Dusseldorf (dpa) - Hamburger SV claimed after the fourth matchday in the 2nd Bundesliga the league leaders. The HSV won 4: 2 at Karlsruher SC. But the KSC announced before the kick-off to reserve an objection to the game evaluation because of the use of HSV professional Bakery Jatta. Bundesliga relegated 1. FC Nuremberg was allowed to celebrate a 2-0 victory against Osnabrück after two defeats in a row thanks to the goal of new signing Johannes Geis. In the third Sunday match, SV Sandhausen won 2-0 at 1. FC Heidenheim.