Jürgen Klopp has been criticised by fans of his former club Mainz for his decision to join energy drinks company Red Bull and oversee its network of clubs. Mainz supporters held banners during their team’s Bundesliga game against Leipzig – a Red Bull-backed club – in which they addressed their former hero.

“Have you forgotten everything we gave you?” asked one huge banner behind one of the goals, referring to Klopp’s tearful farewell speech when he left the club after 18 years as a player and coach in 2008.

Continue reading...