The Ivorian midfielder was a reported target for both Liverpool and Arsenal over the summer but Nice managed to keep hold of the 26-year-old.
Seri was also a rumoured target for Barca in the summer but they focused their efforts on landing Ousmane Dembele from Borussia Dortmund as well as a failed move for Liverpool’s Philippe Coutinho after Neymar’s move to Paris Saint-Germain.
Reports in Spain indicate the Camp Nou club have accepted Coutinho will not be available in January and will instead concentrate on bringing in Seri from Nice.
The Ligue 1 club will be reluctant to lose the midfielder but are unlikely to stand in his way if a big bid from Barcelona is lodged.
Richarlison has revealed how he heard of Marco Silva's sacking and admits the Watford squad can't explain their mid-season dip in form.
Foxes' January recruit Kamal Sowah says although Bayern Munich and Man City were interested, Leicester wanted him the most.
Reports claim that Arsenal are set to move for on-loan Lyon midfielder Tanguy Ndombele at the end of the season.