Former Manchester United boss Ole Gunnar Solskjaer has already told Ralf Rangnick how to stop Man City.
United and City will face off against one another on Sunday in the Premier League in Rangnick's first taste of the Manchester derby. Earlier this season City took home the bragging rights with a 2-0 victory at Old Trafford.
Solskjaer's men were firmly second best at the Theatre of Dreams that day. An Eric Bailly own goal and a Bernardo Silva dainty finish enough to secure the points.
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Speaking to BBC Sport afterwards, Solskjaer explained where United needed to improve. He said: "You have to start on the front foot.
"We tried that here today against a good team who pressed us and we couldn't find a way out of the press. Unfortunately when you concede a goal very early on that makes it very difficult.
"You know when [Joao] Cancelo has it, he cuts inside and crosses it to the back post. We have been prepared for that so that is a disappointing one.
"We have not been positive or aggressive enough, we could not get pressure on them like they did against us. We could not play out, there is a few chances we created ourselves when we got the quality in our passing, but they made it hard for us."
United will be keen to take home the three points as they bid to gain an advantage in the race for the top four. Meanwhile, City will be wanting a victory to extend their lead at the top of the table.
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