Complex sentence: Initially on the books at Bayern Munich, he moved to 1.FC Nuremburg in April 2000, before several clubs across Europe, including Blackburn Rovers F.C. claimed interest in the player.
Split into simpler sentences: Initially on the books at Bayern Munich, he moved to 1. FC Nürnberg in April 2000, before several clubs across Europe, including Blackburn Rovers, claimed interest in the player.