The side of Pep Guardiola has fallen 11 points behind Liverpool in the title race since Laporte sustained his injury, including defeats for Norwich and Wolves, as well as a frustrating 2-2 draw on Saturday in Newcastle after taking the lead twice.
"I prefer Gundogan and Rodri in this position [midfield]".
Argentina global Aguero picked up a thigh injury during City's 2-1 victory over Chelsea on November 23 and subsequently missed Saturday's draw at Newcastle. The two strikers are so good in the second balls and are free-kick scorers so we have to try to adapt to that style of play and do things our way.
The Brazilian has been playing as a centre-back in recent months - a situation that came about through necessity with Aymeric Laporte and John Stones out injured, but has endured even with the latter now fit again. Yet Guardiola has no intention of moving the 34-year-old back into his preferred role.
"What Sean Dyche teams play, the way he plays, they do ideal so they have incredible success in the last years in the Premier League doing what they have done".
Guardiola has now confirmed his comeback will not happen until after those games. He said: 'They (his players) have to believe we will win tomorrow.
Jurgen Klopp's men have only dropped two points so far this term to establish their dominant position, but Guardiola rejected the suggestion that belief is fading among his own squad ahead of a Tuesday trip to Burnley that precedes the Manchester derby. "But he made a decision to go to Belgium and we have other incredible players to try to do the job they have to do".
"[If they leave] we don't have to rebuild too much".
They already have six strikes apiece this term and their physicality is key to the way the team play.
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The Argentine, who has scored nine goals in the Premier League this season, wasn't available at St. James' Park either where City often looked directionless and bereft of ideas without him leading the line.