Mission accomplished. Scott McTominay scored twice and United thoroughly dominated Chelsea in a 2-1 win - a score that flattered the visitors - to climb to sixth in table with their fourth Premier League win in five games.
The three-time European champions blew a two-goal lead twice in Istanbul, with goalkeeper Andre Onana making two costly errors, to leave their hopes of reaching the last 16 hanging by a thread.
England's Rashford, who turned 26 on Tuesday, held a pre-planned party at an exclusive Manchester nightspot on Sunday, something that did not go down well with the United boss.
Manchester United midfielder Casemiro will miss Saturday's trip to Fulham in the Premier League after getting injured during Wednesday's 3-0 League Cup loss to Newcastle United, manager Erik ten Hag said.
Manchester United manager Erik ten Hag looked shell-shocked as his team were booed off the pitch and the Dutchman is under intense pressure following their 3-0 defeat by Manchester City at Old Trafford on Sunday.
"Consistency, that is the problem we are struggling with. In parts of the games, in big parts, we do a lot of things right, but we have moments where we struggle and in such moments we can't survive," Ten Hag told reporters.
Sancho, 23, is training away from United's first-team after saying in a now-deleted statement on social media that he had been made a "scapegoat" following his omission from the squad for the 3-1 defeat at Arsenal on Sept. 3.
British media reported that West Ham had agreed a deal worth 30 million pounds ($38.01 million) for Maguire, who became the world's most expensive defender when United signed him from Leicester City for 80 million pounds in 2019.
The 20-year-old Danish striker, who was signed from Atalanta for a reported 72 million pounds ($91.33 million), is struggling with a stress fracture of the back.
Since United last won the Premier League title under Alex Ferguson in 2013, David Moyes, Louis van Gaal, Jose Mourinho and Ole Gunnar Solskjaer have all failed to revive former glories - but Ten Hag appears to be making progress.
United, who are chasing a domestic double, face rivals and treble-chasers Manchester City in the FA Cup final on June 3 at London's Wembley Stadium.
However, the 25-year-old United academy graduate has yet to put pen to paper on a new deal and although Ten Hag said he knew why talks have dragged on, the Dutchman refused to elaborate.
United have failed to beat a team in the top nine of the table away from home this season and the 18-year-old Argentine's return to fitness could give Ten Hag's side a chance to improve their sloppy form.
Ten Hag said United's hectic schedule was a factor but added that it cannot be used as an excuse for the draw, which kept them fourth on 60 points, two points behind Newcastle United, who have played a game more.
United remain in four competitions this season after earning a 2-1 victory in their Europa League playoff second leg to knock out the Spanish side 4-3 on aggregate.
Ten Hag was furious in the second half when Rashford went down under a challenge from last-man Kounde but referee Maurizio Mariani waved away claims for a foul and VAR backed the decision. Barcelona equalised soon after.
Dutchman Ten Hag was on the cusp of becoming the first Manchester United manager since the great Alex Ferguson in 2009 to win 10 successive games as his side led 1-0 at Selhurst Park in the 91st minute.
Manchester United manager Erik ten Hag said Cristiano Ronaldo's goal in Thursday's 3-0 Europa League win over Sheriff Tiraspol was a fitting prize for his perseverance after the Portuguese forward returned to the team following disciplinary issues.
Ajax reached UEFA Champions League quarter finals for the first time since 2003.