Eriksen, who has a market valuation of €70m, has long been linked with a move to Real Madrid but as yet there has been no substantial progress for his exit from North London.
Tottenham are thought to be the favoured destination of Lo Celso but Manchester United - who possess greater financial muscle - have also been linked with a move.
Spurs have reportedly made a bid in the region of €60m for the highly-rated midfielder, with BBC Sport outlining the details of the bid, although the Seville-based club hold a €100m release clause and United could even take advantage of a better offer because Red Devils are so interested into Argentine player.
The Argentine international had been on a season-long loan deal at Los Verdiblancos from Paris Saint-Germain before joining permanently last month in a €22m deal.