Under the guidance of interim manager Ruud van Nistelrooy, United finally achieved a breakthrough in the competition, following three consecutive draws under former manager Erik ten Hag.
Reflecting on the resounding win over City, Amorim admitted that this performance was "a dream way" to sign off. Yet, he emphasised that his approach at United would differ significantly.
United swiftly appointed Sporting Lisbon manager Ruben Amorim as his successor.
However, Manchester United, eager for an immediate replacement for the recently dismissed Erik ten Hag, issued an ultimatum: accept the job now or lose the opportunity. After careful consideration, Amorim ultimately chose to make the move.
Goals from Timo Werner and Pape Matar Sarr put the hosts in control in Round Four encounter in the capital.
Manchester United legend David Beckham was among the guests at a star-studded F1 Grand Prix in Miami, where he was asked about his former club's current situation.
Bruno Fernandes, Cristiano Ronaldo and Raphael Varane were the goalscorers to give United their biggest win under Ralf Rangnick. The last match for United at the Theatre of Dreams for this campaign saw a first-half goal from Bruno Fernandes after just nine minutes.
The representatives of the Austrian association seemed flooded in pride when announcing on Friday evening the signing of the 63-year-old coach, who so far took care of the sporting destinies of Cristiano Ronaldo and Manchester United.
Leading scorer Cristiano Ronaldo took his tally for the season to 23 with a typically brilliant strike in the 1-1 draw with Chelsea and signed a two-year contract when rejoining the club last summer.
The single point leaves Manchester United three points behind Spurs and five points behind Arsenal, despite having played two more games.
