RMC says the 20-year-old has caught the attention of the Gunners but Mikel Arteta's side face competition from rival London clubs.
The Belgium international joined Lille from Hamburg a year ago for £6m.
And he has already been linked with a Premier League move after impressing in his first season in France.
The defensive midfielder stands at 6ft5in tall, and it's believed that Arteta is keen on signing the youngster.
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