Barcelona defender Andreas Christensen picked up a calf injury during Denmark's Euro 2024 qualifier against Finland on Thursday.
UEFA will investigate allegations that Barcelona made payments to referees' committee member Jose Maria Enriquez Negreira.
Barcelona legend Andres Iniesta praised manager Xavi Hernandez for turning the La Liga giants in to a major force again.
Real Madrid midfielder Dani Ceballos has joined the growing chorus of players who have criticised the refereeing in Sunday's El Clasico with Barcelona.
Following great form shown by Barcelona in La Liga, coach Xavi Hernandez looks set to have his contract extended.
Barcelona defender Ronald Araujo ruled out of Uruguay's squad due to injury.