Pep Guardiola said he had concerns at the start of the season that Manchester City's standards could drop after their run of unprecedented run of success.
The Blues crashed out of the Carabao Cup to the Premier League's bottom club Southampton in midweek, with a poor display that led to midfielder Ilkay Gundogan questioning the hunger and desire in the squad.
That defeat was the worst possible preparation for City's trip across town for the derby against resurgent Manchester United tomorrow.
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