The Spanish international has spent the past 18 months on loan at Serie A club AS Roma, but recent reports on the continent have suggested the Italian club are reluctant to purchase the 30-year-old and instead are looking to renegotiate terms with United.
If Llorente is to leave Elland Road for good during this window, he is likely to move for a similar knock-down fee. Roma are thought to have a purchase option in their loan agreement with Leeds but have so far held back on exercising the clause after changing sporting director and assessing their transfer objectives for the summer.