Frenkie de Jong's move to Manchester United from Barcelona has been held up by outstanding payments.
The Dutch midfielder has been named new United boss Erik ten Hag's number one target as he begins his new era at Old Trafford. But the transfer saga has dragged on for much of the summer with no end in sight, and the reason for the delay has now been revealed.
It comes as the Red Devils have hit a problem over their bid to sign Ajax defender Lisandro Martinez after the Dutch club moved the goalposts over the move. And Erik ten Hag's attention to detail has become clear during United's pre-season preparations in Thailand.
