However, with the new season now only a month away, the Norwegian will have one eye on the transfer market as he bids to strengthen his squad.
With the Jadon Sancho saga expected to drag on for a number of weeks, it throws open the possibility of other players making the switch to the Premier League giants.
Here, Sports Mole rounds up the latest news on possible comings and goings from Old Trafford.
While United have been prioritising a deal for Borussia Dortmund winger Sancho, they were once linked with an approach for Bayer Leverkusen star Kai Havertz.
Since the beginning of July, it has been suggested that Chelsea are the clear frontrunners for the Germany international, who is valued in the region of £90m.
However, until the Blues are prepared to meet Leverkusen's asking price, the possibility remains for another team to enter the race for the 21-year-old's signature.
According to the Manchester Evening News, United are contemplating whether to renew their interest in the playmaker.
Although Chelsea are said to have already agreed personal terms, United would be able to match the contract offered by the West Londoners.
Ousmane Dembele is another player who has previously been linked with a transfer to Man United.
While the France international has only made a mixed impact at Barcelona since his arrival in 2017, the winger remains highly regarded at the majority of European clubs.
Aware that the 23-year-old is available for transfer this summer, ESPN claims that United have made contact with the La Liga runners-up.
However, given the player's injury record, it is suggested that club officials would only be prepared to agree to a season-long loan deal with an obligation to buy.
Dembele has not made a competitive appearance for Barcelona since November 27.
Given the options at his disposal, Ole Gunnar Solskjaer may feel that he does not require another centre-back ahead of next season.
However, until he leaves Napoli for a bigger European club, Kalidou Koulibaly will continue to be linked with a switch to Old Trafford.
While Manchester City are regarded as the favourites for the 29-year-old's signature, Gazzetta dello Sport suggests that United may be willing to make an approach for the Senegal international.
Although Napoli are allegedly demanding a fee of £81m, the report suggests that United are only prepared to go as high as £63m. body check tags ::