KIERAN TIERNEY will remain a Celtic player for their pre-season tour of Austria after Arsenal failed to match his valuation.
Gunners boss Unai Emery has seen an initial £17.5million bid rejected for the Scottish left-back.
It is reported by The National that Celtic are holding out for around £25m for their star asset and expect that a fresh bid will still fall short.
Tierney, a boyhood Celtic fan, is not distracted of reports over his future and has joined team-mates in preparation for the upcoming campaign.
They flew to Graz for their pre-season tour with three matches in the pipeline before their Champions League qualifier against FK Sarajevo on July 7.
If Tierney does leave Celtic Park, he will smash the club’s record £19m sale of Moussa Dembele to Lyon last year.
Everton and Napoli are also monitoring his situation while it is claimed that Celtic chief Peter Lawwell is using the potential move of Aaron Wan-Bissaka to Manchester United for around £50m as a negotiating tool.
Tierney has a contract until 2023 and is now recovering from a double hernia operation at the end of May.
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A left-back remains a priority for Emery who is looking to replace the departing Nacho Monreal.
Meanwhile Arsenal could make a move for Borussia Dortmund’s young star Dan-Axel Zagadou.
The centre-back impressed scouts while representing France at this summer’s Under-20 World Cup.