Mauricio Pochettino was announced as the new Manchester United head coach on Friday, but will take charge of two more USA matches before travelling to Carrington next week. 

The majority of his United first-team squad are away on international duty, though those who have not been called up remained at Carrington and were coached by Michael Carrick earlier in the week, and Under 21s head coach Adam Lawrence on Thursday. 

It has been widely reported that they will have until Tuesday before being expected at Carrington for the training sessions ahead of Liverpool. 

Pochettino's final USA game is on Wednesday, 18 November, so he will only have a few days of training before the trip to Anfield. 

However, he could already facing a selection headache due to injury issues. 

Patrick Dorgu returned to action against Aston Villa before the international break, netting a goal and an assist to earn a late 4-4 draw in Michael Carrick's final game. 

He initially withdrew from international duty after picking up a hamstring injury during the last break, but had a late change of heart and joined the Denmark squad a few days ago. 

However, Denmark have now announced that Dorgu has already been sent back to Manchester United after failing some physical tests. 

"Dorgu ruled out of the squad," their official statement read. "Patrick Dorgu has undergone a series of tests ahead of the matches, but unfortunately will not be fully fit in time."

It has yet to be confirmed whether Dorgu will be fit to face Liverpool next weekend, but Pochettino could have been dealt a huge blow if the left-sided player is injured. 

Luke Shaw played under Mauricio Pochettino at Southampton before moving to Manchester United in 2014, but Patrick Dorgu could be the first-choice left-back under the new head coach. 

Pochettino is known for his high-flying full-backs – Danny Rose, Reece James, Antonee Robinson, Kieran Trippier, and Kyle Walker, for example – but Shaw is not the high-flying left-back he once was at Southampton. 

Dorgu, while not a natural left-back, could become the left-back the new Manchester United head coach favours at Old Trafford until the next transfer window, at least. He can offer quick ground coverage, overlaps, and a solid cross into the box, while Shaw will struggle with those demands. 

However, if the Dane is injured for the trip to Liverpool, Pochettino could be forced to rethink his initial tactics, unless he wants to trust young Harry Amass, who has failed to be a regular under Michael Carrick.