When the world is going gaga over Borussia Dortmund’s prodigy Erling Haaland, Bundesliga Chief Christian Siefert has taken a jibe at the 19-year-old. The Bundesliga Chief went on to say if the 19-year-old is so good, then why is he at Dortmund. However, he was all praises for the team for signing him. Erling Haaland has been heavily linked with Manchester United