Portugal defender Ruben Dias has joined Manchester City from Benfica with Nicolas Otamendi travelling in the opposite direction.
Manchester City’s Premier League title defence is dead after their home derby defeat to a rejuvenated United.
Manchester City are now 14 points off the Premier League pace setters Liverpool after a 2-1 home defeat to rivals Manchester United in the Manchester derby.
Sergio Aguero marked his 350th appearance with his 242nd and 243rd goals to help ease Manchester City into the quarter finals of the Carabao Cup.
Goals by Nicolas Otamendi and Sergio Aguero (who scored a brace) as Manchester City beat Southampton to qualify for the quarter finals of the Carabao Cup.