The Premier League Key Match Incidents Panel has found that Cole Palmer should have been shown a straight red card against Tottenham.
Palmer was sent off in the London derby on October 24, but for two yellow cards following separate incidents of foul play.
Cole Palmer barges into Mateus Fernandes3
The Premier League Key Match Incidents Panel have admitted that Palmer should have been shown a straight red card for his barge into Fernandes
His first booking came after a clash with Spurs' Mateus Fernandes, who prevented him running clear with a handball.
Fernandes slid in and swiped the ball away from the Chelsea star's path with his arm, resulting in the latter losing his cool.
Palmer rushed straight over to Fernandes and barged into him as he stood back up, colliding into his face.
The England international was only shown a yellow card for that incident in the game that Spurs won 2-0.
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However, the Premier League's Key Match Incidents Panel have now admitted that the decision was an error.
And Palmer should have instead been shown a straight red before he did eventually go on to get sent off for a second yellow, which he received for a mis-timed challenge on Spurs midfielder Conor Gallagher.
Premier League panel admit error
The five-person panel deemed the on-field decision made by referee Chris Kavanagh at Stamford Bridge was incorrect.
Three of the panellists felt Palmer's action on Fernandes was violent conduct worthy of a straight red, stating there was 'clear contact to the head' and that his action was 'unnecessary, dangerous and made with excessive force'.
On the other hand, two of the panellists supported the on-field call as they viewed the action as aggressive with no excessive force.
As for the opinion on VAR's lack of intervention in the incident, all of the panellists supported the decision to not intervene and supported the referee’s call given that a yellow card was awarded on-field.
Cole Palmer is shown yellow card for Chelsea3
Palmer was only shown a yellow card on-field by referee Kavanagh after crashing into his Spurs rival in retaliation
Cole Palmer is sent off for Chelsea3
But the panel determined that he should have seen red earlier than he eventually did via a second yellow card later in the game
What other errors did the Premier League panel find?
It was also found that Aston Villa should have been awarded a penalty in their win over Manchester City last month.
Elliot Anderson brought down Johan Manzambi in the box, but nothing was awarded by the officials.
The Premier League Match Incidents Panel have since found that a spot-kick should have been given, as three of the five panellists felt Anderson made no attempt to win the ball.
Two panellists also felt that VAR should have intervened to give the penalty after it wasn't awarded on the pitch.
In total, over the weekend of the eighth round of the season, 30 big calls were made and 26 were deemed to be correct.
And across the season as a whole so far, the Premier League have said that 88 per cent of 162 incidents reviewed by the panel have been deemed to be correct.