Dutchman Van Nistelrooy, a former star striker at the club, was put in temporary charge after the sacking of Erik ten Hag late last month.
The Portuguese center back strikes a defiant tune as Man City's losing run hangs over international break. But should Man City be worried? And what fixes can they make?
Celtic should demand a hefty fee of around £30million if they decide to part ways with winger Nicolas Kuhn, says a former assistant manager.