Roberto Mancini has confirmed star striker Sergio Aguero will miss their Premier League clash with Sunderland with a "stupid" injury.

Aguero was missing from the City team that drew at Stoke on Saturday with a foot problem. Mancini has refused to say exactly what happened, however, it seems the problem was not of an orthodox nature.

"It is a stupid injury," said Mancini. "It was not his fault but he can't play with this injury; for one day, 10 days or two weeks. I don't know."

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