Pep Guardiola hailed Manchester City's slick first-half display in the 3-0 victory over Shakhtar Donetsk in the Champions League as the best of his time in charge.
City became the first English team to win away to Shakhtar in Europe as they capitalised on Lyon's draw at Hoffenheim to go top of Group F.
David Silva and Aymeric Laporte scored inside 35 minutes and the margin would have been greater had Gabriel Jesus and Riyad Mahrez been sharper in the opening exchanges.
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Bernardo Silva's strike after the break rounded off a polished display that delighted Guardiola, who before the match had openly doubted his team's chances of winning the competition.