Pep Guardiola and Thiago Alcantara will both face a visit from their former employers on Wednesday night, when European heavyweights Barcelona and Bayern Munich meet in a friendly.
The Catalan club have travelled to Germany without a manager, following the resignation of Tito Vilanova last week, and former assistant Jordi Roura is to take charge in his place.
Gerardo Martino has since been appointed the new coach of Barcelona, but he is unlikely to be present at the friendly.
For Pep Guardiola, the game might feel like more than just a friendly. At a recent press conference, the Bayern boss slammed the board of his former club for their accusations about his relationship with his former assistant.
Referring to Vilanova, Pep revealed: "I will never forget that they used Tito's illness to cause me damage, because it's a lie that I never saw him in New York."
Guardiola is in the process of implementing his own style of football in Munich. Despite inheriting European champions, he has been quick to switch from the successful 4-2-3-1 shape to a diamond formation.
Additionally, Philipp Lahm has been operating in midfield, and the Bavarian club will want to build on their friendly wins over Hamburg and Borussia Monchengladbach last weekend.
Meanwhile, Barcelona will have their own score to settle after their humiliating 7-0 aggregate defeat to Bayern in the semi-final of last season's Champions League.
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