Alexander Isak could leave Newcastle as a free agent next summer thanks to a FIFA rule change.
The Swedish striker would have the opportunity to rip up his contract two years early in June 2026.
It comes as he remains at a stalemate with the Magpies regarding his future at St. James' Park.
Isak is not currently training with the first-team squad and missed Saturday's Premier League opener against Aston Villa.
Liverpool have been keen on signing the 25-year-old throughout the summer after having a £110million rejected earlier this month.
However, Newcastle have reiterated Isak is not for sale after he claimed the club had 'broken promises' in a bombshell statement .
ESPN's Gabriele Marcotti has now revealed that a tweak to FIFA's transfer rules could allow the forward to for