His presentation at the Estadio Santiago Bernabeu is likely to take place on Friday, as president Florentino Perez heads up the club's delegation in Monaco on Thursday, for the Champions League draw.
The final qualifying fixtures concluded on Wednesday night and the seedings have now been released with the full line-up confirmed.
United and Spurs, who both exited at the last-16 stage in 2017-18, are in pot two, which also features Borussia Dortmund, Porto, Shakhtar Donetsk, Benfica, Napoli and Roma.
Liverpool, meanwhile, have only qualified for the Champions League in two of the last five seasons.
There are four pots of eight teams, with one team from each pot forming a group, although teams from the same association can not face each other.
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Jurgen Klopp's Liverpool are undoubtedly the team to avoid from pot three, although there are plenty of other threats for the giants. And Monaco may have lost even more of their star names, with Thomas Lemar and Fabinho the latest to depart, but they reached the semi-finals in 2016-17 under Leonardo Jardim.
Huge clubs lurk in every pot, so there is every chance of a "group of death" scenario unfolding when the draw is made. And Dortmund should have no problems beating Swiss club Young Boys either.
Socceroo Milos Degenek played a starring role for Red Star Belgrade as the Serbian champions held Salzburg to a thrilling away draw to advance to the Champions League for the first time.
The draw, which begins at 5pm BST, will determine the make-up of the eight Champions League groups.
But who else is in the competition, and what pots are they in?