'F*** me!': Graham Potter's baffled reaction to Kai Havertz's moment of madness as Chelsea star gives away a daft penalty for handball in FA Cup thrashing by Man City... as stunned fans liken his punch to Diego Maradona's Hand of God

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Graham Potter's incredible reaction to Kai Havertz's bizarre handball was caught on camera - with the Chelsea boss stunned by his striker's decision.

Upon seeing the handball, under-pressure manager Potter could be seen saying 'f*** me!' to his staff on the bench as he could not believe what he was witnessing. 

Chelsea were trailing 1-0 to Manchester City when the 23-year-old was taken over by a moment of madness and decided to punch a cross away. The Blues went on to lose 4-0 against Pep Guardiola's side at the Etihad.

Kai Havertz gave away a blatant penalty - punching the ball away from a Manchester City cross

Julian Alvarez converted the penalty for Manchester City to put his side 2-0 up in the tie, before Phil Foden made it 3-0 before half-time and Mahrez netted a penalty late on.

As a result of the scoreline and Havertz's baffling decision, the Chelsea striker was then dragged off at half-time by Potter.

One fan noticed that Potter shared his exact thoughts when he was captured reacting on the bench, tweeting: 'Haha. Say what you think Potter.' 

'Say what you think Potter': This fan found Graham Potter's reaction to the handball funny

Fans on social media seem to share Potter's bemusement and took to Twitter to express their confusion. 

One fan thinks the 23-year-old was confused about what sport he was playing and said: 'Havertz this isn't volleyball my guy.' 

Another compared Havertz's handball to Diego Maradona's famous Hand of God, saying: 'Havertz thinks he's Maradona doing up a blatant handball like that.'

These fans took to social media to express their confusion about the Havertz handball

One Chelsea fan also wants the forward to replace Kepa in goal for the Blues and said: 'Stick Havertz in goal I've never seen Kepa punch the ball away as commandingly as that before.'

With another adding that the Germany international's handball was 'incredible goalkeeping'.

The handball seems to have baffled fans all over, with one fan wondering what was going through Havertz's head, saying: 'Havertz with the dumbest handball i have seen in years, why do it?'

This fan wants Havertz to replace Chelsea's current 'keeper Kepa in goal for the Blues

'Why do it?': This user was baffled about Havertz's decision to punch the ball away for his side

The Chelsea striker's punch took the ball away from the onrushing Aymeric Laporte's head