Manchester City hit top form as they beat Chelsea with a first half trio of goals by Ilkay Gundogan, Phil Foden, and Kevin De Bruyne.
Edinson Cavani made his debut for Manchester United but the Reds were held at home by Chelsea in a drab goalless draw.
Manchester City relinquished the Premier League title to Liverpool without the Merseysiders having to kick a ball after they were beaten at Chelsea on a sultry night in London.
Goals by Anthony Martial and Harry Maguire saw Manchester United complete a rare double over Chelsea in the Premier League after VAR controversy.
Manchester City beat Chelsea 2-1 with goals by N’Golo Kante, Kevin De Bruyne, and Riyad Mahrez but Raheem Sterling had a 93rd minute goal ruled out for offside in more VAR drama.