Napoli hold an interest in Kieran Tierney and are weighing up whether to make a last-minute move for the Celtic defender, reports say.
Arsenal has already seen one transfer bid turned down by Celtic for Tierney and are poised to return with an improved offer.
Celtic want around £25million for Tierney and are prepared to accept part of that figure as add-ons.
Napoli scouted Tierney extensively last season, sending representatives to see the 22-year-old in action for Celtic.
While Napoli’s interest is strong, the Serie A giants will have to act quickly to hijack the deal.
Celtic are bracing themselves for Arsenal’s latest offer, which is expected to be around £19m.
Napoli boss Carlo Ancelotti is a big fan of Tierney and would like to bring the left-back to Italy.
Tierney left Celtic’s pre-season camp in Austria to focus on rehabilitation from a double hernia operation he had in May.
The Scotsman is open to a move away, but is not interested in forcing his way out of his boyhood club.
Tierney, a fully fledged Scotland international, has spent his entire playing career at Celtic and has already made 170 appearances for the Hoops.
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