A member of Schalke 04 since 2014/15, former German Under-21 international goalkeeper Fabian Giefer (26), according to Sport Bild, after having collected just 2 official caps overall for Gelsenkirchen side, might be leaving next summer. Currently on a deal with Bundesliga side until June 2018, former Bayer Leverkusen youth player is an item of interest for Mainz 05.
Source: transfermarketweb.com