Three days before his 17th birthday, Cologne FC youngster Yann Aurel Bisseck was the youngest German player in Bundesliga history in the starting line-up against Hertha BSC.
However, Dortmund's Nuri Sahin was the youngest to appear in Germany's top flight back in 2005.
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Having made nine appearances for Cologne's U-19s so far this season, Bisseck became the club’s youngest ever Bundesliga player since 29 year old Sahin who now plays for the Turkish national team has only been a German citizen since 2011.