Manchester City boss Pep Guardiola has confirmed Sergio Aguero faces time out injured.
Aguero was forced off during victory over Chelsea on Saturday.
And Guardiola, ahead of City's Champions League meeting with Shakhtar Donetsk, revealed the striker has suffered a thigh injury.
He said, He'll be out for a few games, a few weeks. Exactly I don't know, it's his thigh.
He'll miss the derby."
