Portugal centre-back Danilo Pereira has suffered three broken ribs in a training incident, threatening his involvement in the remainder of the tournament.
The team confirmed the news on Sunday, stating that Pereira suffered the injury in Saturday’s training session.
Portuguese media reported that the 31-year-old has been ruled out of the group stage and is in doubt to return even if Portugal progress to the knockout rounds.
Portugal currently sits top of Group H after beating Ghana 3-2 in their opening match on Friday. They face Uruguay in their second group match on Tuesday morning.