The footballing world was rocked last night as Manchester United were thrashed 4-0 by League One side MK Dons in the second round of the League Cup.
While journalists and supporters alike are still dissecting the clash, Twitter was awash with instant reaction.
Here, Sports Mole has picked out some of the best posts.
"Well.. What a win! Beat Man U 4-0 in the cup. The whole team was solid and what a turn out at stadium mk! #history #willneverforgetit"
MK Dons midfielder Dele Alli
"Well I wasn't expecting to see that performance. Barring a few it was literally men v boys from start to finish. Mk dons looked far sharper."
Former Manchester United defender Danny Higginbotham
"And therein lies the beautiful game. Well done MK Dons, more soul searching for the World's Biggest Football Club."
Former Liverpool striker Stan Collymore
"Well done MK Dons ... enjoy the night lads. Well deserved, you don't beat Man United every day."
Former Liverpool midfielder Dietmar Hamann
"Might turn up at United tomorrow for trials."
Former Arsenal midfielder Emmanuel Frimpong
"Hahahaha I bet Milton Keynes is buzzing tonight. MK Dons 4 - 0 Man U. Sorry but quite funny."
Golfer Ian Poulter
"Football is full of incredible moments... Really anything can happen during one football game ... That's why I love it!"
Chelsea goalkeeper Petr Cech
"Admire Van Gaal for giving youth a chance, but having not won a game yet and no European football this season should have gone stronger."
Former Liverpool centre-back Jamie Carragher
"Never ever seen a young utd team show what's on the tv now. This would be some serious hairdryer treatment."
Former Man United full-back Danny Simpson
"What defence?"
Former Man United attacker Norman Whiteside
"Man Utd squad players have to be viewed at being able to play at premiership level. If they can't they shouldn't be there. No excuses."
Former Man United winger Keith Gillespie
"Poor @ManUtd"
Former Everton midfielder Peter Reid
