Jose Mourinho has been relegated to the ranks of the deluded if he cannot see the gulf in class between Manchester United and Manchester City, writes Phil McNulty.

The Manchester City full-back made the joke about Man Utd on Twitter but was quick to remove the post

Manchester United were beaten 3-1 by neighbours City thanks to goals from David Silva, Sergio Aguero and Ilkay Gundogan

Guardiola glad as Man City overcome derby 'fear' to beat United

Defeat left the Red Devils 12 points behind their rivals.

Silva again shows he is the Premier League's best passer with a flawless performance as Man City win a one-sided derby

Nemanja Vidic refuses to criticise Jose Mourinho because he "wants to become Manchester United manager" | SportsJOE.ie

"For me to criticise Jose Mourinho, as someone who in the future could become the manager, it's not fair."

As it happened: Man City v Man United, Premier League

Man City hosted Man United in one of the biggest games of the Premier League season so far.

'Everything is positive' - Jose Mourinho's alternative and debatable verdict on a one-sided Manchester derby

Manchester United manager Jose Mourinho insisted he was content with the efforts of his players in their 3-1 defeat against Manchester City, even though they failed to register a single

Manchester City keep their heads to banish last season’s derby memories

Manchester City did not make many mistakes last season, but they did in this fixture, and this year they want to be even better. So this afternoon, coasting at home against Manchester United, they threatened to take their take foot off the gas, but then decided to speed off into the distance.

5 things we learned from the Premier League this weekend

Here are the five things we have learned from the Premier League this weekend...

Manchester is Blue as Pep Guardiola's men go top of the table with victory over arch rivals

Champions Manchester City moved 12 points ahead of rivals Manchester United in the Premier League with a hard-fought 3-1 win in Sunday's derby.

United left themselves with far too much to do in the local derby, underlining the folly of handing the initiative to their more attacking neighbours

Jose must go against all his instincts

When people said they wanted José Mourinho to make Manchester United more like Alex Ferguson's treble winners, this, presumably, isn't quite what they meant. The capacity to fight back,