By Ewan Murray Despite having very little left to play for this season, Barcelona still have to motivate themselves for the visit of Real Sociedad in La Liga on Monday night. Xavi’s side fell to a hugely disappointing 4-2 defeat to Girona last time out after conceding three goals in nine second-half minutes – a result that handed the La Liga title to their fierce rivals Real Madrid. With Champions League qualification already secured, this promises to be nothing more than a dead rubber for the Catalan club. Barcelona only have a few injuries to contend with ahead of Monday’s clash and should b…