Premier League leaders Arsenal will host Pep Guardiola's Manchester City on Wednesday in a huge game for the title race - but many fans will be puzzled by the date of the clash.
The highly-anticipated showdown will take place during same evening as the Champions League last-16 stage - the same day as rivals Chelsea take on Borussia Dortmund while Scott Parker's Club Brugge host Benfica.
The game was originally due to take place on Wednesday, October 19, but due to a fixture pile-up, the teams have been forced to fit the crucial game into their schedules in midweek.