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Romelu Lukakau has been in fine form for Manchester United since signing for the club last year, and the 25-year-old has also been outstanding for his country.

Lukaku was in fine form for Belgium as he scored a brace in Belgium’s 2-1 victory over Switzerland on Friday evening.

With Chelsea and Manchester United facing each other at Stamford Bridge this weekend, Lukaku’s international teammate Eden Hazard has admitted he’s worried about the form of the Belgian top scorer.

“It’s not a good sign that Romelu scored tonight, because I’m playing against him with Chelsea very soon,” Hazard told RTL.

“If he scores with Belgium it’s fine, but it would be a good thing if he does not with Manchester United.”

Belgium boss Roberto Martinez also admitted that he has been impressed with the form of Lukaku over the years.

“Romelu is a sensational goalscorer, his stats speak for themselves,” he said.

“What he has been doing on the international level in the last two years says enough. He is one of the best-performing goalscorers today.

“This win is very satisfying because it was a difficult match against Switzerland, who wanted to play.

“Of course we can play better football but must also be able to find solutions in this kind of game.”

Lukaku holds the all-time scoring record for Begium having scored 45 goals in 78 games, and he’s just 25.