Arsenal rejected an approach from La Liga outfit Athletic Bilbao for Nacho Monreal this summer, according to talkSPORT.
The Spain international had originally struggled to establish himself in Arsenal's starting line-up following an £8million move from Malaga in January 2013.
Now approaching 30-years-old, there were whispers that Monreal would be open to returning to La Liga to finish his career, giving Bilbao hope of clinching a deal.
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But a string of fine and consistent performances last season saw him launch ahead of Kieran Gibbs in the ranks to become Arsene Wenger's first-choice left-back.
It seems his stock at the Emirates has risen so highly that Wenger was unwilling to entertain the idea of selling him in the recent summer window.
Good left-back's are getting harder and harder to come by; a claim made stronger by Manchester United's decision to pay £30m to sign teenager Luke Shaw from Southampton in 2014.
Due to Monreal's age, had Arsenal cashed in on Monreal, they would have been unlikely to make a profit on their original investment. Likewise, finding what constitutes an upgrade to Monreal may have cost the Gunners a sizeable figure.
Only something drastic like a transfer request from Monreal may have convinced Wenger to sell. Considering his ongoing bromance with Arsenal playmaker Santi Cazorla, that was never likely to happen.
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