Chelsea face Arsenal on Sunday, while Man United entertain Everton. All four clubs are balancing European priorities different to that of last season.
Cologne supporters dominate the Emirates, Jaime Carragher asks Sadio Mane about his red card and much more in the Sweeper.
Cologne have apologised for the crowd disturbances which overshadowed Thursday night's Europa League match at Arsenal.
Public safety should be paramount, but the hysteria about the breakdown in segregation has its roots in a different era. Football must evolve.
Match was delayed by an hour as thousands of visiting fans outside the stadium prevented Arsenal supporters from getting to the turnstiles.
Would English fans have been given a harder time if they had done what Cologne's did at Arsenal on Thursday night?