Manchester City coach Manuel Pellegrini on Friday revealed that Sergio Aguero would be sidelined for at least two weeks thanks to the latest injury setbacksuffered by the striker during City’s 2-1 loss at Barcelona in the UEFA Champions League on Wednesday. This means the Argentine will miss the Manchester derby with city rival United on March 25.Aguero has suffered a number of injury setbacks this season; Wednesday’s game was just his third appearance in more than four weeks due to a hamstring injury suffered against Tottenham on Jan.29. He is set for a scan on Saturday which will reveal just how long he will be sidelined for.