The Catalans have already won the Club World Cup, the European Supercup and the Spanish Supercup.

CNN: Barcelona have point to prove against Chelsea

The next year they won, Supercup, Champions League and Serie A, the first Italian Club to do so.

FORBES: What Really Makes Real Madrid More Valuable Than Man United?

Barcelona said that it hoped Ibrahimovic would be fit for the Spanish Supercup second leg against Athletic Bilbao on 23 August.

BBC: Ibrahimovic seals Barcelona move

After Chelsea he went to Italy and Internazionale, where his new club won the SuperCup and Serie A title in his first year.

FORBES: What Really Makes Real Madrid More Valuable Than Man United?