![UEFA Champions League on Twitter: "Jan Koller at Dortmund 🖤💛 #UCL | #FlashbackFriday https://t.co/kRnAcAWEjY" / Twitter UEFA Champions League on Twitter: "Jan Koller at Dortmund 🖤💛 #UCL | #FlashbackFriday https://t.co/kRnAcAWEjY" / Twitter](https://pbs.twimg.com/media/EDxrNLKX4AAI5KU.jpg)
UEFA Champions League on Twitter: "Jan Koller at Dortmund 🖤💛 #UCL | #FlashbackFriday https://t.co/kRnAcAWEjY" / Twitter
![Monaco's Jan Koller during the French first league football match, Football Club des Girondins de Bordeaux vs Association sportive de Monaco Football in Bordeaux, France on September 1, 2007. Bordeaux won 2-1. Monaco's Jan Koller during the French first league football match, Football Club des Girondins de Bordeaux vs Association sportive de Monaco Football in Bordeaux, France on September 1, 2007. Bordeaux won 2-1.](https://c8.alamy.com/comp/2E8NNTT/monacos-jan-koller-during-the-french-first-league-football-match-football-club-des-girondins-de-bordeaux-vs-association-sportive-de-monaco-football-in-bordeaux-france-on-september-1-2007-bordeaux-won-2-1-photo-by-christian-liewigabacapresscom-2E8NNTT.jpg)
Monaco's Jan Koller during the French first league football match, Football Club des Girondins de Bordeaux vs Association sportive de Monaco Football in Bordeaux, France on September 1, 2007. Bordeaux won 2-1.
![Nuremberg striker Jan Koller cheers to both sides' fans after the German Bundesliga match Borussia Dortmund v 1.FC Nuremberg at Signal Iduna Park stadium of Dortmund, Germany, 02 May 2008. Koller had Nuremberg striker Jan Koller cheers to both sides' fans after the German Bundesliga match Borussia Dortmund v 1.FC Nuremberg at Signal Iduna Park stadium of Dortmund, Germany, 02 May 2008. Koller had](https://c8.alamy.com/comp/D4DYCF/nuremberg-striker-jan-koller-cheers-to-both-sides-fans-after-the-german-D4DYCF.jpg)
Nuremberg striker Jan Koller cheers to both sides' fans after the German Bundesliga match Borussia Dortmund v 1.FC Nuremberg at Signal Iduna Park stadium of Dortmund, Germany, 02 May 2008. Koller had
![Jan Koller and Paolo Maldini in Action during the Match Editorial Image - Image of players, paolo: 189461480 Jan Koller and Paolo Maldini in Action during the Match Editorial Image - Image of players, paolo: 189461480](https://thumbs.dreamstime.com/z/milan-italy-march-g-meazza-san-siro-stadium-uefa-champions-league-ac-borussia-dortmund-jan-koller-paolo-maldini-action-189461480.jpg)