Man City avenged their recent league defeat to Chelsea by knocking the Blues out of the FA Cup this evening thanks to goals from Jovetic and Nasri in either half.
Mourinho's men gave a lacklustre performance and could have few complaints with the result after the game.
In other results Wigan have kept themselves in with a chance to retain the FA Cup after a surprise win over Welsh side Cardiff. Chris McCann, Ben Watson and Fraizer Campbell were the scorers.
At the Stadium of Light, Southhampton were dumped out of the competition thanks to a second half belter of a goal from Sunderland's Craig Gardner.
The Sheffield Wednesday and Charlton Athletic game has been postponed because of a waterlogged pitch.
Tomorrow's FA Cup fixtures
Everton will face Swansea, Sheffield Utd will meet Nottingham Forest and in the feature match for the day Arsenal will seek revenge against Liverpool following their 5-1 humiliation when the sides last met.