German played for the German outfit when they were relegated to the second tier two years ago.
Arsenal forward Lukas Podolski returned home to Cologne on Monday night to watch his former club win promotion back to the Bundesliga.
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The experienced Germany international is a huge hero back at the club for who he enjoyed two spells with prior to moving to the Emirates in the summer of 2o12 for £10.9m.
And watching goals from the home team’s Marcel Risse, Patrick Helmes and Anthony Ujah at the RheinEnergieStadion on Monday evening which guaranteed Cologne would be playing in the German top flight next season, the striker wrote on his Instagram page alongside the below picture: “I’m so happy for my ex club…congrats FC for coming back to the 1st League!!! #effzeh #1liga #cologne #stadion #fans #poldi #aha”.