premier League giant Liverpool earlier this year.

Jürgen Klopp was on Saturday criticized by fans of his former club Mainz for taking the position of Head of Global Soccer at energy drinks makers Red Bull from January onwards. Fans protested with a number of banners during the Bundesliga match against RB Leipzig,

Jurgen Klopp was criticized by fans of his former club Mainz on Saturday for his decision to join energy drinks company Red Bull and oversee its soccer clubs.

Angry Mainz fans made their feelings known to Jurgen Klopp as they put up banners protesting the former coach's move to the Red Bull group.