Dzeko, who has scored 11 league goals this campaign, said the return of Aguero, who has scored 15, could be a big factor as the season goes down to the wire.
"We are playing aggressive, attacking football and scoring a lot of goals," Dzeko said. "Sergio's return is great for the team because he is such an important player for us.
"We hope we can see the very best of him in the games that remain.'
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