Sergio Aguero scored his second hat-trick in as many home games whilst Raheem Sterling and Ilkay Gundogan also got in on the act, landing an 80/1 (81.0) correct score selection at bet365.
That victory moved City back to the top of the table on goal difference, which could be an all-important factor in deciding the title and Sunday’s win moved them onto +55 for the season – 10 ahead of Liverpool.
bet365 make it an 8/1 (9.0) shot that the Premier League is settled on that basis with the two leading contenders both sitting on 65 points, albeit Liverpool have a game in hand.
With the 11th Premier League treble of his career, Aguero has equalled the record set by Alan Shearer and means he has now scored a hat-trick in his last three home games in the month February.
The Argentine scored three last weekend as City blew past Arsenal 3-1, and he netted four times against Leicester in his last home league game of February 2018.
His red-hot form has seen Aguero score eight goals this calendar year, double that of any other player in the competition and more than 11 other Premier League clubs have managed - including Chelsea (seven).
Meanwhile, Sunday’s drubbing was Chelsea’s heaviest defeat in any competition since losing 7-0 to Nottingham Forest in a top-flight match in April 1991.
They have also conceded four goals in consecutive away top-flight matches for the first time since December 1990, having lost 4-0 at Bournemouth just two weeks ago.
As a result of losing three of their last four games, along with the resurgence of Manchester United, Chelsea have now fallen to sixth in the table and are in real danger of missing out on the Champions League next term.
Only seven teams have picked up fewer than the seven points the Blues have managed this calendar year – a far cry from the 15 out of a possible 18 that Pep Guardiola’s men have won.