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Pierre-Emerick Aubameyang became only the sixth player to score a hat-trick on his Bundesliga debut as Borussia Dortmund opened their campaign with a 4-0 victory at Augsburg.

The £11m summer signing opened the scoring in the first half and added two more in the second before Robert Lewandowski completed the win.

Bayer Leverkusen, Hannover and Hertha Berlin also recorded wins.

Bayern Munich beat Borussia Monchengladbach 3-1 on Friday.

Gabon international Aubameyang, signed from French side Saint-Etienne, formed an impressive strike partnership with Lewandowski - to the delight of manager Jurgen Klopp.

"Aubameyang was put to great use today," said Klopp, who led his side to runners-up spot and the Champions League final last season. "I'm not surprised about what he offers, but that all the balls go in already. It's a very good start."

Other results: Hoffenheim 2-2 Nuremberg, Bayer Leverkusen 3-1 Freiburg, Hannover 2-0 Wolfsburg 0, Hertha Berlin 6-1 Eintracht Frankfurt.