Man United earned a hard fought 2-1 victory over Enzo Maresca’s side on Saturday, marking the first time Amorim has won two consecutive home Premier League games since taking over.
Chelsea ‘keeper Robert Sanchez saw red after just five minutes thanks to a rash challenge on Bryan Mbeumo.
Bruno Fernandes opened the scoring shortly after, with Casemiro doubling their lead just before receiving a second yellow in added time of the first half.
Trevoh Chalobah scored in the final ten minutes to make it a little tense for United, but they held on to secure a much-needed win in the torrential rain.
Amorim, who has established a strong relationship with the fans despite the poor results, stayed late into the evening to show his appreciation to the fans.
United will be hoping this win is the start of their turn around as they travel to Brentford for their next Premier League game on Saturday (September 27).