Arsenal have confirmed that defender William Saliba will be sidelined for an extended period due to a back injury. The 22-year-old suffered the injury while representing France at the World Cup. The club announced that Saliba will miss several upcoming matches as he undergoes treatment and rehabilitation. The extent of the injury means he is expected to be unavailable for an extended timeframe, though no specific timeline has been provided. Saliba has been a key player for Arsenal this season, contributing to their strong defensive record. His absence will be a blow to the team as they compete in the Premier League and other competitions. Arsenal's medical staff will continue to monitor his progress, and further updates will be given in due course. The club has not released details on the exact nature of the injury or the expected recovery period.