Hansi Flick could now reportedly sell an FC Barcelona wonderkid wanted by Arsenal this summer if two conditions are met. The Catalan giants are once again on a mission to recoup as much money as possible this transfer window as Barcelona’s financial worries have again been well-publicised following the departure of Xavi Hernandez last month. With Flick now in the hot seat, the German manager will be tasked with doing as much as he can to raise some capital and to build a squad that can challenge Real Madrid for the La Liga title as well as the UEFA Champions League. And one player could now be…