Celtic are eyeing Manchester City duo Ko Itakura and Taylor Harwood-Bellis.
The Hoops are eager to add defensive reinforcements to the squad that won the Scottish Premiership this past season.
Harwood-Bellis is 20 and spent last term at Stoke City in the Championship.
Itakura, who was a Celtic target last summer, spent the season on loan at Schalke in Germany.
Schalke do have an option to buy the Japanese star permanently, but are not likely to pay the agreed £6 million fee.
According to Sky Sports, both players could end up at Celtic this summer, but it is unclear if they would be permanent signings or loan moves.
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