As per TeamTalk, Arsenal manager Unai Emery has told defender Laurent Koscielny that he can leave the club in January.
Koscielny has been connected with a transfer away from Emirates, with FC Barcelona believed to be interested in him.
And Unai Emery has allegedly told the center-half that he is willing to let him leave.
The French international has not played at all this term, following an injury.
And Arsenal manager Unai Emery is according to reports happy with his defensive line up already, with Sokratis, Shokdran Mustafi and Rob Holding all impressing at centre-back this term.