Barcelona began Ronald Koeman's tenure as manager with a 3-1 friendly win over Gimnastic de Tarragona on Saturday.
After Ousmane Dembele opened the scoring in the fifth minute, penalties from Antoine Griezmann and Philippe Coutinho guided Koeman's side to a comfortable victory.
Barcelona lined up in a 4-2-3-1, a system rarely used at the club in the past, with the entire starting side switched out at half-time.
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Sergio Busquets and Carles Alena began the match as the holding midfielders before being replaced by Frenkie de Jong and Riqui Puig, with Koeman stressing afterwards that having two players occupy such a role will allow the team to attack with more versatility.