Celtic are trying to push through a deal to bring in Reo Hatate for the opening of the January window and a potential debut against Rangers.
The Japanese defender is the man Ange Postecoglou believes will solve his left-back issues and the club are hell-bent on fast-tracking the transfer.
Celtic are keen to act quickly with growing concerns over new coronavirus strains and more travel restrictions being put in place.
Hatate is out of contract with Kawasaki Frontale at the end of January but he has decided he wants to join countryman Kyogo Furuhashi in Glasgow.
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