United's struggles continued after the midfielder suffered his injury, as they drew with AZ in the Europa League days later, then lost to Newcastle United and tied 1-1 with Liverpool in the Premier League.
United's players will be joined by club coaches in Dubai but Solskjaer will remain in Manchester with the rest of his squad.
Two of the last three league games have ended on a winning note for Manchester United including the 3-1 win over Brighton and Hove Albion at Old Trafford at the weekend. "It was an excellent performance from the lads, when you see them going forward it is a joy to watch".
United struck twice in two first-half minutes, first, in the 17th minute, when a United counter-attack saw Fred find Anthony Martial, who linked with Pereira for a shot that took an unkind deflection off Dale Stephens, wrong-footing goalkeeper Mathew Ryan on its way in.
DME puts Tide, LSU at top of rankings
Oklahoma is three spots behind Georgia despite losing to No. 16 Kansas State on the road while Georgia lost to 4-5 SC at home. Penn State is ranked in the top four of the College Football Playoff for the first time ever, landing in the No. 4 spot.
There are fitness worries about both Marcos Rojo and Scott McTominay.
Just after the half-hour mark, Brighton pulled a goal back via Lewis Dunk heading in from a corner at close range.
Ahead of his first full season in charge of Manchester United, the prospect of a top-four finish in the Premier League would have constituted success for Ole Gunnar Solskjaer. However, within two minutes once again, Rashford ensured the Red Devil's lead was restored to two goals.