The 37-year-old has been among the few bright sparks for United in an otherwise dreadful season under interim boss Ralf Rangnick.
Greenwood had been released in January on bail pending further investigations after he was arrested on suspicion of rape and assault of a woman.
Sixth-placed United are six points adrift of the top four and could miss out on European football completely next season.
Erik ten Hag will become Manchester United manager next season, tasked with turning around nearly a decade of decline.
Rangnick, 63, will be interim manager until the end of the season before taking up a consultancy role with the club for a further two years.
Three sides of the stadium have been expanded over the past three decades but the South Stand has remained a problem due to the proximity of a railway line.
Both the BBC and the Daily Mail claim the 52-year-old Ajax manager is seen as fitting the profile the United board want for the man who they hope will restore the glory days the club enjoyed under Alex Ferguson.
Fernandes has signed a new contract until June 2026 with an option to extend for a further year, the English side announced on Friday.
Manchester United will face rivals Liverpool as part of their pre-season tour to Thailand and Australia in July.
Victory lifts United back into fourth, although they are just two points ahead of Arsenal who have four games in hand.
Ragnick was appointed to see the English giants through to the end of the current campaign after the former United striker Ole Gunnar Solskjaer was sacked.
Whenever Atletico have looked close to rediscovering themselves, they have just as quickly drifted again off course.
Manchester United and Leeds United have had a fierce rivalry over the years.
Maguire has denied reports of a power struggle with Cristiano Ronaldo as the club battle to end the season in the Premier League's top four.
Ronaldo, without a goal since December and dropped to the bench by Rangnick in some recent matches, answered his critics five minutes after halftime with a superb finish
The 32-year-old is currently the Saudi Professional League's joint top scorer, with 12 goals alongside Al Nassr's Anderson Talisca.
It was Rashford's second goal in as many games here following a barren run of matches that saw him go 11 without scoring.
Manchester United moved into the top four of the Premier League with a last second goal from Marcus Rashford earning them a 1-0 win over West Ham United at Old Trafford.
Rangnick's deal is set to see him move into a consultancy role at Old Trafford after the end of the current campaign.
The German was appointed on Monday on a contract until the end of the season after the sacking of Ole Gunnar Solskjaer and will work in a consultancy role for a further two years.