The 26-year-old Spain international, who could make his Arsenal debut against Stoke City on Saturday, joined the north Londoners on a long-term contract from Malaga after regular left-back Kieran Gibbs was ruled out for four to six weeks with an injury picked up in Wednesday’s 2-2 draw with Liverpool.
“We are delighted that Nacho Monreal has agreed to join us,” said Wenger.
“We have been monitoring him for some time now and are really pleased that we’ve been able to agree this move today.
“Monreal is a strong left-sided defender with good experience at both club and international level. He is a technically gifted player, a good crosser in the final third and strong in the air.
“Monreal will add quality to our squad and of course, to our defensive unit. We all look forward to him playing for us.”
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