Manchester City striker, Sergio Aguero, performed brilliantly when his team crushed Swansea City with a score of 4-0 in the inaugural Premier League match on Monday or Tuesday (8/16/2011) early morning hrs. Two goals and one assist he offered in his debut with "The Citizens".

Of course achieving perfect for players who just a few weeks to join the team. In fact, his condition has not really fit so that the new Mancini play in the second half.

It was said City manager Roberto Mancini. He considered Aguero could still perform better if given time off in two or three weeks.

"I think he needed to rest because he had just completed the Copa America three weeks ago. He needs two or three weeks for 100 percent fit. To me, he's a fantastic striker, young, and will become an important player for us," says Mancini told Sky Sports 1.

Mancini not only impressed with the appearance Aguero, but also the team's overall performance. He considered, his team has proved to be a strong competitor capable of Manchester United and Chelsea for the title this season.

"I am pleased with the team's performance today. In the first half, Swansea played quite well. We have a problem (at halftime). However, we managed to push and create some opportunities. In the end, I was pleased (with results)," said Mancini.