The move to a new ground has been backed by former United boss Alex Ferguson, who won 13 Premier League titles during his reign of more than 26 years.
Sir Jim Ratcliffe named Rasmus Hojlund, Andre Onana and Casemiro, Jadon Sancho and Antony as the chief causes of his frustration.
Manchester United drew 1-1 away to Real Sociedad in the first leg of their Europa League last-16 tie on Thursday, while Tottenham suffered a 1-0 loss at Dutch side AZ Alkmaar.
Success in the Europa League also seems the only possible pathway to European football next season for Manchester United, who sit 14th in the Premier League.
Manchester United's dismal season hit a new low as the FA Cup holders crashed out after a 4-3 penalty shoot-out defeat against Fulham in the fifth round on Sunday
Manchester City's hopes of a trophy this season now rest solely on the FA Cup ahead of Saturday's visit of second-tier Plymouth, while holders Manchester United also desperately need silverware.
Manchester City face Plymouth Argyle, who shocked Liverpool, whilst Manchester United take on Fulham.
Arsenal's Premier League title bid suffered a huge blow as West Ham earned a shock 1-0 win over the 10-man Gunners
Bruno Fernandes inspired a Manchester United rally from two goals down to avoid another damaging defeat for Ruben Amorim in a 2-2 draw at Everton.
Manchester United were drawn Friday to play Real Sociedad of Spain in the last 16 of this season's Europa League, while Rangers will take on Jose Mourinho's Fenerbahce, and Tottenham Hotspur face AZ Alkmaar.
Tottenham won the battle of the Premier League's underachievers 1-0 on Sunday to inflict another dismal result on Manchester United boss Ruben Amorim.
A star Manchester United player has suffered ankle ligament damage, according to reports.
Harry Maguire headed a last-gasp winner as FA Cup holders Manchester United came from behind to beat Leicester 2-1 on Friday
Manchester United vs Leicester Live Streaming FA Cup Fourth Round: The Red Devils have already beaten the Foxes twice at home this season.
Ruud van Nistelrooy returns to Manchester United with his struggling Leicester this weekend, aiming to inflict more pain on his former club in the FA Cup
Cristiano Ronaldo left Real Madrid as their all-time leading scorer with 451 strikes in 438 competitive appearances.
David Beckham, Cristiano Ronaldo and now Marcus Rashford. Why Old Trafford's finest have had unceremonious exits?
Aston Villa signed Marcus Rashford on loan from Manchester United for the rest of the season on Sunday to end the England international's exile under Ruben Amorim at Old Trafford