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The guard, an ex-special forces soldier, dresses like a member of the coaching staff to blend in.

Brooklyn’s mum and dad – England legend David and wife Victoria – hired him for their son’s regular outings with the north London club’s youth team.

A source close to Arsenal revealed: “The bodyguard puts on a Gunners tracksuit and sits on the bench like he is part of the coaching staff.

“Because of how big a star David is, the family decided to take the step to hike up his safety.

“Arsenal were more than happy to do what is necessary to ensure safety for all their young players.”

The club’s security bosses have also beefed up patrols around their training base at London Colney and the Hale End youth academy in Walthamstow.

Fans clamouring to catch a glimpse of Brooklyn, 15, in action have also been left disappointed by a new crackdown on visitors.

Now only parents and those invited to attend can watch the Gunners starlets in action.

A source at the Premier League side told us: “Whereas before supporters could walk up and watch the games without any problems, the matches are now ‘behind closed doors’ with restrictions in place as to who can and can’t attend.

“It’s a no-brainer to tighten security when you have such a big name at games.

“Brooklyn is one for the future and, because of his family, he attracts loads of attention.

“David is at most matches and he is a global superstar, so you can see why the decision was an easy one to make.

“Brooklyn is a big name and he’s going to be a huge star. He’s already used to having lots of attention so he is taking it in his stride. He’s doing really well.”

Brooklyn may not be the only Beckham to take up football – brothers, Romeo, 12, and Cruz, nine, are also tipped for the top.