Brendan Rodgers has admitted that Celtic hope to wrap up a deal to sign Kieran Tierney from Arsenal before the window shuts.
The Parkhead club have agreed the terms of a pre-contract agreement, kicking in this summer.
Confirming that left-back Alex Valle has cut short his loan deal from Barcelona to sign for Serie A side Como, Rodgers wants to seal Tierney’s return on loan before a permanent deal kicks in.
Arsenal are prepared to sell Oleksandr Zinchenko to Atletico Madrid and, if the Ukrainian leaves for big money, Gunners boss Mikel Arteta would prefer to hold on to the 27-year-old as cover.