After winning a third Eredivisie title with Ajax, the Dutchman watched United's final game of the season from the stands at Selhurst Park.
He was then officially unveiled as United's new boss on Monday, meeting staff members and speaking to the media for the first time.
But Ten Hag already began his planning a fair bit ago it seems, with The Mirror reporting that he wants to know absolutely everything about his players.
He ordered a complete lowdown, which includes the holiday details, as he wants to see how ready they will be for the "most demanding pre-season of their careers" when they link up on June 27, before a tour of Australia and the Far East commences.
Erik ten Hag has ordered a full profile of all of the #mufc players before he meets them in person. He also wants to know where all of his players are going for their summer break #mulive [@DiscoMirror]— utdreport (@utdreport) May 25, 2022
Nicknamed 'The Headmaster' by some of his Ajax players, Ten Hag is known to be a strict disciplinarian and has already talked about implementing |rules, principles and structures".
In a move that does have a Sir Alex Ferguson vibe about it, the 52-year-old has personally requested information on each player's home and family life, as well as their character and personality.
He's already communicated with a few players through mediums like Zoom and WhatsApp but hasn't yet met in person with the group he will be working with.
Following a final day defeat at Crystal Palace, United finished the season in sixth place on 58 points, with an embarrassing goal difference of ZERO.
It means Europa League football next term, but Ten Hag is desperate to guide the Red Devils back into the Champions League and set that goal as his very first target.
“I said this is the project, to bring Man United back on top, but also we have to accept the current situation we are in,” Ten Hag replied when asked what he wanted to achieve in the first of the three years he has signed for.
“First of all, Man United belong in the Champions League, so that will be the first target.”
Featured Image Credit: Image: PA & Sky Sports
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