Manchester United boss Ralf Rangnick admits victory over Norwich was "vital".
United won 3-2 thanks to a Cristiano Ronaldo hat-trick.
Rangnick later said: "It was vital. The 2-0 lead should have made life easier but we didn't defend well. David de Gea kept us in the game.
"It was highly important we won the goal but the way we played was not good enough. It is a question of intensity and physicality.
"Like against Tottenham, Ronaldo was very crucial. They weren't easy goals, it was just outstanding. It doesn't make sense to be interested in the other results, we have to take care of our own results."
He added: "After we scored our second goal we should have made life easier for ourselves but we didn't.
"We lost our structure and weren't aggressive enough.
"It's about being clever and smart. All of a sudden it was 2-2 and David de Gea kept us in the game. But we definitely have to raise our play."
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