The Gunners secured the Chile international from Barcelona less than two weeks ago and his in-excess of £30million arrival at the Emirates Stadium has ex-winger Pires feeling confident of consistent title pursuits in the coming years.
"I'm very happy because the Arsenal board have signed a world-class star.
"I am sure Alexis will help to win titles. He played pretty well in the World Cup.
"I like his offensive skills and I believe he will fit very well to the system that Arsene Wenger has in mind."
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