Crystal Palace are interested in a move for Celtic midfielder Stuart Armstrong, according to the Express.

The 26-year old Scotland international is reported to be stalling on signing a new deal with the Hoops, which the Eagles are aware of, with Director of Football Dougie Freedman a big fan.

Celtic would like to keep Armstrong, but manager Brendan Rodgers has warned Armstrong he won’t let him run his deal down like he did last time before committing.

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Armstrong’s current deal expires next summer, meaning the Bhoys may be forced to cash in if he refuses to commit soon.

Freedman has alerted Roy Hodgson to Armstrong and a bid in excess of £4million is expected to be submitted to start negotiations.

Southampton are also said to be long-time admirers of the former Dundee United man.