His illness casts doubt over what part he might be able to play in the monthlong tournament in the United States, with Madrid facing Pachuca in Charlotte, N.C., on Sunday.

Real Madrid forward Kylian Mbappe has been hospitalized with an acute case of gastroenteritis, the Spanish club said Thursday. World Cup winner Mbappe missed Madrid's opening game at the Club World Cup against Saudi Arabian team Al Hilal in Miami on Wednesday because of a fever.

Kylian Mbappe was released from the hospital on Thursday after experiencing acute gastroenteritis, the club has announced. The French star missed Real Madrid's opener in the FIFA Club World Cup, suffering without him in Xabi Alonso's first match in charge,