Celtic were closing in on an 18-month loan deal for Chelsea playmaker Charly Musonda on Friday.
The Parkhead club hope to have the 21-year-old attacking midfielder in Glasgow early next week despite late competition for his signature from Spanish club Leganes.
Musonda made a rare first-team appearance for the Stamford Bridge club in last weekend's 4-0 victory over Brighton, coming off the bench with nine minutes remaining to lay on the fourth goal.
However, he was left out of Antonio Conte's squad for the Carabao Cup semi-final defeat to Arsenal in midweek and Chelsea are willing to let the Belgian head north on loan after Sunday's FA Cup tie against Newcastle.
Musonda would be Celtic's third recent arrival following German defender Marvin Compper and winger Lewis Morgan, who was loaned back to St Mirren for the rest of the season.
Parkhead boss Brendan Rodgers also wants to push through a deal for Dundee defender Jack Hendry before Wednesday night's transfer deadline.