Crystal Palace are set to enter a bidding war with Southampton and Brighton for Celtic midfielder Stuart Armstrong.

The Scotland international has just one year left on his contract and is unlikely to sign a new deal.

And Armstrong, 26, is attracting interest from Palace, Southampton, Brighton and recently-relegated West Brom, according to the Daily Record.

He started just 15 league games for Celtic last season due to Callum McGregor’s form.

Hoops boss Brendan Rodgers hinted Armstrong’s Celtic Park future could be in doubt.

He said: “Players are within their rights. If they feel the deal or the offer is not right or just purely if they don’t want to sign.

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“But it goes two ways. If it’s not right for both parties then it’s not going to happen.

“It’s hard to have a squad that’s going to be complete and together for a number of years.

“Some are happy to see out their career at Celtic, others think they want to stay, then get a big offer and they go.”

Armstrong has scored 28 goals since joining Celtic in 2015.