Arsenal players have last laugh after Man Utd fans' brutal response to pre-match move
![Arsenal players have last laugh after Man Utd fans' brutal response to pre-match move](https://i2-prod.mirror.co.uk/incoming/article32792692.ece/ALTERNATES/s615/0_GettyImages-2152621182.jpg)
Manchester United fans had some fun at Arsenal's expense before Sunday's big match at Old Trafford - but they were no longer the ones laughing come the final whistle