Hansi Flick’s big dilemma ahead of the Rayo Vallecano clash – reportBarcelona coach Xavi Hernandez plans more squad rotation this season, minimizing the gap between starters and bench players. Ferran Torres’ strong pre-season form presents a selection dilemma, challenging Robert Lewandowski for the starting striker role against Rayo Vallecano. Torres scored in both opening matches, while Lewandowski returns from injury.