Sergio Aguero punches Wigan Fan during FA Match (PHOTOS)
In ugly scenes at the DW Stadium, Wigan fans charged onto the pitch at full time with some taunting the Premier League leaders.
Aguero appeared to try and shake offa mocking fan after an altercation.
And he had to be dragged away after trying to get at the supporter a second time.
BBC pundit Alan Shearer said of the incident: “You don’t know what he’s done to Sergio or what he’s said to him.
The man in the green jacket can be seen falling backwards following Aguero’s reaction.
Argentine Aguero had started the clash with Wigan but was unable to prevent Manchester City falling to a 1-0 defeat.
Fabian Delph was sent off in first-half added time for a lunging challenge on Max Power.
That sparked an incident in the Wigan tunnel, where Pep Guardiola and Paul Cook had to be separated by coach Peter Reid.
The hosts eventually took advantage of the extra man when Will Grigg scored the winning goal on the 79th minute to Dump City out of the FA Cup.
The victory sparked wild celebrationsby Latics supporters and they invaded the pitch on the final whistle.
Man City ironically posted a “fighting”message on Twitter.
As one Wigan fan ran towards Aguero he retaliated by swinging his arm and striking the man in the face.