The Red Devils had stalled against West Bromwich Albion earlier in the week and both manager Louis van Gaal and the majority of his players had called for a big performance before the game.
Most football fans would share the opinion that if you cannot get yourself riled up for a game against the Premier League leaders and title favourites and step it up a gear, you have no business being at a club like United.
Luckily for the Red Devils, their star players showed up on the day and certainly showed us a thing or two.
With that in mind, click on Louis van Gaal to unveil the five things United taught us this weekend.
Manchester United fans. Do you think that you will finish in the top four? Can Old Trafford become a fortress again? Let us know your thoughts below or tweet us @LaFootyettes.