Sometimes the fixture list just throws up Sundays like this - ones where you can sit in front of the TV for the best part of eight hours watching bitter rivals clash in historic matches across Europe.
From London to Madrid, Manchester to Milan and Marseille, five huge games have been scheduled to take place on the same day, with only two kick-offs clashing, so football fans will be able to take in most of the action.
Here, Sportsmail guides you through Sunday's action...
Perhaps a gentle start in terms of the quality on show, but arguably the fiercest rivalry of the lot when it comes to the hatred between both sets of fans.