First of many: Aguero celebrates his opening goal

All action: Aguero fires in his stunning second

On the same wavelength: Silva (right) hails Aguero
after City's third
http://www.youtube.com/watch?v=2_7QNCZTB1Y
Roberto Mancini backed his
record signing Sergio Aguero to get even better after the Argentina
striker scored twice on a sensational debut for Manchester
City.
Aguero, a £38million buy from Atletico Madrid
this summer, struck eight minutes after coming on as a substitute
and added a stunning 30-yard strike in added time as City hammered
newly promoted Swansea at the Etihad Stadium.
The 23-year-old, who also set up the third goal
for David Silva, has been rested by Mancini after appearing for
Argentina in the Copa America this summer, and the City boss
believes his best is yet to come.
‘It was the perfect start,’ said Mancini. ‘But
he’s only worked with the team for the past 10 days and he needs
another two or three weeks training with us to be 100 per
cent.
‘He’s not tired but he needs to recover because
he only finished the Copa America three weeks ago. He will
improve.
‘His performance didn’t surprise me because I
know Aguero very well. He’s scored a lot of goals in Spain and
Argentina. He’s a fantastic striker. He and Silva play the same
language. They’re both fantastic players.’
Edin Dzeko scored City’s other goal but Swansea
boss Brendan Rodgers was also full of praise for City’s new
signing.
‘It was a wonderful cameo,’ said Rodgers. ‘He’s a
world-class player and his strength and power were superb. His two
goals showed what he’s about with his desire to get in the box and
his strike was wonderful quality.’
City goalkeeper Joe Hart added: ‘He’s decent
isn’t he! I’ve not seen that much of him because the manager has
kept him quite well protected, but he’s come in at £38m, which is a
big price tag, but it looks like £38m well spent.’
Mancini said that unsettled striker Carlos Tevez
might yet stay at City to play alongside his compatriot Aguero
after chief executive Garry Cook had earlier given a similar
indication.
Tevez was not at the Etihad Stadium to see his
team-mates start the season with a resounding win despite returning
to training at the start of last week.
But Cook, who refused to be drawn on the progress
of City’s pursuit of Arsenal’s Samir Nasri, said: ‘Carlos is still
a Manchester City player and to see him playing alongside Aguero is
going to be pretty exciting for all the City fans.’
Asked if Tevez will stay beyond the August 31
transfer deadline, Cook added: ‘I’ve not spoken to anybody about
anything that will dispel that notion.’