Bayern Munich president Uli Hoeness has criticized the German media for "disrespectful reporting."
Bayern are currently sixth in the Bundesliga table.
Some in the media suggested Manuel Neuer, Jerome Boateng and Mats Hummels had become part of Germany's current problems.
Hoeness said it was "time the most important club in Germany took a clear stance" and added that they "will no longer respect disrespectful reporting."
"I am lost for words [over] what I had to read about Manuel Neuer," Rummenigge said. "If I have to read 'old boys football' about our centre-backs Hummels and Boateng, then I can only say one thing -- are you serious?
"No-one wastes any thoughts on values like dignity and decency. Polemics have no limit any more. This is true for media, pundits and most of all for pundits who once played football here."