Nathaniel Chalobah ran into the tumult .
Nathaniel Chalobah pushed Aguero over - becoming a candidate for retrospective action from the FA himself - while Fabregas ' soft slap on Fernandinho resulted in the latter grabbing him by the throat while the Spaniard stepped backward over the advertising hoardings .
Nathaniel Chalobah ran into the tumult and pushed Aguero over - becoming a candidate for retrospective action from the FA himself - while Fabregas ' soft slap on Fernandinho resulted in the latter grabbing him by the throat while the Spaniard stepped backward over the advertising hoardings .