Boateng’s possible return has resulted in controversy stemming from a past of domestic violence allegations, and Bayern fans aired an angry banner in last weekend’s Der Klassiker win over Borussia Dortmund. The club’s response, so far, has been dismissive.

Bayern Munich's latest star, 17-year-old Lennart Karl, scored again as his team kept up its perfect start to the Bundesliga season and racked up its 13th win in a row in all competitions.