Arsenal youngster Joel Campbell joins Real Betis on loan Real Betis have signed striker Joel Campbell on a one-season loan from Arsenal, the Primera Division club have announced. The 20-year-old Costa Rica international spent last season on loan from the Gunners at French side Lorient, where he scored three goals in 27 appearances. Campbell, who passed his medical and signed his Betis contract yesterday, joined Arsenal from Deportivo Saprissa in August 2011.