Barcelona might be at a low ebb with their financial struggles and the departure of talisman Lionel Messi to Paris Saint-Germain, but Sergio Aguero insists his new club should not be written off.

Speaking ahead of their Champions League Group E opener at home to Bayern Munich tomorrow morning (Singapore time), the ex-Manchester City striker, who has yet to make his debut for Barca, told RAC1: "Barcelona are Barcelona, so we have to fight for every title.