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Samir Nasri can frustrate and delight in equal measure, but he had a decent match against Viktoria Plzen.
The space and time the France international gets in Europe (and playing for his country, for that matter) are made to measure for him, whereas the rough and tumble of the Premier League can put him off his stride.
He improved notably after the halftime break, and made the most of the hosts' allowing him to dart around and influence things.
This display will have boosted his confidence, and Man United on Sunday may be the kind of domestic match he will thrive in, rather than a tough afternoon in the Potteries like last Saturday.
David Silva may be available on Sunday, but on this evidence he may have a job getting back into the team. If he does, then Pellegrini's famed man-management skills may be needed to deal a player who could point to a good night's work tonight.