Arsene Wenger says Christian Fuchs threw the ball at Alexis Sanchez "on purpose" and should have been booked during Wednesday's game.
Secret payments made to players, their agents or third parties is the focus of a tax fraud investigation by British and French authorities.
Manchester United have won 63 points in the Premier League so far this season - but they've come at a price.
Wayne Rooney insists he has quality and experience in abundance to provide to Manchester United for the end of the season.
Pep Guardiola insists he is a better manager despite failing to win a trophy in his first season at Manchester City.
We asked Phil Thompson which Manchester side has underachieved more this season ahead of Thursday's derby, live on Sky Sports.
Paul Pogba's absence will place extra emphasis on Ander Herrera in the Manchester derby. Fortunately for Jose Mourinho, the Spanish midfielder has a habit of rising to the big occasion. We examine his growing influence at Manchester United.
The last time Manchester United and Manchester City played each other on a Thursday was 23 years ago in November 1994 - a memorable night for the red half of the city.