United are well-represented at the tournament, with 14 current first-team players, plus two Reds who are out on loan, having been selected.
We've been covering each squad announcement as they happen, but in case you've forgotten, here is who will be involved in the Middle East.
Scroll down for all the fixtures dates and kick-offs too, so you can get planning ahead of a few weeks of virtually non-stop football...
ARGENTINA
Lisandro Martinez has been included in Lionel Scaloni’s 26-man squad for group games with Mexico, Poland and Saudi Arabia. The centre-back has won nine caps for the Albiceleste, since debuting against Venezuela in 2019, and could make a big impact for the fancied South Americans, who are captained by Lionel Messi as he makes his fifth – and possibly last – finals appearance.