The 19-year-old’s move will be his third spell on loan in Spain.
The youngster has previously had spells with Alcoyano and Levante.
A statement on the Gunners’ official website reads: “Everyone at Arsenal wishes Wellington the best of luck for the coming season at the Estadio El Toralin.”
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Being an amiable guy is good for you and Jurgen Klopp is living proof.
Summer 2016 is set to be a very exciting time for football fans, as this is when the long awaited Euro 2016 tournament kicks off.