Celtic manager Brendan Rodgers expects defender Kristoffer Ajer to develop into a top-class player.
Celtic star Kieran Tierney has been linked with moves away.
Celtic have sold Stuart Armstrong to Premier League side Southampton.
Despite interest from Premier League giants Spurs and Bundesliga outfit Borussia Dortmund, Ajer will be staying in the Scottish Premiership with Celtic.
Kristoffer Ajer has been handed a new contract by Brendan Rodgers’s Celtic, and the fans want the same for Tom Rogic.
Ibrox side Glasgow Rangers have lost one of their top prospects, while Celtic have just tied down Kristoffer Ajer to a four-year deal.
Celtic centre-back Kristoffer Ajer has put pen to paper on a new four-year contract which will see the 20-year-old remain at Celtic Park until at least 2022.
Celtic strolled to a 5-0 win over Rangers on Sunday, and Scott Brown has singled out a brilliant partnership for praise.
Kristoffer Ajer arrived at Celtic as a midfielder but is now making his name as a centre-back.
Brendan Rodgers’s Celtic lost to Hibernian in the Scottish Premiership on Saturday.
Celtic new boy Jack Hendry could be one half of a fine partnership.
Ajer started at centre-back as Celtic progressed to the Champions League group stage despite the loss.
Ajer has barely featured under Bhoys boss Brendan Rodgers and is set to leave Celtic Park in January. Could Leeds United, Queens Park Rangers or Barnsley be the defender's next stop?