He got on the scoresheet by pouncing when Mark Schwarzer parried a Dzeko shot and he demonstrated his class in doubling the lead by combining with Carlos Tevez and lifting a shot over the goalkeeper.
The Spaniard said: "It was great to get two goals and I had the opportunity for a third, for the hat-trick, but I didn't make contact as good as I wanted. But it is the points for the team that really matter.
"It was a good game, the important thing was to get three points and put some pressure on United."
Source: Manchester City MAD