The 42-year-old coach only arrived at the Allianz Arena this summer but has already faced criticism for his work with the treble winners after unspectacular showings in the league
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Sammer, though, is at pains to point out that Guardiola has been brought in with the aim of achieving long-term success within a clearly defined and sustainable style of play.
"I think some remarks about Pep have been incorrect because if you analysed last season in detail, it is an idealisation of the past to say that everything was perfect," the former Germany international told Kicker.
"The way we played was not sufficient for the future. [Guardiola was] chosen for strategic reasons. We must give him time."
Guardiola took a year-long sabbatical from the game after a hugely successful four-year stint at Camp Nou that featured two Champions League triumphs.