With scores level and both teams chasing a win, Mourinho sent in Marouane Fellaini for the final 20 minutes of the game in hope to have his usual physical presence in attacking positions in an around Arsenal's box.
Well, Fellaini did make his presence fell in the most craziest and insane of ways. In one of his tackles, Fellaini, who recently chopped off his afro, caught hold of Matteo Guendouzi's hair, stopping the player in his tracks in what was a pretty unbelievable moment.
Astonishingly, he escaped any punishment from Andre Marriner. But, the incident definitely did not miss the eyes of fans on social media. Here are the best tweets reacting to this incident.
Marouane Fellaini waits until he cuts his hair to start pulling the hair of others...— James Tyler FC (@JamesTylerESPN) December 5, 2018
"Marouane Fellaini can only stop 19 year old midfielder by pulling him back by the hair in game otherwise marred by 6 yellow cards and 2 injuries" is the perfect description of Jose Mourinho's brand of football at Man United #MUNARS— Paul Fischer (@tencents77) December 5, 2018
I'm now giggling uncontrollably at the image of Guen's hair being a wig, coming clean off in Fellaini's hand, and it being the first time everyone on the pitch and in the stands realizes the Sideshow Bob is not real— Paul Fischer (@tencents77) December 5, 2018
fellaini cut his hair now he's jealous of guendouzi's flowing locks, you hate to see it— A West (@ayyy_west) December 5, 2018
Fellaini is Mourinho’s iPad.— Adam Peacock (@adampeacock3) December 5, 2018
Much better ways to parent but it’s just so damn convenient.
Marouane Fellaini-Guendouzi gate brought back memories. When Robert Huth Fellaini’s hair, the gift Louis van Gaal delivered: “Only in sex masochism it is allowed.” #mufc #afc pic.twitter.com/hfL3ez4nKh— Kristof Terreur 📰🎥 (@HLNinEngeland) December 6, 2018
Fellaini fouling Guendouzi by pulling his hair is the most awkward thing you’ll see today. Suspension needed pic.twitter.com/BjbXTNFftf— Lacazettes (@Lacazettes) December 5, 2018
There will be no retrospective action against Manchester United's Marouane Fellaini after pulling the hair of Arsenal's Matteo Guendouzi during Wednesday's Premier League match as referee Andre Marriner gave a free-kick for the incident.— Jason Burt (@JBurtTelegraph) December 6, 2018
Fellaini to Matteo Guendouzi's 😳— 👑SOMETHING LITE🇳🇬 (@ollygodspower) December 5, 2018
Come back here you foul, I need my hair back😂😂😂 pic.twitter.com/g3IipnixsU
Just Marouane Fellaini fouling Mattéo Guendouzi by pulling his hair.— BT Sport Score (@btsportscore) December 6, 2018
Nothing to see here... pic.twitter.com/NOO4RWJTkK
🔴 Adrian: "Fellaini pulls Guendouzi's hair! That's a red isn't it?"— talkSPORT (@talkSPORT) December 6, 2018
🤷♂️ Alan: "It's like pulling a shirt."
🤕 Adrian: "But it hurts..."
🤬 Alan: "Oh get lost!"
Al and @AdrianJClarke clash over Fellaini's underhand tactics.
Should Fellaini have seen red? 🤔 pic.twitter.com/fi1rlXLbs3
Fellaini busy trying to get his hair back than win the game...oh Guendouzi ..😢😢 pic.twitter.com/qglflQgpVI— denis1dega (@DWandega) December 6, 2018
Guendouzi should have done this to that c#nt Fellaini pic.twitter.com/v7zIgNMfFP— ..... 💥👊 (@afcufcfan) December 5, 2018
If Fellaini can’t have an Afro then neither can Guendouzi 🤣— Envy a Scene EP (@supreme_envy) December 6, 2018
Marouane Fellaini pulling Matteo Guendouzi’s hair is one of the most iconic moments of the season.— FootballJOE (@FootballJOE) December 5, 2018
Hahahaha pulling Guendouzi's hair is such peak Fellaini shithousery— Azeem Banatwalla (@TheBanat) December 5, 2018
Seriously Fellaini, shocking behaviour, hardly Guendouzi's fault you have hair envy. pic.twitter.com/t9DYkAAMsf— Sam Burkin (@SamBurkin) December 5, 2018
How's Fellaini to pull Guendouzi hair🤣 Mahns is having regrets about his haircut— Naashid Hassan (@Naash015) December 5, 2018
Does fellaini think he's in some high school teenage girl catfight pulling Guendouzi's hair— ariff (@ariffhussain_) December 5, 2018