Racing PositionsSrna tests positive for banned substance1YPA SportShakhtar's Srna rules out Barcelona move1YESPN staffKovacic will be better than Modric - Srna1YDermot CorriganLuis Enrique: 'Barca open to strengthening'1YSam MarsdenShakhtar confirm Barca interest in Srna1YSam MarsdenWhy Srna makes sense for Barcelona1YSam MarsdenFC100: Top right-backs1YNick AmesCroatia captain Srna rejoins the squad1YAssociated PressSrna returns to Croatia for father's funeral1YESPN staff