The pair will miss Saturday's home game against Hoffenheim at the Allianz Arena with Bayern seven points clear in the Bundesliga table.
Bundesliga: Robert Lewandowski nets twice as Bayern Munich come from two behind; Jadon Sancho ends goal drought
Mainz's 2-0 half-time lead was wiped out within 10 minutes of the restart as Bayern netted five unanswered second-half goals at the Allianz Arena.
Bundesliga: Borussia Dortmund's Erling Haaland back in action as German top-flight league returns post winter break
Haaland has missed the last four league games and the last seven in all competitions after picking up a hamstring injury in early December.
Bundesliga: Wout Weghorst brace helps Wolfsburg's register comeback win over Eintracht Frankfurt, climb to fourth spot
Wolfsburg stay unbeaten after 11 league games and move above Borussia Dortmund to fourth, two points off leaders Bayern Munich. Frankfurt are ninth.
Bundesliga: Florian Grillitsch's brace helps Hoffenheim ease past Augsburg to end seven-match winless run
Grillitsch gave Hoffenheim the lead in the 17th minute with a header at the far post off a cross from his fellow Austrian Christoph Baumgartner to cap an incisive team move.
Bundesliga: Erling Haaland ruled out for a month due to muscle injury, says Dortmund coach Lucien Favre
Favre told broadcaster Sky that the Norwegian forward will not be able to play “until early January” and linked the injury to the busy schedule amid the coronavirus pandemic.
Bundesliga: Borussia Dortmund CEO Hans-Joachim Waztke says each fanless match costs them four million euros
In Thursday's annual general meeting, held online because of the pandemic, Watzke said he fears losses of up to 75 million euros this season.
Bundesliga had Youssoufa Moukoko in mind when it dropped the minimum age from 17 to 16 at a meeting in April. The striker could make his debut against Hertha Berlin on Saturday, making him the youngest player in league history.
Bundesliga: Lucas Alario's brace helps Bayer Leverkusen beat Freiburg; Hertha Berlin salvage point on Matteo Guendouzi debut
Guendouzi replaced fellow Frenchman Lucas Tousart just before the hour mark and was booked for dissent in stoppage time in his first competitive appearance since June.
Bundesliga: Thomas Mueller equals Oliver Kahn's record as Bayern Munich go top with victory over FC Koln
Mueller, 31, converted an early penalty to put the visitors on the way to a success which saw him match the tally of legendary goalkeeper Kahn on 260 league wins.
Malick Thiaw put the Gelsenkirchen-based club in front for the first time this season, but a penalty from Nicolás González earned the visitors a point and extended Schalke’s club-record run without a victory.
Bundesliga: Schalke sack coach David Wagner after woeful start; Ralf Rangnick among successors lined up
Schalke lay third last December in Germany's top-flight, but crashed dramatically in 2020 conceding 48 goals and earning just six points in a disastrous end to last season.
Bundesliga: Japan's Daichi Kamada shines as Eintracht Frankfurt down Hertha Berlin 3-1 for season's first win
Kamada, who has four international appearances, set up efforts for Bas Dost and Sebastien Rode after Andre Silva had opened the scoring in the German capital.
Bundesliga: Erling Haaland double inspires Borussia Dortmund to win over Monchengladbach; Hertha Berlin thump Werder Bremen
Coach Lucien Favre banked on youth by starting two 17-year-olds in Reyna and England Under-21 midfielder Jude Bellingham, who made his league debut, with Sancho and Haaland, both 20, leading Dortmund's attack.
The 36 clubs in the top two German football leagues voted on Thursday to continue the rule for next season. The decision comes after the Premier League moved back to three substitutions after using five to finish the 2019-20 campaign amid the pandemic.
Bundesliga: Austrian midfielder Valentino Lazaro joins Borussia Monchengladbach on season-long loan from Inter Milan
Lazaro adds attacking options to Gladbach's squad for their first Champions League campaign in four years. It's been a subdued transfer window for the club after the financial blow of the coronavirus pandemic, with attacking midfielder Hannes Wolf the only other signing on loan from Leipzig.
Germany will start the 2020-21 season with cup games on 11 September before the Bundesliga resumes on 18 September. The winter break has been cut short to fit the season between postponed European tournaments.
Werder Bremen have spent only one season outside the Bundesliga since it was launched in 1963 and while their run of 13 home matches without a win has left them deep in relegation trouble, club officials are not throwing in the towel.
Bundesliga: Borussia Dortmund, Hertha Berlin players kneel for George Floyd as Bayern Munich keep cruising with another win
Bundesliga was marked by gestures against racism and support for the Black Lives Matter movement on Saturday as Bayern Munich took another step toward a record-extending eighth straight title.
Coronavirus Outbreak: UEFA sets 25 May as deadline for European leagues to provide their restart plans for domestic competitions
In a letter to the 55 federations in UEFA, president Aleksander Ceferin wrote that any league cancelling its season would need to produce a list of teams that have qualified for European club competitions, also by 25 May.