It's always a big occasion whenever Chelsea and Manchester United lock horns, but the build-up to Sunday's showdown revolved solely around Jose Mourinho and his return to the club he was sacked by last December.
Mourinho has long been renowned for his defensive expertise in setting up his teams to avoid defeat, but Pedro's goal after 31 seconds ensured United's game plan was out of the window before the visitors could even touch the ball.
Pedro scores after just 30 seconds vs. Man United.— Squawka Football (@Squawka) October 23, 2016
That's the fastest goal in the Premier League this season. Welcome back, Jose. pic.twitter.com/lBiQfwZfbW
Chelsea went on to win the game 4-0, with goals from Gary Cahill, Eden Hazard and N'Golo Kante condemning Mourinho to his worst league defeat since 2010.
The graph below, created using Blurrt data, shows just how much of a contrast there was in the mood between both sets of fans on Sunday afternoon, with United supporters left with nothing to smile about over the course of the 90 minutes.
Jose Mourinho was always going to be the talk of this game, but the way the match panned out meant he was Tweeted about almost 86,000 times during Sunday's game, compared to just 3,623 for Antonio Conte, so at least the United boss can celebrate one very small victory over his counterpart.
Chelsea fans inside Stamford Bridge could be heard ironically chanting the Portuguese manager's name with the score at 4-0 in the second half. The data below highlights that the majority of Blues fans were pleased with how the afternoon turned out for their former manager.
Although 17% of Chelsea supporters couldn't help but feel sad for their once great coach who guided them to three Premier League titles over the course of his two separate reigns.
On the other hand, United fans were left seething with their manager following the humiliating result, with very little positivity on show for Mourinho from Red Devils fans.
United's next match sees them host local rivals Manchester City in the EFL Cup on Wednesday night, while Chelsea have their own rivals to clash with in the same competition on Wednesday, with a trip to West Ham sure to provide drama.