The EU referendum result was cited as a possible reason for his departure in recent reports.
Rangers have already brought in seven new players this summer.
The 19-year-old has recently signed a new deal with the Scottish Premiership side.
Wales face Northern Ireland in Paris on Saturday.
Welcome to this morning's transfer round-up. This edition features 'Chelsea looking at Emanuele Giaccherini?' and 'Oostende's Jordan Lukaku interesting Chelsea?' plus more, so delve in below.
Everton are reportedly stepping up their interest in Newcastle goalkeeper Tim Krul.
Stoke City and Swansea City have been linked with Andros Townsend.
Charlie Mulgrew’s future at Celtic appears to be uncertain.
The Saints are weighing up whether they want to turn to their Premier League rivals in a bid to bolster their goalkeeping ranks.
Liverpool have been linked with a move for the Hull City defender.
There is something hugely endearing about Lars Lagerback. It is quite difficult to pinpoint exactly what it is because, on the face of it, he is a remarkably controlled person who refuses to display any emotion whatsoever, no matter what he or his team have achieved.
Jeremy Corbyn has defended Labour’s campaigning in the EU referendum, telling a heckler at London’s Pride festival: “I did all I could”, after earlier using a defiant speech to insist he would resist attempts to topple him.