Manchester City have silenced Jose Mourinho's side with a 3-1 victory at the Etihad on Sunday in the English Premier League.
Man City have extended their unbeaten run in the Premier League with a deserving victory against their nemesis Manchester United.
Bernardo Silva in the early seconds of the game unleashed a left-footed strike but De Gea was alert to the danger.
After a blistering start from the host, David Silva scored the opening goal in the 12th minute with a fine strike after a pull back-cross from Bernardo Silva.
Pep Guardiola's charges slowed the pace in the game, controlled the ball as they ended the first half in the lead.
Sergio Aguero ensured that they started the first half as the second with as he thundered a rising strike that went straight through the hands of De Gea at the near post.
Manchester United pulled one back as substitute Romelu Lukaku, who replaced Jese Lingard, was brought down by Ederson in the 58th minute.
Inform Anthony Martial stepped up and sent an unstoppable penalty past Ederson into the bottom right corner.
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Manchester United began to enjoy a bit of possession with Man city aware of the Red Devils' miraculous comeback in recent games.
The citizens once again took control of the game and substitute Gundogan put the icing on the cake for Manchester City in the derby as he found some space inside the box and fired the ball inside the back of the net to seal the victory.
Manchester United virtually posed zero threat to Manchester City as the citizens go top of the Premier League with two points clear off Liverpool in second place.
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