Last season, Liverpool pushed City all the but Guardiola's men - who became the first team to reach 100 points in the Premier League during the 2017/18 season - produced some exhilarating football as they became the first side to retain the title since 2009, finishing on 98 points.
"We knew before the game that it would be a hard game against Manchester City", said shellshocked manager Manuel Pellegrini.
Sterling's tally could have been higher, but VAR correctly spotted that the forward's armpit was offside.More news: Nike Just Launched A Sneaker Club For Your Kids' Growing Feet
The England captain's two late goals mean he has now scored six goals in as many Premier League games against the Villains. "We need to improve in defence but I'm sure we have a good squad and we will have good results", he said. But that's normal. The first game, away, 12.30 kick-off, hot.
Jurgen Klopp's side, chasing a first English title since 1990, scored four times in the first half at Anfield to show their determination to end City's reign as champions. "After 3-0, the game was over", he commented.
"We are going to have to play with our hands chopped off in future".More news: Mu Jung Hur wins Ladies Scottish Open
Icelandic winger Johann Berg Gudmundsson added the third on a disappointing day for Ralph Hasenhuttl's side.
As well as suffering the joint-heaviest defeat of his brief managerial career to date, Lampard was dealt the biggest reversal by a Chelsea boss in their first game in charge since Danny Blanchflower oversaw a 7-2 loss at Middlesbrough in December 1978.
Chris Mepham put the Cherries in front just after the hour mark on the south coast, but Billy Sharp's strike two minutes from time salvaged a 1-1 draw for the Blades.
Not only did they win their respective games they scored 9 goals between them.More news: Tesla Model 3 Explodes After Moscow Motorway Crash
Manchester United's resounding Premier League win over Chelsea on Sunday was their biggest top-flight victory over the Blues in 54 years.