Bayer Leverkusen squandered a two-goal lead, conceding twice in the last two minutes to draw 2-2 against Mainz 05 on Saturday.
Fans of Bundesliga club Mainz can help the local pub and hospitality industry by buying one of their club's new, limited edition "carnival" jerseys.
Clubs in the Bundesliga remembered those persecuted and murdered by the Nazi regime because of their sexual identity this weekend.
USMNT international Tyler Adams scored his first Bundesliga goal but RB Leipzig slipped to a shock 3-2 defeat at Mainz.
Borussia Dortmund had to come from behind to rescue a 1-1 draw against struggling Mainz 05 on Saturday that kept them in 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.
Champions Bayern Munich held on to the Bundesliga's top spot after fighting back from two goals down to beat second-bottom Mainz 5-2 win.
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