The young footballers had been invited by Fifa to attend the World Cup Final in Moscow on Sunday.
But their attendance was always a long shot, given the health risks they face after spending more than two weeks in a pitch-dark cave.
Fifa has just told the BBC that the boys will not be making the match.
yet Many of the young football players are said to be fans of Manchester United football club.
The team has just posted on its Facebook page, inviting the boys to their Old Trafford stadium for a visit.
"Manchester United is greatly relieved to learn that the 12 footballers and their coach trapped in a cave in Thailand are now safe," the club said.
"We would be honoured to welcome the team from the Wild Boars Football Club and their rescuers to Old Trafford this coming season."
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