Patrik Schick scored four times in 27 minutes as Bayer Leverkusen crushed Greuther Fuerth 7-1 on Saturday.
The German government have said Bundesliga matches can only have an attendance of up to 50% and up to a maximum of 15,000 spectators.
RB Leipzig suffered a 3-1 home loss to Bayer Leverkusen on Sunday, their second defeat in a row in the Bundesliga that dropped them to eighth place.
Chelsea, Real Madrid, and Barcelona could battle for the signing of Bayer Leverkusen playmaker Florian Wirtz. Transfer Talk is LIVE with the latest.
Bayer Leverkusen's Robert Andrich tapped in a last minute equaliser for a 1-1 draw at Hertha Berlin on Sunday to rescue a point.
Anthony Modeste struck twice in the second half to heave Cologne back from two goals down and earn them a 2-2 draw against Bayer Leverkusen.
Bayern Munich thrashed Bayer Leverkusen 5-1 on Sunday as Julian Nagelsmann's side ran riot and silenced a stunned BayArena.
18-year-old Florian Wirtz has impressed for Bayer Leverkusen and is now making waves for the Germany national team too.
Several teams are thriving in the first 4-6 weeks and have surpassed their preseason projections. Here are 10 of Europe's hottest so far.
Florian Wirtz is 18 and already a Bundesliga star. No wonder Bayern are after Leverkusen's latest prodigy. Transfer Talk is LIVE with the latest.
|1. FC Union Berlin||14||6||5||3||+2||23|
|SpVgg Greuther Furth||14||0||1||13||-34||1|