Manchester City manager Roberto Mancini insists Samir Nasri improve on his current performances.
The French midfielder was played out of position for the majority of City's Carling Cup win over Arsenal, but was criticised in the national press for being overawed by the fierce reception he received upon his return to the Emirates Stadium.
Mancini has seen the likes of david Silva and Edin Dzeko struggle to find their feet before flourishing in the first-team, and the Italian boss says Nasri needs time to adapt.
"He can play better because he is a top player," Mancini said.
"I think that he can improve a lot but it was the same situation with players who arrived last year like Edin and David.
"It [the win] is not important for him, it is important for the team. For him it is better that he played tonight so when he comes back to play here in the league he knows what will happen."
"I think Nasri can play better than tonight. It [the booing] maybe affected him. It's not easy for him after being here for a few years.
"He's a very top player. When you arrive in a new team sometimes it takes to settle in. He can improve a lot because he is a champion."
With City through to the semi-finals, talk is now rife that the club's star-studded squad can claim all three domestic trophies, something that Mancini is refusing to consider.
"I don't know if we can win all three," he added. "The season is hard.
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