straight to your inboxIlkay Gundogan has warned his Manchester City teammates that they are only one mistake away from exiting the Champions League.City face Lyon in Saturday's quarter-final in Lisbon, in the new one-game format for this season's adapted Champions League finale.The Blues booked their place in the last eight by overcoming Real Madrid by 2-1 for the second time, capitalising on two mistakes from Raphael Varane in the visitors' defence.And Gundogan has warned City that the one-game knockout tie means they must have full concentration throughout the entire 90 minutes.Describing his side as favourites, Gundogan urged his side to be wary of Lyon's threat as the underdog."Lyon will be highly motivated," he explained."It's a huge.
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