Pep Guardiola has said it is uncertain whether Gabriel Jesus can return for Manchester City this season after the forward underwent an operation on the broken bone in his foot.
The Argentinian has failed to score in the Premier League since the 2-1 win against Burnley before Jesus' arrival at the start of 2017.
"The most important thing now is a good recovery and he is going back when he will be fit, I don't know if it will be the end of the season or next season".
Since then, Jesus has very much been Pep's number one, scoring three in his first three outings, including a brace against Swansea City.
The injury was subsequently diagnosed as a broken metatarsal in the 19-year-old's right foot, with Jesus going under the knife in Barcelona on Thursday in a bid to fix the problem.
They do not play again until an away Premier League game at Sunderland on March 5. It was good, really good.
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"So last night, there was an operation", Guardiola said Friday.
Jesus' absence is also likely to open the door for Kelechi Iheanacho, who has not been seen for a month since City's new signing arrived at the club.
Aguero replaced Jesus in the win over Bournemouth and forced the second goal when his shot was deflected into the net by Tyrone Mings.
Aguero's future has been cast into doubt following Guardiola's decision to drop him but the manager has no doubts that he will perform well for the remainder of the season.
They do not play again until an away Premier League fixture at Sunderland on March 5.