Arsenal's Campbell joins Villarreal on loan

Galatasaray's Alex Telles challenges Arsenal's Joel Campbell (front) during their Champions League Group D soccer match at Ali Sami Yen Spor Kompleksi in Istanbul December 9, 2014. REUTERS/Osman Orsal

LONDON (Reuters) - Arsenal forward Joel Campbell has joined Villarreal on loan for the rest of the season, the Spanish club said on Tuesday.

The Costa Rican's move to Spain is part of a deal in which Arsenal are set to sign Villarreal's Brazilian defender Gabriel Paulista, who has passed a medical in London, British media reported.