Celtic are confident keeping hold of Tottenham defender Cameron Carter-Vickers.
The USA international has spent this season on-loan with the Hoops.
SBI Soccer reports Celtic and Spurs have opened talks about a new loan arrangement.
On Celtic's side there is a confidence of a deal being struck, with negotiations now at an advanced stage.
However, Spurs could yet sell, with Wolves, Leicester City and Watford making enquiries after the 24 year-old. Tottenham rate Carter-Vickers at £12m.