Union Berlin striker Anthony Ujah is still fond of his former club FC Cologne, claiming the North Rhine-Westphalia outfit to be "important".
Die Eisernen will be up against the Billy Goats in this weekend's Bundesliga round of fixtures and the Nigerian clearly relishes the opportunity.
Ujah played 102 times for Cologne, scoring 36 goals and providing 10 assists.
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He joined Union Berlin from Mainz in the summer of 2019 and has made 20 appearances, although only eight of them have been starts.
The 29-year-old has scored two goals, which came in a 2-1 home defeat to Eintracht Frankfurt on September 27, 2019 and a 2-0 win over Borussia Monchengladbach on November 23.