Lorient defender Raphael Guerreiro is interesting Arsenal.
France Football says the left-back is viewed as an option for Arsene Wenger if Nacho Monreal moves back to Spain.
Monreal has been linked with a move to Athletic Bilbao despite being Arsenal's first choice left-back ahead of Kieran Gibbs.
Guerreiro represented Portugal's under-21s this summer in the European Championships .