Suat Serdar celebrated his 24th birthday by scoring his first Bundesliga goal of the season as Schalke ended a 12-game winless run to beat Ausburg.
Borussia Monchengladbach slumped to a 3-1 defeat at Augsburg on Friday to suffer a fourth straight Bundesliga loss and stay in 10th place.
Dani Olmo scored a penalty at the second attempt as dominant RB Leipzig eased to a 2-1 Bundesliga victory over Augsburg at the Red Bull Arena.
Borussia Dortmund snapped a three-match winless streak by easing to a 3-1 win over Augsburg in the Bundesliga on Saturday.
Bundesliga top scorer Robert Lewandowski struck a first half penalty to help Bayern Munich earn a nervous 1-0 victory at Augsburg.
"We will not start chasing our players and ask them whether their wives are barbers," a Union Berlin spokesperson said.
The German Hairdresser Association has asked the German Football Association (DFB) why footballers have taken to the pitch with fresh haircuts.
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