The Belgians are competing for one starting spot in the Red Devils starting XI.
He struggled to find his feet at Liverpool after a move from Aston Villa. Meanwhile, across Stanley Park, his international colleague and challenger was on fire.
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With that in mind Lukaku is expected to be one of the stars of the tournament and the starting striker for Belgium.
Speaking to the press today the Liverpool striker had this to say about the form of his Merseyside rival. He was quoted by Le Soir as stating:
"I come with a big motivation. I want to help Belgium to go as far as possible.
Everton's Romelu Lukaku looks dejected
“It is true that I am currently a substitute, but that's football. One that performs should play. And as Romelu is in shape, it's normal he plays.
“But it is a group that will allow the team to go after the tournament, not just 11 players."
Benteke knows he is likely to be playing a role from the bench at the Euros this summer and is clearly understanding of the reasons why.
Liverpool manager Juergen Klopp with Christian Benteke
But Benteke must stay on his toes. Lukaku may have been the star of the season but his recent form has been poor.
Lukaku has not scored a competitive goal since March, although has scored in all three of Belgium's warm-up games, and struggled at the World Cup two years ago.
If that happens again, Benteke will be ready and waiting to prove himself in his absence.