Aguero started his first match since the Premier League's restart on Monday but wasn't able to see out the first half after feeling discomfort in his knee throughout the game.
The Argentine was substituted after being left in a heap from a Ben Mee tackle that won his side a penalty on the way to City's 5-0 victory over Burnley.
Pep Guardiola was not optimistic about Aguero's chances of playing again this season in the aftermath of the game and it was later confirmed that he would have to travel to Barcelona for further examinations from the Blues boss' preferred knee specialist and surgeon Dr.
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