Two goals from Jae-sung Lee took Mainz to a shock 2-1 home win over Bayern Munich on Saturday, handing coach Vincent Kompany his first league loss.
Jamal Musiala hit a first-half hat-trick as Bayern Munich won 4-0 at Mainz to move into the last 16 of the German Cup.
Victor Boniface's 72nd-minute goal was the difference as Bayer Leverkusen beat Eintracht Frankfurt 2-1 at home, while RB Leipzig won 2-0 at Mainz to go top of the table.
In October, Jurgen Klopp announced he would join energy drink company Red Bull, which owns clubs in Leipzig, Salzburg and New York, as their global head of football from January 2025.
Mainz hammered a second-string Borussia Dortmund 3-0 on Saturday to haul themselves out of the Bundesliga's bottom three
A long-range shot from Robert Andrich took Bundesliga leaders Bayer Leverkusen to a 2-1 home win against Mainz on Friday
Mario Goetze toasted the career of former mentor Jurgen Klopp, who announced Friday he would step down as Liverpool coach at season's end.
Borussia Dortmund were held to a 1-1 home draw with lowly Mainz in the Bundesliga on Tuesday, continuing their struggles and deepening coach Edin Terzic's woes
Harry Kane scored his ninth goal in eight league matches as Bayern Munich won 3-1 at Mainz on Saturday
In-form striker Niclas Fuellkrug's Borussia Dortmund host his former side Werder Bremen on Friday, continuing the forward's stunning late-career flourish
In the statement, Mainz did not indicate how long the suspension could last.
Borussia Dortmund are on the brink of breaking Bayern Munich's decade-long stranglehold on the German championship, with their title-deciding match against Mainz on a nerve-shredding final day of the Bundesliga on Saturday
New Bayern Munich signing Joao Cancelo set up a goal to help his side secure a first win of 2023 with a 4-0 triumph at 10-man Mainz in the German Cup on Wednesday
Bayern Munich manager Julian Nagelsmann lauded his "fun to watch" side as they reclaimed top spot on the table with a dominant 6-2 home defeat of Mainz
Mats Hummels has been passed fit after recovering from Covid and could return for Borussia Dortmund in their re-arranged Bundesliga game at mid-table Mainz on Wednesday
Bayern Munich extended their lead at the top of the Bundesliga to six points as teenager Jamal Musiala grabbed a late winner to seal a 2-1 comeback victory at home to Mainz.
Amadou Haidara scored the third goal for RB Leipzig, who defeated Mainz 3-1 in the Bundesliga.
Werder Bremen are second-bottom and in danger of losing their status as the club with the most years spent in Germany's top flight.