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London team's official website announced that the paths of the club and Mexican national team forward Carlos Vela have parted ways.
The 23-year-old footballer has moved to the San Sebastián "Sociedad" team for an undisclosed fee, where he played on loan last season.
It is believed that Vela, who belonged to the "Gunners" since 2005, has signed a four-year contract with the Spanish club.