Madrid, July 7 -- Spain's victory over Portugal in the World Cup round of 16 has increased the likelihood that several opening-weekend matches in the new La Liga season will be postponed.

La Liga is scheduled to begin on the weekend of August 15-16, but an agreement provides that clubs with players involved in the World Cup semifinals will not be required to begin their domestic campaign until a week later.

Any postponed fixtures are expected to be rescheduled between the second and third rounds ofthe season.

Real Madrid's opening match against Real Sociedad has already been affected. Real Madrid has players representing both France and Morocco, including Kylian Mbappe, Aurelien Tchouameni and Brahim Diaz.

With France and Morocco meetin...