Football fans are often guilty of getting swept up in the occasion and letting themselves get carried away.
That’s what happened during a clash between West Ham and Tottenham back in 2014.
A pitch invader halted the game when he ran on to take a free-kick
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A pitch invader halted the game when he ran on to take a free-kickCredit: Getty
The two teams will meet at the London Stadium on Saturday afternoon, with hopefully everyone being on their best behaviour.
However, this supporter, who had downed several pints before the game, ran onto the field and bizarrely took a free-kick.
The West Ham and Spurs players stood there in disbelief as the man was chased by stewards before being apprehended.
The free-kick in question was even on target, but easily saved by the Hammers goalkeeper.
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District Judge Gareth Branston fined the West Ham supporter £305 and did see the funny side by adding a few quips at his expense.
The judge said: "You had consumed alcohol and your stride pattern was a bit out of kilter, but to borrow a phrase you did bend it like Beckham.
The judge then referred to Christian Eriksen's subsequent free kick from the same spot and said: "I understand that the professional footballer who followed you did not do any better."
Asked what was going through his mind, he said: "Nothing really - it was just a moment of madness. It was a spur of the moment thing. I just went."
The judge said he had seen footage of the incident on YouTube and asked: "Were you intending to take the free kick?"
The fan replied: "No. All I was going to do was run and as I was running I just saw the ball there so I thought I would just kick it."
The judge made a dig at Eriksen while fining the Hammers fan
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The judge made a dig at Eriksen while fining the Hammers fanCredit: Getty
When asked if his mother had disapproved of the incident, he added: “At first she was concerned because she didn't know the consequences, but when she saw the YouTube video she saw the funny side but she has had a go at me, as a mother would."
Tottenham did end up winning that game at Upton Park with a last minute Eric Dier goal, after a player had been sent off from either team.
West Ham vs Tottenham news
It is a blockbuster Premier League London derby immediately after the international break with two teams in very different positions.
The 5:30pm kick-off sees a struggling West Ham team under Graham Potter, who had a disappointing transfer window where they lost some of their key players.
One of those was Mohammed Kudus to Tottenham and he has been flying in his start to life in north London.
There’s plenty of positivity for Spurs following their Europa League win last season and Thomas Frank in the dugout.
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Kudus will return to West Ham for the first time since joining Tottenham
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Kudus will return to West Ham for the first time since joining TottenhamCredit: Getty
They sit fourth in the Premier League and have already beaten Man City, but had a disappointing 1-0 defeat to Bournemouth right before the international break.
The form book can go out the window in games like this, though, and is set to be an enthralling showdown.