The DFL had predicted a drop in turnover of about one billion euros during the 2020-21 season if fans had to stay away throughout the campaign.
"Hertha BSC's management have decided to part company with head coach Tayfun Korkut with immediate effect," the club said in a statement.
On Monday, the exact nature of the injury and the length of his absence were still unknown.
With 23 league goals so far this season, Lewandowski remains on course to finish as the Bundesliga's top-scorer for the fifth year running.
Visitors Freiburg will feel little pressure as they seek their first victory in Dortmund in 20 years.
Mueller celebrated his 400th Bundesliga appearance with a goal and an assist as the champions crushed VfL Wolfsburg 4-0 on Friday.
Union Berlin's next home game in the Europa Conference League is on Nov. 4 against Feyenoord.
Haaland has ruled himself out of Borussia Dortmund's Bundesliga match against Augsburg on Saturday and is set to miss Norway's upcoming World Cup qualifiers.
The 33-year-old Lewandowski has a Bayern contract until June 2023.
Neuer, 35, needed treatment on his right ankle during Tuesday's 3-1 win at Dortmund in the German Super Cup.
Pavard will miss this weekend's opening game of the Bundesliga season at Borussia Moenchengladbach with an injury.
The bald Dutchman scored his last league goal for Bayern in May 2019, amassing 99 goals in 201 Bundesliga matches.
Alaba said goodbye to Bayern Munich after defending the team’s colors since 2010, playing a vital role in the Bavarian’s success.
Bayern are ten points clear at the top of the league and an away win at Mainz will guarantee the title with three games remaining.
Moukoko became the youngest player to score in the Bundesliga but ended up on the losing side as they slumped to a 2-1 defeat at Union Berlin.
Treble winners Bayern Munich crushed Schalke 04 8-0 with a hat-trick from Serge Gnabry and a superb debut from Leroy Sane on Friday.
Germany’s first and second division football clubs on Tuesday said they were prepared to allow some fans back into stadiums next season if the country’s political authorities give the green light later this month.
Bayern Munich were crowned Bundesliga champions on Tuesday for an eighth straight season as Robert Lewandowski's volley secured a 1-0 win at Werder Bremen, while Paderborn were relegated from the top flight in Berlin.
Bayern Munich can take another step towards repeating last season's German league and cup double on Wednesday, with midfielder Leon Goretzka a player transformed since the coronavirus shutdown.
Bundesliga players wore black armbands and took the knee in displays of support for the Black Lives Matter protests on Saturday, as Bayern Munich kept title rivals Borussia Dortmund at bay with a ninth successive win.