Berlin - Bayern Munich chairman Karl-Heinz Rummenigge has ruled out making an emergency signing before the transfer window closes on Monday to cover for injured Germany defender Jerome Boateng.
"We must keep our nerves. SOS solutions, which suddenly seem to be floated by the public, will certainly not help us," said the Bayern boss as the Bundesliga leaders prepare for Sunday's home game against strugglers Hoffenheim.
The Bundesliga's transfer window closes at 1800 local time (1700 GMT) on Monday while Boateng is expected to be out for the next three months with a groin strain.
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It leaves Bayern coach Pep Guardiola with just two fit centre-backs in Holger Badstuber and Javi Martinez, who has just returned from injury.
"We still have excellent players in defence and, most importantly, we should trust those we have," added Rummenigge.
The Bayern chairman also gave his backing to Guardiola, who will leave in June after three years in Munich, amidst rumours of discontent behind the scenes at the Bavarian giants.
German magazine Kicker on Thursday quoted an unnamed Bayern player as saying the atmosphere in the squad "is not good" as Guardiola turns up the pressure in his bid to sign off with a treble of Champions League, German Cup and Bundesliga titles.
"Up until his last day of work, Pep Guardiola will get all the support from all of those who have something to say at Bayern," said Rummenigge.
"Anyone who wants to instigate a lame duck discussion (about unrest) is wasting their time."
Bayern are eight points clear at the top of the table and Rummenigge says he is unconcerned about their below-par display at Hamburg last Friday when Robert Lewandowski scored twice in a 2-1 win.
"It's normal and important that the players get some rest, both physically and mentally, in the winter break," said Rummenigge.
"It can take a little while before the body is back at full speed again, especially as the winter break this year was a week shorter due to the European championships this summer."