Celtic transfer target Justin Devenny is undergoing a medical with Championship side Stoke City.
A left-sided midfielder, the 22-year-old was the subject of a season-long loan bid from the Parkhead side.
A Northern Ireland international on account of his mother, former Kilmarnock and Airdrie player Devenny was born in Ayrshire and grew up supporting the Scottish champions
With 12 months to run on his current deal, discussions ended when Palace insisted on a permanent deal and Stoke City agreed to meet the £6million price tag.
Celtic are still expected to make a raft of signings before tomorrow night’s Europa League group stage signing deadline.
Parma’s Danish midfielder Oliver Sorensen has completed a one year loan deal, with the £3.4million capture of PSV Eindhoven midfielder Joel van den Berg and experienced Wolves goalkeeper Sam Johnstone.
While moves for Chelsea left-back Landon Emanelo and Torino midfielder Gvidas Ginetis are also expected to go through, £9million midfield target Ginetis is in the Torino starting line-up for tonight’s Coppa Italia clash with Monza.
Celtic’s Japanese midfielder Reo Hatate has attracted offers from Championship Birmingham City and an unnamed J League team, while Irish forward Johnny Kenny is set to join Preston North End in a £3million deal.
"There's some key positions that we still need a bit of work on in the next couple of days," said assistant manager Shaun Maloney before Wednesday's Scottish Premiership visit by Aberdeen.
“I think we just need that slightly different profile, which we need in certain games.”