Manchester United face Barcelona in Gothenburg on Wednesday evening in the most glamorous of pre-season friendlies.

United have already been to Africa and Asia this summer, but come to Scandinavia with a full-strength squad for the first time during pre-season, having welcomed Wayne Rooney and Nemanja Vidic back into the fold on Sunday.

Barcelona, meanwhile, drew 2-2 with Paris Saint-Germain in their most recent friendly encounter, and will be keen to complete a morale boosting win over United as the new season edges ever closer.

GMF has highlighted the five key battles that are likely to decide the winner at the Ullevi Stadium...

Lionel Messi v Nemanja Vidic. (©GettyImages)

Xavi v Paul Scholes.  (©GettyImages)

Gerard Pique v Wayne Rooney. (©GettyImages)

Dani Alves v Ashley Young. (©GettyImages)

Andres Iniesta v Michael Carrick. (©GettyImages)

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