Manchester City moved five points clear at the top of the Premier League despite having Rodri sent-off in a fiery 2-0 win over Nottingham Forest on Saturday, while Manchester United snapped their losing streak by beating Burnley 1-0.
Phil Foden and Erling Haaland struck inside the first 15 minutes as City extended their perfect start in the Premier League to six games.
Pep Guardiola's men have now won 20 consecutive home matches in all competitions, but were made to work much harder by Rodri's moment of madness.
The Spaniard grabbed Morgan Gibbs-White around the neck less than 60 seconds into the second-half and could face a costly suspension as a three-game ban would see him miss the Premier League visit to Arsenal next month.
Meanwhile, United remain nine points adrift of the leaders, but eased the pressure on Erik ten Hag after three consecutive defeats.
One moment of world class quality from Bruno Fernandes got the Red Devils back to winning ways as the Portuguese volleyed home Jonny Evans' pass just before half-time.
The Red Devils had to survive a few nervy moments at Turf Moor as Zeki Amdouni hit the post in the first-half, but the Clarets remain without a win on their return to the Premier League.
Luton picked up their first ever Premier League point but let a huge opportunity slip in a 1-1 draw at home to Wolves.
Crystal Palace and Fulham remain in the top half after a 0-0 draw at Selhurst Park.
Struggling Everton beat Brentford 3-1 to earn their first league win this term and climb out of the relegation zone.