FC Köln will not extend the expiring contract of German centre-back Luca Kilian, who is 26. The advisor of the injured defender has already been informed of this decision, according to 'Express'. Kilian will leave the club on a free transfer in the summer after nearly five years. The former Germany U21 international has 7 caps and 1 goal for the team. His current market value is €100k, according to Transfermarkt.