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SECRET Manchester United tactics were shared live on Sky Sports in a dramatic Premier League opening-night victory over Fulham.
Match-winning new boy Joshua Zirkzee was in the spotlight in more ways than one - as cameras zoomed in on the sub being shown a key strategy on a tablet.
The Red Devils failed to conceal a diagram appearing to show how Zirkzee should defend at corners.
Overhead cameras displayed a clear picture of the tablet - with the £34million striker studying the screen intensely.
It came with half an hour to go at Old Trafford and the score still goalless.
Zirkzee was seen checking out a pitch-side device that was apparently revealing his role in a zonal marking system at Fulham corners.
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At the time, United were struggling to break the Cottagers down.
And within a minute of the tablet incident, Red Devils' boss Erik ten Hag made his first two changes.
Zirkzee and Alejandro Garnacho replaced Mason Mount and Amad Diallo.
But it was only after Ten Hag made three more substitutions that the Dutchman struck.
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The ex-Bologna hero coolly stroked the only goal following a cross from Garnacho in the 87th minute.
And having surviving the "screen test" Zirkzee said afterwards: "It’s been a dream to come here, I feel very warm in Manchester!
“Scoring on my debut here feels incredible."
One fan labelled him a "Monster" and added: "Excited to see more of him."
Another raved: "Winning mentality activated!!!"
And perhaps if it was scribbled on a tablet, it was also written in stone that Zirkzee would be an instant hero!