Chelsea fans think Nicolas Jackson tried to make former Manchester City players Cole Palmer and Raheem Sterling celebrate in front of the away end during Sunday's 4-4 draw at Stamford Bridge.
It was a Premier League match for the ages in West London, which neither side deserved to lose.
Erling Haaland opened the scoring from the penalty spot before goals from Thiago Silva and Sterling put Chelsea in front.
Manuel Akanji equalised just before the break to bring a pulsating half to a close. Haaland then scored his second of the contest to put City ahead just after halftime.
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Jackson made it 3-3 midway through the second half, then Rodri looked to have won it for the visitors. Palmer stepped up in injury time to score his spot kick and ensure the points were shared.
It was Palmer's first game against City since making the switch to Chelsea in a £40 million deal on deadline day. He came through the City academy and was part of their treble-winning side last season.
Palmer left City in search of first-team football as he hopes to break into England manager Gareth Southgate's plans for Euro 2024.
Jackson was desperate for Palmer to rub his equaliser in, trying to pull him to the front of the Chelsea players. Earlier in the game, he did the same thing with Sterling, who didn't endear himself to the City faithful when leaving in 2022.
The 28-year-old was left 'fuming and raging' at how his Etihad career ended, growing frustrated at his lack of minutes.
He told Sky Sports: "Everyone wants to feel wanted, football is no different.
"When you play your heart out, sacrifice some of your kids' birthdays, and then get treated in a certain way, it's disappointing.
"Misunderstandings, contracts running down. It was a shame to see how it ended in the end because I had such a great time there.
"A lot of things came into play, a lot of reasons, but I wasn't complaining, I was ready to challenge and, as you can see, even with some of the performances I put in, you couldn't guarantee yourself a place so it just didn't make sense to fight a battle you can never win."
City are still top of the Premier League going into the international break, while Chelsea remain in 10th.
Topics: Chelsea, Manchester City, Cole Palmer, Raheem Sterling, Fan Reactions
Daniel Marland