Newly promoted Karlsruhe and MSV Duisburg both picked up wins in the Bundesliga on Sunday.
Manasseh Ishiaku bagged a brace as Duisburg claimed a 3-1 away success against Borussia Dortmund.
The striker opened the scoring inside eight minutes before netting Duisburg's third on 64 minutes.
Mihai Tararache also scored from the spot (62), while Florian Kringe's goal was a consolation for Dortmund.
Hungarian midfielder Tamas Hajnal scored either side of half-time as Karlsruhe won 2-0 at Nuremberg.
Hajnal netted on the stroke of half-time and added the second on 74 minutes for last season's Bundesliga Zwei champions.
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