Union Berlin's Florian Hubner was banned two games after a confrontation with Bayer Leverkusen's Nadiem Amiri but cleared of racially abusing him.
Emil Forsberg drilled in a second-half winner as RB Leipzig were made to work hard for a 1-0 victory over in-form Union Berlin.
The German FA is investigating allegations of racism in Friday's Bundesliga match between Union Berlin and Bayer Leverkusen.
Substitute Cedric Teuchert scored an 88th minute winner as Union Berlin stunned Bayer Leverkusen 1-0 on Friday to climb to fourth place.
"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.
Borussia Dortmund's teenage striker Youssoufa Moukoko became the youngest player to score in the Bundesliga in a 2-1 loss to Union Berlin.
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