The Manchester City manager, Pep Guardiola, has issued a statement confirming that Leroy Sane will not play for the club for as long as 6, 7 months.
The German winger sustained the injury during the Community Shield game against Liverpool at Wembley on Sunday, and has been scheduled for surgery in Barcelona next week.
City, according to Guardiola, will not have the 23-year-old in their squad until, at least, after Christmas..
"Normally this kind of injury is six or seven months," Guardiola told a news conference on Friday ahead of his side's Premier League opener against West Ham.
"Hopefully in February or March he can be back with us. I didn't think about him leaving. Always I said he's our player and he didn't tell me he wanted to leave, always I thought he was ours.
"It's bad news and in three seasons we've had three ACL [injuries]. He's young and he will recover well hopefully. All the people will help him, he will feel alone and we help him to feel as comfortable as possible."